Moved license file

Added license information
Update README.md
2021-10-23 14:54:34 +02:00 · 2021-10-23 14:52:43 +02:00 · 2021-09-19 18:34:02 +02:00 · 2021-09-19 11:57:58 +02:00 · 2021-09-18 13:51:10 +02:00 · 2021-09-17 17:35:56 +02:00
123 changed files with 3450 additions and 1964 deletions
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -0,0 +1,37 @@
+name: Java Maven Build
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout source
+      uses: actions/checkout@v2
+
+    - name: Show versions
+      run: ./mvnw -version
+
+    - name: Set up JDK 11
+      uses: actions/setup-java@v2
+      with:
+        java-version: '11'
+        distribution: 'zulu'
+        cache: maven
+
+    - name: Cache Maven packages
+      uses: actions/cache@v1
+      with:
+        path: ~/.m2
+        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
+        restore-keys: ${{ runner.os }}-m2
+
+    - name: Build with Maven
+      run: ./mvnw clean verify -U -B --file pom.xml
+
--- a/.gitignore
+++ b/.gitignore
@@ -2,5 +2,6 @@
 !.gitignore
 !.gitkeep
 !.mvn
+!.github
 target
 *.log
--- a/.mvn/wrapper/MavenWrapperDownloader.java
+++ b/.mvn/wrapper/MavenWrapperDownloader.java
@@ -1,38 +1,31 @@
 /*
-Licensed to the Apache Software Foundation (ASF) under one
-or more contributor license agreements.  See the NOTICE file
-distributed with this work for additional information
-regarding copyright ownership.  The ASF licenses this file
-to you under the Apache License, Version 2.0 (the
-"License"); you may not use this file except in compliance
-with the License.  You may obtain a copy of the License at
-
-  https://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing,
-software distributed under the License is distributed on an
-"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-KIND, either express or implied.  See the License for the
-specific language governing permissions and limitations
-under the License.
-*/
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.net.URL;
-import java.nio.channels.Channels;
-import java.nio.channels.ReadableByteChannel;
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
 import java.util.Properties;

 public class MavenWrapperDownloader {

+    private static final String WRAPPER_VERSION = "0.5.6";
    /**
     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
     */
-    private static final String DEFAULT_DOWNLOAD_URL =
-            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";

    /**
     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
@@ -80,13 +73,13 @@ public class MavenWrapperDownloader {
                }
            }
        }
-        System.out.println("- Downloading from: : " + url);
+        System.out.println("- Downloading from: " + url);

        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
        if(!outputFile.getParentFile().exists()) {
            if(!outputFile.getParentFile().mkdirs()) {
                System.out.println(
-                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
            }
        }
        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
@@ -102,6 +95,16 @@ public class MavenWrapperDownloader {
    }

    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
        URL website = new URL(urlString);
        ReadableByteChannel rbc;
        rbc = Channels.newChannel(website.openStream());
--- a/.mvn/wrapper/maven-wrapper.jar
+++ b/.mvn/wrapper/maven-wrapper.jar
--- a/.mvn/wrapper/maven-wrapper.properties
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -1 +1,2 @@
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -0,0 +1,201 @@
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+
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--- a/README.md
+++ b/README.md
@@ -1,5 +1,9 @@
 # ddd-cqrs-4-java-example
-Example applications and microservices that use [ddd-4-java](https://github.com/fuinorg/ddd-4-java) and [cqrs-4-java](https://github.com/fuinorg/cqrs-4-java) libraries and an [EventStore](https://eventstore.org/) to store the events (Event Sourcing).
+Example Java DDD/CQRS/Event Sourcing microservices with [Quarkus](https://quarkus.io/), [Spring Boot](https://spring.io/projects/spring-boot/) and the [EventStore](https://eventstore.org/) from Greg Young. The code uses the lightweight [ddd-4-java](https://github.com/fuinorg/ddd-4-java) and [cqrs-4-java](https://github.com/fuinorg/cqrs-4-java) libaries. No special framework is used except the well known JEE/Spring standards.
+
+[![Java Development Kit 11](https://img.shields.io/badge/JDK-11-green.svg)](https://openjdk.java.net/projects/jdk/11/)
+[![Apache](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
+[![Build Status](https://github.com/fuinorg/ddd-cqrs-4-java-example/actions/workflows/maven.yml/badge.svg)](https://github.com/fuinorg/ddd-cqrs-4-java-example/actions/workflows/maven.yml)

 ## Background
 This application shows how to implement [DDD](https://en.wikipedia.org/wiki/Domain-driven_design), [CQRS](https://en.wikipedia.org/wiki/Command%E2%80%93query_separation) and [Event Sourcing](https://martinfowler.com/eaaDev/EventSourcing.html) without a DDD/CQRS framework. It uses just a few small libraries in addition to  standard web application frameworks like [Quarkus](https://quarkus.io/) and [Spring Boot](https://spring.io/projects/spring-boot/).
@@ -15,14 +19,13 @@ Here is an overview of how such an application looks like:
 ## Components
 - **[Shared](shared)** - Common code for all demo applications (commands, events, value objects and utilities).
 - **[Aggregates](aggregates)** - DDD related code for all demo applications (aggregates, entities and business exceptions).
- **[Quarkus](quarkus)** - Two microservices (Command & Query) based on [Quarkus](https://quarkus.io/).
+- **[Quarkus](quarkus)** - Two microservices (Command & Query) based on [Quarkus](https://quarkus.io/) that is the [successor of Wildfly Swarm/Thorntail](https://thorntail.io/posts/thorntail-community-announcement-on-quarkus/) and has CDI, JAX-RS and [SmallRye](https://smallrye.io/) ([Eclipse MicroProfile](http://microprofile.io/)).
 - **[Spring Boot](spring-boot)** - Two microservices (Command & Query) based on [Spring Boot](https://spring.io/projects/spring-boot/).
 - **[Java SE + CDI](java-se-cdi)** - Two standalone applications (Command & Query) using CDI for dependency injection.

 ## Getting started

 ### Prerequisites
-#### Install everything yourself (Option 1) 
 Make sure you have the following tools installed/configured:
 * [git](https://git-scm.com/) (VCS)
 * [Docker CE](https://docs.docker.com/engine/installation/linux/docker-ce/ubuntu/)
@@ -30,85 +33,102 @@ Make sure you have the following tools installed/configured:
 * *OPTIONAL* [GraalVM](https://www.graalvm.org/)
 * Hostname should be set in /etc/hosts (See [Find and Change Your Hostname in Ubuntu](https://helpdeskgeek.com/linux-tips/find-and-change-your-hostname-in-ubuntu/) for more information)

-#### Use lubuntu-developer-vm (Option 2)
-The **[lubuntu-developer-vm](https://github.com/fuinorg/lubuntu-developer-vm)** has already (almost) everything installed. You only need to  execute the following steps:
-1. Download and install the [lubuntu-developer-vm](https://github.com/fuinorg/lubuntu-developer-vm) as described
-2. OPTIONAL: Change memory of VM to 6 GB (instead of 4 GB default) if you want to create a native image with GraalVM 
-3. Start the VM and login (developer / developer)
-4. Open a console (Shortcut = ctrl alt t)
-5. Run a script that finalizes the setup of the developer virtual machine
-   ```
-   bash <(curl \
-   -s https://raw.githubusercontent.com/fuinorg/ddd-cqrs-4-java-example/master/setup-lubuntu-developer-vm.sh)   
-   ```
-6. Reboot
-   ```
-   reboot
-   ```
-
 ### Clone and install project 
-1. Open a console (Ubuntu shortcut = ctrl alt t)
-2. Clone the git repository
+1. Clone the git repository
   ```
   git clone https://github.com/fuinorg/ddd-cqrs-4-java-example.git
   ```
-3. Change into the project's directory and run a Maven build
+2. Change into the project's directory and run a Maven build
   ```
   cd ddd-cqrs-4-java-example
   ./mvnw install
   ```
   Be patient - This may take a while (~5 minutes) as all dependencies and some Docker images must be downloaded and also some integration tests will be executed.
   
-### Start Event Store and Maria DB
-1. Open a console (Ubuntu shortcut = ctrl alt t)
-2. Change into the project's directory and run Docker Compose
-   ```
-   cd ddd-cqrs-4-java-example
-   docker-compose up
-   ```
+### Start Event Store and Maria DB (Console window 1)
+Change into the project's directory and run Docker Compose
+```
+cd ddd-cqrs-4-java-example
+docker-compose up
+```

 ### Start command / query implementations
-Start one command microservice and one query microservice - You can mix Quarkus & Spring Boot!  
+Start one query service and then one command service.
+You can mix Quarkus & Spring Boot if you want to!

 #### Quarkus Microservices
-| Module        |       |
-| :------------ | :---- |
-| **[Command](quarkus/command)** | [![Overview](https://raw.github.com/fuinorg/ddd-cqrs-4-java-example/master/quarkus/command/doc/cdi-command-small.png)](quarkus/command) |
-| **[Query](quarkus/query)** | [![Overview](https://raw.github.com/fuinorg/ddd-cqrs-4-java-example/master/quarkus/query/doc/cdi-view-small.png)](quarkus/query) |
-  
+
+##### Quarkus Query Service (Console window 2)
+1. Start the Quarkus query service:
+   ```
+   cd ddd-cqrs-4-java-example/quarkus/query
+   ./mvnw quarkus:dev
+   ```
+2. Opening [http://localhost:8080/](http://localhost:8080/) should show the query welcome page
+
+For more details see [quarkus/query](quarkus/query).
+
+##### Quarkus Command Service (Console window 3)
+1. Start the Quarkus command service:   
+   ```
+   cd ddd-cqrs-4-java-example/quarkus/command
+   ./mvnw quarkus:dev
+   ```
+2. Opening [http://localhost:8081/](http://localhost:8081/) should show the command welcome page
+
+For more details see [quarkus/command](quarkus/command).
+
 #### Spring Boot Microservices
-| Module        |       |
-| :------------ | :---- |
-| **[Command](spring-boot/command)** | [![Overview](https://raw.github.com/fuinorg/ddd-cqrs-4-java-example/master/spring-boot/command/doc/spring-command-small.png)](spring-boot/command)  |
-| **[Query](spring-boot/query)** | [![Overview](https://raw.github.com/fuinorg/ddd-cqrs-4-java-example/master/spring-boot/query/doc/spring-view-small.png)](spring-boot/query)  |

+##### Spring Boot Query Service (Console window 2)
+1. Start the Spring Boot query service:   
+   ```
+   cd ddd-cqrs-4-java-example/spring-boot/query
+   ./mvnw spring-boot:run
+   ```
+2. Opening [http://localhost:8080/](http://localhost:8080/) should show the query welcome page

-### Test
+For more details see [spring-boot/query](spring-boot/query).
+
+##### Spring Boot Command Service (Console window 3)
+1. Start the Spring Boot command service:   
+   ```
+   cd ddd-cqrs-4-java-example/spring-boot/command
+   ./mvnw spring-boot:run
+   ```
+2. Opening [http://localhost:8081/](http://localhost:8081/) should show the command welcome page
+
+For more details see [spring-boot/command](spring-boot/command).
+
+### Verify projection and query data
 1. Open [http://localhost:2113/](http://localhost:2113/) to access the event store UI (User: admin / Password: changeit)
   You should see a projection named "qry-person-stream" when you click on "Projections" in the top menu.
 2. Opening [http://localhost:8080/persons](http://localhost:8080/persons) should show an empty JSON array
-3. Open a console (Ubuntu shortcut = ctrl alt t)
-4. Change into the demo directory and execute a command using cURL (See [shell script](demo/create-person-command.sh) and [command](demo/create-person-command.json)) 
-   ```
-   cd ddd-cqrs-4-java-example/demo
-   ./create-person-command.sh
-   ```   
-   Command console should show something like
-   ```
-   Update aggregate: id=PERSON 84565d62-115e-4502-b7c9-38ad69c64b05, version=-1, nextVersion=0
-   ```   
-   Query console should show something like
-   ```
-   PersonCreatedEventHandler ... Handle PersonCreatedEvent: Person 'Peter Parker' was created
-   ```    
-4. Refreshing [http://localhost:8080/persons](http://localhost:8080/persons) should show
+
+### Execute a test command (Console window 4)
+Change into the demo directory and execute a command using cURL (See [shell script](demo/create-person-command.sh) and [command](demo/create-person-command.json)) 
+```
+cd ddd-cqrs-4-java-example/demo
+./create-person-command.sh
+```   
+Command service (Console window 3) should show something like
+```
+Update aggregate: id=PERSON 84565d62-115e-4502-b7c9-38ad69c64b05, version=-1, nextVersion=0
+```   
+Query service (Console window 2) should show something like
+```
+PersonCreatedEventHandler ... Handle PersonCreatedEvent: Person 'Peter Parker' was created
+```    
+
+### Verify the query data was updated
+1. Refreshing [http://localhost:8080/persons](http://localhost:8080/persons) should show
    ```json
    [{"id":"84565d62-115e-4502-b7c9-38ad69c64b05","name":"Peter Parker"}]
    ```
-5. Opening [http://localhost:8080/persons/84565d62-115e-4502-b7c9-38ad69c64b05](http://localhost:8080/persons/84565d62-115e-4502-b7c9-38ad69c64b05) should show
+2. Opening [http://localhost:8080/persons/84565d62-115e-4502-b7c9-38ad69c64b05](http://localhost:8080/persons/84565d62-115e-4502-b7c9-38ad69c64b05) should show
    ```json
    {"id":"84565d62-115e-4502-b7c9-38ad69c64b05","name":"Peter Parker"}
-6. The event sourced data of the person aggregate could be found in a stream named [PERSON-84565d62-115e-4502-b7c9-38ad69c64b05](http://localhost:2113/web/index.html#/streams/PERSON-84565d62-115e-4502-b7c9-38ad69c64b05)
+3. The event sourced data of the person aggregate could be found in a stream named [PERSON-84565d62-115e-4502-b7c9-38ad69c64b05](http://localhost:2113/web/index.html#/streams/PERSON-84565d62-115e-4502-b7c9-38ad69c64b05)


 ### Stop Event Store and Maria DB and clean up
--- a/aggregates/pom.xml
+++ b/aggregates/pom.xml
@@ -4,20 +4,18 @@
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

-    <groupId>org.fuin.cqrs4j.example</groupId>
+	<parent>
+		<groupId>org.fuin.cqrs4j.example</groupId>
+		<artifactId>cqrs4j-example-root</artifactId>
+		<version>0.2.0-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
+	</parent>
+
    <artifactId>cqrs4j-example-aggregates</artifactId>
-    <version>0.1.0</version>
+
    <name>cqrs4j-example-aggregates</name>
    <description>DDD related code for all demo applications (aggregates, entities and business exceptions)</description>

-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-        <java.version>1.8</java.version>
-        <esc.version>0.3.1</esc.version>
-    </properties>
-
    <dependencies>

        <!-- Compile -->
@@ -25,37 +23,32 @@
        <dependency>
            <groupId>org.fuin.cqrs4j.example</groupId>
            <artifactId>cqrs4j-example-shared</artifactId>
-            <version>0.1.0</version>
+            <version>0.2.0-SNAPSHOT</version>
        </dependency>

        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>ddd-4-java</artifactId>
-            <version>0.2.1</version>
        </dependency>

        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>cqrs-4-java</artifactId>
-            <version>0.2.1</version>
        </dependency>

        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>objects4j</artifactId>
-            <version>0.6.9</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
-            <version>1.7.25</version>
        </dependency>

        <dependency>
            <groupId>org.glassfish</groupId>
-            <artifactId>javax.json</artifactId>
-            <version>1.1.4</version>
+            <artifactId>jakarta.json</artifactId>
        </dependency>

        <!-- Test -->
@@ -63,79 +56,123 @@
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
-            <version>4.12</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.assertj</groupId>
            <artifactId>assertj-core</artifactId>
-            <version>3.10.0</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>units4j</artifactId>
-            <version>0.8.4</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>nl.jqno.equalsverifier</groupId>
            <artifactId>equalsverifier</artifactId>
-            <version>2.4.6</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
-            <version>2.6</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.eclipse</groupId>
            <artifactId>yasson</artifactId>
-            <version>1.0.3</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.hibernate.validator</groupId>
            <artifactId>hibernate-validator</artifactId>
-            <version>6.0.10.Final</version>
            <scope>test</scope>
-            <exclusions>
-                <exclusion>
-                    <artifactId>jaxb-impl</artifactId>
-                    <groupId>com.sun.xml.bind</groupId>
-                </exclusion>
-                <exclusion>
-                    <artifactId>jaxb-api</artifactId>
-                    <groupId>javax.xml.bind</groupId>
-                </exclusion>
-            </exclusions>
        </dependency>

    </dependencies>

-    <repositories>
+	<build>

-        <repository>
-            <id>sonatype.oss.snapshots</id>
-            <name>Sonatype OSS Snapshot Repository</name>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-            <releases>
-                <enabled>false</enabled>
-            </releases>
-            <snapshots>
-                <updatePolicy>always</updatePolicy>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
+		<plugins>

-    </repositories>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-source-plugin</artifactId>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-javadoc-plugin</artifactId>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jar-plugin</artifactId>
+				<configuration>
+					<includes>
+						<include>**/*</include>
+					</includes>
+					<archive>
+						<manifestEntries>
+							<Automatic-Module-Name>org.fuin.cqrs4j.example.shared</Automatic-Module-Name>
+						</manifestEntries>
+					</archive>
+				</configuration>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jdeps-plugin</artifactId>
+			</plugin>
+
+		</plugins>
+
+		<pluginManagement>
+			
+			<plugins>
+			
+				<!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->
+				<plugin>
+					<groupId>org.eclipse.m2e</groupId>
+					<artifactId>lifecycle-mapping</artifactId>
+					<version>1.0.0</version>
+					<configuration>
+						<lifecycleMappingMetadata>
+							<pluginExecutions>
+								<pluginExecution>
+									<pluginExecutionFilter>
+										<groupId>org.apache.maven.plugins</groupId>
+										<artifactId>maven-jdeps-plugin</artifactId>
+										<versionRange>[3.1.2,)</versionRange>
+										<goals>
+											<goal>jdkinternals</goal>
+											<goal>test-jdkinternals</goal>
+										</goals>
+									</pluginExecutionFilter>
+									<action>
+										<ignore />
+									</action>
+								</pluginExecution>
+							</pluginExecutions>
+						</lifecycleMappingMetadata>
+					</configuration>
+				</plugin>
+
+			</plugins>
+			
+		</pluginManagement>
+
+	</build>

 </project>
--- a/aggregates/src/main/java/org/fuin/cqrs4j/example/aggregates/DuplicatePersonNameException.java
+++ b/aggregates/src/main/java/org/fuin/cqrs4j/example/aggregates/DuplicatePersonNameException.java
@@ -18,7 +18,6 @@ import org.fuin.cqrs4j.example.shared.PersonId;
 import org.fuin.cqrs4j.example.shared.PersonName;
 import org.fuin.objects4j.common.ExceptionShortIdentifable;

-
 /**
 * A name that should be unique does already exist.
 */
@@ -26,11 +25,11 @@ public final class DuplicatePersonNameException extends Exception implements Exc

    private static final long serialVersionUID = 1000L;

-    private static final String SHORT_ID = "DUPLICATE_PERSON_NAME"; 
-    
-    private PersonId personId;
+    private static final String SHORT_ID = "DUPLICATE_PERSON_NAME";

-    private PersonName name;
+    private final PersonId personId;
+
+    private final PersonName name;

    /**
     * Constructor with mandatory data.
@@ -64,9 +63,9 @@ public final class DuplicatePersonNameException extends Exception implements Exc
        return name;
    }

-	@Override
-	public final String getShortId() {
-		return SHORT_ID;
-	}
+    @Override
+    public final String getShortId() {
+        return SHORT_ID;
+    }

 }
--- a/aggregates/src/main/java/org/fuin/cqrs4j/example/aggregates/PersonRepository.java
+++ b/aggregates/src/main/java/org/fuin/cqrs4j/example/aggregates/PersonRepository.java
@@ -12,13 +12,13 @@
 */
 package org.fuin.cqrs4j.example.aggregates;

-import javax.annotation.concurrent.NotThreadSafe;
 import javax.validation.constraints.NotNull;

 import org.fuin.cqrs4j.example.shared.PersonId;
 import org.fuin.ddd4j.ddd.EntityType;
 import org.fuin.ddd4j.esrepo.EventStoreRepository;
 import org.fuin.esc.api.EventStore;
+import org.fuin.objects4j.common.NotThreadSafe;

 /**
 * Event sourced repository for storing a {@link Person} aggregate.
--- a/aggregates/src/test/java/org/fuin/cqrs4j/example/aggregates/PersonTest.java
+++ b/aggregates/src/test/java/org/fuin/cqrs4j/example/aggregates/PersonTest.java
@@ -12,7 +12,7 @@ import org.fuin.cqrs4j.example.shared.PersonName;
 import org.junit.Test;

 /**
- * Test for the {@link Person} class. 
+ * Test for the {@link Person} class.
 */
 public class PersonTest {

@@ -24,7 +24,9 @@ public class PersonTest {
        final PersonName personName = new PersonName("Peter Parker");

        // TEST
-        final Person testee = new Person(personId, personName, pid -> { return Optional.empty(); }) ;
+        final Person testee = new Person(personId, personName, pid -> {
+            return Optional.empty();
+        });

        // VERIFY
        assertThat(testee.getUncommittedChanges()).hasSize(1);
@@ -34,8 +36,7 @@ public class PersonTest {
        assertThat(event.getName()).isEqualTo(personName);

    }
-    
-    
+
    @Test
    public final void testCreateDuplicateName() {

@@ -46,12 +47,14 @@ public class PersonTest {

        // TEST & VERIFY
        try {
-            new Person(personId, personName, pid -> { return Optional.of(otherId); }) ;
+            new Person(personId, personName, pid -> {
+                return Optional.of(otherId);
+            });
            fail("Excpected duplicate name exception");
        } catch (final DuplicatePersonNameException ex) {
            assertThat(ex.getMessage()).isEqualTo("The name 'Peter Parker' already exists: " + otherId);
        }
-        
+
    }
-    
+
 }
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,7 +3,7 @@ version: '2.4'
 services:

  eventstore:
-    image: eventstore/eventstore:release-4.1.3
+    image: eventstore/eventstore:release-5.0.9
    container_name: "cqrs4j-quarkus-example-eventstore"
    ports:
      - "1113:1113"
--- a/java-se-cdi/README.md
+++ b/java-se-cdi/README.md
@@ -4,7 +4,7 @@ Minimal standalone example application that uses the [ddd-4-java](https://github
 ## Starting the demo

 1. Start an EventStore locally on your PC
-    * You can use the [EventStore Docker Image](https://hub.docker.com/r/eventstore/eventstore/): ```docker run --name eventstore-node -p 2113:2113 -p 1113:1113 --rm eventstore/eventstore:release-4.1.3```
+    * You can use the [EventStore Docker Image](https://hub.docker.com/r/eventstore/eventstore/): ```docker run --name eventstore-node -p 2113:2113 -p 1113:1113 --rm eventstore/eventstore:release-5.0.9```
    * Or simply start an instance (See [Install and run Event Store](https://eventstore.org/docs/server/index.html?tabs=tabid-1) for more information)
 2. Run the [QryExampleApp](src/main/java/org/fuin/cqrs4j/example/javasecdi/qry/app/QryExampleApp.java) to make the view/read part listen to new events
     * You should see something like this on the console: ```INFO  o.f.d.qry.handler.QryProjector - Create projection 'qry-person-stream' with events: [PersonCreatedEvent]```
@@ -12,7 +12,8 @@ Minimal standalone example application that uses the [ddd-4-java](https://github
 3. Run the [CmdExampleApp](src/main/java/org/fuin/cqrs4j/example/javasecdi/cmd/app/CmdExampleApp.java) to create a [PersonCreatedEvent](src/main/java/org/fuin/cqrs4j/example/javasecdi/shared/domain/PersonCreatedEvent.java)
      * You should see something like this on the console: ```INFO  o.f.d.cmd.app.CmdExampleApp - Updated event store...```
      * There should also be an update on the 'QryExampleApp' console: ```INFO  o.f.d.q.h.PersonCreatedEventHandler - Handle Person 'Peter Parker Inc.' was created``` 
-     * If you open the [Event Store UI](http://localhost:2113/web/index.html#/projections) (User 'admin' / Password 'changeit') and open the projection details for 'qry-person-stream' it should show 'Events processed = 1'
+      * If you open the [Event Store UI](http://localhost:2113/web/index.html#/projections) (User 'admin' / Password 'changeit') and open the projection details for 'qry-person-stream' it should show 'Events processed = 1'
+      * Look at the person's aggregate event stream: ```http://localhost:2113/web/index.html#/streams/PERSON-00000000-0000-0000-0000-000000000000`` - Replace the zero UUID with the one shown in the event handler message 'Person 'Peter Parker Inc.' (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx) was created'
 4. Kill the [QryExampleApp](src/main/java/org/fuin/cqrs4j/example/javasecdi/qry/app/QryExampleApp.java)
 5. Stop the event store

--- a/java-se-cdi/pom.xml
+++ b/java-se-cdi/pom.xml
@@ -5,15 +5,15 @@

    <modelVersion>4.0.0</modelVersion>

-    <parent>
-        <groupId>org.fuin</groupId>
-        <artifactId>pom</artifactId>
-        <version>1.6.0</version>
-    </parent>
+	<parent>
+		<groupId>org.fuin.cqrs4j.example</groupId>
+		<artifactId>cqrs4j-example-root</artifactId>
+		<version>0.2.0-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
+	</parent>

    <groupId>org.fuin.cqrs4j.example.javasecdi</groupId>
    <artifactId>cqrs4j-javasecdi-example</artifactId>
-    <version>0.1.0</version>
    <description>Minimal standalone example application that uses the 'ddd-4-java' and 'ddd-cqrs-4-java-example' libraries</description>

    <scm>
@@ -28,10 +28,7 @@
    </issueManagement>

    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-        <esc.version>0.3.1</esc.version>
+        <esc.version>0.4.0</esc.version>
    </properties>

    <dependencyManagement>
@@ -41,7 +38,7 @@
            <dependency>
                <groupId>org.apache.deltaspike.distribution</groupId>
                <artifactId>distributions-bom</artifactId>
-                <version>1.9.0</version>
+                <version>1.9.4</version>
                <scope>import</scope>
                <type>pom</type>
            </dependency>
@@ -57,122 +54,106 @@
        <dependency>
            <groupId>org.fuin.cqrs4j.example</groupId>
            <artifactId>cqrs4j-example-shared</artifactId>
-            <version>0.1.0</version>
+            <version>0.2.0-SNAPSHOT</version>
        </dependency>
        
        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>ddd-4-java</artifactId>
-            <version>0.2.1</version>
        </dependency>

        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>cqrs-4-java</artifactId>
-            <version>0.2.1</version>
        </dependency>

        <dependency>
            <groupId>org.fuin.esc</groupId>
            <artifactId>esc-spi</artifactId>
-            <version>${esc.version}</version>
        </dependency>

        <dependency>
            <groupId>org.fuin.esc</groupId>
            <artifactId>esc-esjc</artifactId>
-            <version>${esc.version}</version>
        </dependency>

        <dependency>
            <groupId>org.fuin.esc</groupId>
            <artifactId>esc-eshttp</artifactId>
-            <version>${esc.version}</version>
        </dependency>

        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpasyncclient</artifactId>
-            <version>4.1</version>
        </dependency>

        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
-            <version>4.5</version>
        </dependency>

        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>ext4logback</artifactId>
-            <version>0.2.0</version>
        </dependency>

        <dependency>
-            <groupId>javax.validation</groupId>
-            <artifactId>validation-api</artifactId>
-            <version>2.0.1.Final</version>
-            <optional>true</optional>
+			<groupId>jakarta.validation</groupId>
+			<artifactId>jakarta.validation-api</artifactId>
        </dependency>

        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
-            <version>3.7</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
-            <version>1.7.25</version>
        </dependency>

        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
-            <version>1.1.8</version>
        </dependency>

        <dependency>
-            <groupId>javax.enterprise</groupId>
-            <artifactId>cdi-api</artifactId>
-            <version>2.0</version>
+            <groupId>jakarta.enterprise</groupId>
+            <artifactId>jakarta.enterprise.cdi-api</artifactId>
+            <version>2.0.2</version>
        </dependency>

        <dependency>
            <groupId>org.jboss.weld.se</groupId>
            <artifactId>weld-se-core</artifactId>
-            <version>3.0.4.Final</version>
+            <version>3.1.5.SP1</version>
        </dependency>

        <dependency>
            <groupId>org.eclipse.microprofile.config</groupId>
            <artifactId>microprofile-config-api</artifactId>
-            <version>1.3</version>
+            <version>2.0</version>
        </dependency>

-        <dependency>
-            <groupId>io.smallrye</groupId>
-            <artifactId>smallrye-config</artifactId>
-            <version>1.3.5</version>
-        </dependency>
+		<dependency>
+		    <groupId>io.smallrye.config</groupId>
+		    <artifactId>smallrye-config</artifactId>
+		    <version>2.4.2</version>
+		</dependency>

        <dependency>
-            <groupId>javax.json</groupId>
-            <artifactId>javax.json-api</artifactId>
-            <version>1.1.4</version>
+            <groupId>jakarta.json</groupId>
+            <artifactId>jakarta.json-api</artifactId>
        </dependency>

        <dependency>
            <groupId>org.glassfish</groupId>
-            <artifactId>javax.json</artifactId>
-            <version>1.1.4</version>
+            <artifactId>jakarta.json</artifactId>
        </dependency>

        <dependency>
            <groupId>org.eclipse</groupId>
            <artifactId>yasson</artifactId>
-            <version>1.0.3</version>
        </dependency>

        <dependency>
@@ -188,41 +169,26 @@
        <dependency>
            <groupId>org.hibernate.validator</groupId>
            <artifactId>hibernate-validator</artifactId>
-            <version>6.0.10.Final</version>
-            <exclusions>
-                <exclusion>
-                    <artifactId>jaxb-impl</artifactId>
-                    <groupId>com.sun.xml.bind</groupId>
-                </exclusion>
-                <exclusion>
-                    <artifactId>jaxb-api</artifactId>
-                    <groupId>javax.xml.bind</groupId>
-                </exclusion>
-            </exclusions>
        </dependency>

        <dependency>
-            <groupId>org.hibernate.javax.persistence</groupId>
-            <artifactId>hibernate-jpa-2.1-api</artifactId>
-            <version>1.0.2</version>
+			<groupId>jakarta.persistence</groupId>
+			<artifactId>jakarta.persistence-api</artifactId>
        </dependency>

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
-            <version>5.4.2.Final</version>
        </dependency>

        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
-            <version>2.6</version>
        </dependency>

        <dependency>
            <groupId>org.hsqldb</groupId>
            <artifactId>hsqldb</artifactId>
-            <version>2.4.1</version>
        </dependency>

        <!-- Test -->
@@ -230,7 +196,6 @@
        <dependency>
            <groupId>org.fuin.esc</groupId>
            <artifactId>esc-mem</artifactId>
-            <version>${esc.version}</version>
            <scope>test</scope>
        </dependency>

@@ -243,32 +208,144 @@
        <dependency>
            <groupId>org.assertj</groupId>
            <artifactId>assertj-core</artifactId>
-            <version>3.10.0</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>units4j</artifactId>
-            <version>0.8.4</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>nl.jqno.equalsverifier</groupId>
            <artifactId>equalsverifier</artifactId>
-            <version>2.4.6</version>
            <scope>test</scope>
        </dependency>

    </dependencies>

-    <build>
+	<build>

-        <plugins>
+		<pluginManagement>

-        </plugins>
+			<plugins>

-    </build>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-jdeps-plugin</artifactId>
+					<version>3.1.2</version>
+					<configuration>
+						<multiRelease>base</multiRelease>
+						<failOnWarning>true</failOnWarning>
+					</configuration>
+					<executions>
+						<execution>
+							<goals>
+								<goal>jdkinternals</goal>
+								<goal>test-jdkinternals</goal>
+							</goals>
+						</execution>
+					</executions>
+				</plugin>
+
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-jar-plugin</artifactId>
+					<version>3.2.0</version>
+					<configuration>
+						<includes>
+							<include>**/*</include>
+						</includes>
+					</configuration>
+				</plugin>
+
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-compiler-plugin</artifactId>
+					<version>3.8.1</version>
+					<configuration>
+						<release>${java.version}</release>
+					</configuration>
+				</plugin>
+
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-javadoc-plugin</artifactId>
+					<version>3.2.0</version>
+				</plugin>
+
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-source-plugin</artifactId>
+					<version>3.2.1</version>
+					<executions>
+						<execution>
+							<id>attach-sources</id>
+							<goals>
+								<goal>jar-no-fork</goal>
+							</goals>
+						</execution>
+					</executions>
+				</plugin>
+
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-release-plugin</artifactId>
+					<version>3.0.0-M1</version>
+				</plugin>
+
+			</plugins>
+
+		</pluginManagement>
+
+		<plugins>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-enforcer-plugin</artifactId>
+				<version>3.0.0-M3</version>
+				<executions>
+					<execution>
+						<id>enforce-java-and-maven-version</id>
+						<goals>
+							<goal>enforce</goal>
+						</goals>
+						<configuration>
+							<rules>
+								<requireJavaVersion>
+									<version>${java.version}</version>
+									<message>Java 11 or later is required!</message>
+								</requireJavaVersion>
+								<requireMavenVersion>
+									<version>3.6.0</version>
+									<message>Please use at least Maven	3.6.0 as older versions may	cause problems with Java 11+</message>
+								</requireMavenVersion>
+							</rules>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+
+		</plugins>
+
+	</build>
+
+    <repositories>
+
+        <repository>
+            <id>sonatype.oss.snapshots</id>
+            <name>Sonatype OSS Snapshot Repository</name>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+            <releases>
+                <enabled>false</enabled>
+            </releases>
+            <snapshots>
+                <updatePolicy>always</updatePolicy>
+                <enabled>true</enabled>
+            </snapshots>
+        </repository>
+
+    </repositories>

 </project>
--- a/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/cmd/app/CmdExampleApp.java
+++ b/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/cmd/app/CmdExampleApp.java
@@ -37,7 +37,7 @@ import org.slf4j.LoggerFactory;
 public class CmdExampleApp {

    private static final Logger LOG = LoggerFactory.getLogger(CmdExampleApp.class);
-    
+
    @Inject
    private Instance<EventStore> eventStoreInstance;

@@ -48,7 +48,7 @@ public class CmdExampleApp {
    public void execute() {

        LOG.info("Executing...");
-        
+
        try (final EventStore eventStore = eventStoreInstance.get()) {

            final PersonId id = new PersonId(UUID.fromString("f645969a-402d-41a9-882b-d2d8000d0f43"));
@@ -61,7 +61,7 @@ public class CmdExampleApp {
            repo.update(person);

            LOG.info("Updated event store...");
-            
+
        } catch (final Exception ex) {
            throw new RuntimeException("Error saving person aggregate into event store", ex);
        }
@@ -81,16 +81,16 @@ public class CmdExampleApp {
            new LogbackStandalone().init(args, new NewLogConfigFileParams("org.fuin.cqrs4j.example.javasecdi", "logback"));

            LOG.info("Start example");
-            
+
            try (final SeContainer container = SeContainerInitializer.newInstance().initialize()) {
                final CmdExampleApp app = container.select(CmdExampleApp.class).get();
                app.execute();
            }

            LOG.info("Finished example");
-            
+
            System.exit(0);
-            
+
        } catch (final RuntimeException ex) {
            ex.printStackTrace(System.err);
            System.exit(1);
--- a/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/cmd/domain/Person.java
+++ b/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/cmd/domain/Person.java
@@ -45,7 +45,8 @@ public class Person extends AbstractAggregateRoot<PersonId> implements Serializa
     * @throws DuplicatePersonNameException
     *             The name already exists for another person.
     */
-    public Person(@NotNull final PersonId id, @NotNull final PersonName name, final PersonService service) throws DuplicatePersonNameException {
+    public Person(@NotNull final PersonId id, @NotNull final PersonName name, final PersonService service)
+            throws DuplicatePersonNameException {
        super();

        // VERIFY PRECONDITIONS
--- a/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/cmd/domain/PersonRepository.java
+++ b/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/cmd/domain/PersonRepository.java
@@ -1,6 +1,6 @@
 package org.fuin.cqrs4j.example.javasecdi.cmd.domain;

-import javax.annotation.concurrent.NotThreadSafe;
+import org.fuin.objects4j.common.NotThreadSafe;
 import javax.validation.constraints.NotNull;

 import org.fuin.cqrs4j.example.shared.PersonId;
--- a/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/qry/app/QryEntityManagerProducer.java
+++ b/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/qry/app/QryEntityManagerProducer.java
@@ -11,10 +11,10 @@ import org.apache.deltaspike.jpa.api.transaction.TransactionScoped;

@ApplicationScoped
 public class QryEntityManagerProducer {
-    
+
    private EntityManagerFactory emf;

-    @Produces 
+    @Produces
    @TransactionScoped
    public EntityManager create() {
        if (emf == null) {
--- a/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/qry/app/QryProjectionAdminEventStoreFactory.java
+++ b/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/qry/app/QryProjectionAdminEventStoreFactory.java
@@ -40,8 +40,10 @@ public class QryProjectionAdminEventStoreFactory {
                    config.getEventStorePassword());
            credentialsProvider.setCredentials(AuthScope.ANY, credentials);
            final SimpleSerializerDeserializerRegistry registry = new SimpleSerializerDeserializerRegistry();
-            final ProjectionAdminEventStore es = new ESHttpEventStore(threadFactory, new URL(url), ESEnvelopeType.JSON, registry, registry,
-                    credentialsProvider);
+
+            final ProjectionAdminEventStore es = new ESHttpEventStore.Builder().threadFactory(threadFactory).url(new URL(url))
+                    .envelopeType(ESEnvelopeType.JSON).serDesRegistry(registry).credentialsProvider(credentialsProvider).build();
+
            es.open();
            return es;
        } catch (final MalformedURLException ex) {
--- a/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/qry/app/QryScheduledExecutorService.java
+++ b/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/qry/app/QryScheduledExecutorService.java
@@ -16,7 +16,9 @@ public class QryScheduledExecutorService {
    @Produces
    @ApplicationScoped
    public ScheduledExecutorService create(ThreadFactory threadFactory) {
-        return new ScheduledThreadPoolExecutor(1, threadFactory, (runnable, executor) -> { System.out.println("Execution blocked"); });
+        return new ScheduledThreadPoolExecutor(1, threadFactory, (runnable, executor) -> {
+            System.out.println("Execution blocked");
+        });
    }
-    
+
 }
--- a/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/qry/handler/PersonCreatedEventHandler.java
+++ b/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/qry/handler/PersonCreatedEventHandler.java
@@ -18,7 +18,7 @@ import org.slf4j.LoggerFactory;
 */
@ApplicationScoped
 public class PersonCreatedEventHandler implements EventHandler<PersonCreatedEvent> {
-    
+
    private static final Logger LOG = LoggerFactory.getLogger(PersonCreatedEventHandler.class);

    @Inject
--- a/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/qry/handler/QryEventChunkHandler.java
+++ b/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/qry/handler/QryEventChunkHandler.java
@@ -16,7 +16,7 @@ import org.slf4j.LoggerFactory;
 public class QryEventChunkHandler {

    private static final Logger LOG = LoggerFactory.getLogger(QryEventChunkHandler.class);
-            
+
    /** Unique name of the event store projection that is used. */
    public static final ProjectionStreamId PROJECTION_STREAM_ID = new ProjectionStreamId("qry-person-stream");

--- a/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/shared/app/SharedConfig.java
+++ b/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/shared/app/SharedConfig.java
@@ -68,14 +68,19 @@ public class SharedConfig {
    /**
     * Constructor with all data.
     * 
-     * @param eventStoreHost     Host.
-     * @param eventStoreHttpPort HTTP port
-     * @param eventStoreTcpPort  TCP port.
-     * @param eventStoreUser     User.
-     * @param eventStorePassword Password.
+     * @param eventStoreHost
+     *            Host.
+     * @param eventStoreHttpPort
+     *            HTTP port
+     * @param eventStoreTcpPort
+     *            TCP port.
+     * @param eventStoreUser
+     *            User.
+     * @param eventStorePassword
+     *            Password.
     */
-    public SharedConfig(final String eventStoreHost, final int eventStoreHttpPort, final int eventStoreTcpPort,
-            final String eventStoreUser, final String eventStorePassword) {
+    public SharedConfig(final String eventStoreHost, final int eventStoreHttpPort, final int eventStoreTcpPort, final String eventStoreUser,
+            final String eventStorePassword) {
        super();
        this.eventStoreHost = eventStoreHost;
        this.eventStoreHttpPort = eventStoreHttpPort;
--- a/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/shared/app/SharedEventStoreFactory.java
+++ b/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/shared/app/SharedEventStoreFactory.java
@@ -21,20 +21,22 @@ public class SharedEventStoreFactory {
    /**
     * Creates an event store.<br>
     * <br>
-     * CAUTION: The returned event store instance is NOT thread safe. 
+     * CAUTION: The returned event store instance is NOT thread safe.
     * 
-     * @param es       Native event store API.
-     * @param registry Serialization registry.
+     * @param es
+     *            Native event store API.
+     * @param registry
+     *            Serialization registry.
     * 
     * @return Dependent scope event store.
-     */    
+     */
    @Produces
    @RequestScoped
-    public EventStore createEventStore(final com.github.msemys.esjc.EventStore es,
-            final SerDeserializerRegistry registry) {
+    public EventStore createEventStore(final com.github.msemys.esjc.EventStore es, final SerDeserializerRegistry registry) {
+
+        final EventStore eventstore = new ESJCEventStore.Builder().eventStore(es).serDesRegistry(registry)
+                .targetContentType(EnhancedMimeType.create("application", "json", Charset.forName("utf-8"))).build();

-        final EventStore eventstore = new ESJCEventStore(es, registry, registry,
-                EnhancedMimeType.create("application", "json", Charset.forName("utf-8")));
        eventstore.open();
        return eventstore;

@@ -43,7 +45,8 @@ public class SharedEventStoreFactory {
    /**
     * Closes the event store when the context is disposed.
     * 
-     * @param es Event store to close.
+     * @param es
+     *            Event store to close.
     */
    public void closeEventStore(@Disposes final EventStore es) {
        es.close();
--- a/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/shared/app/SharedSerDeserializerRegistryFactory.java
+++ b/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/shared/app/SharedSerDeserializerRegistryFactory.java
@@ -24,8 +24,7 @@ public class SharedSerDeserializerRegistryFactory {
        final JsonbDeSerializer jsonbDeSer = SharedUtils.createJsonbDeSerializer();

        // Registry connects the type with the appropriate serializer and de-serializer
-        final SerDeserializerRegistry serDeserRegistry = SharedUtils.createSerDeserializerRegistry(typeRegistry,
-                jsonbDeSer);
+        final SerDeserializerRegistry serDeserRegistry = SharedUtils.createSerDeserializerRegistry(typeRegistry, jsonbDeSer);

        return serDeserRegistry;

--- a/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/shared/app/SharedUtils.java
+++ b/java-se-cdi/src/main/java/org/fuin/cqrs4j/example/javasecdi/shared/app/SharedUtils.java
@@ -39,7 +39,6 @@ import org.fuin.esc.spi.SerializedDataTypeRegistry;
 import org.fuin.esc.spi.SimpleSerializedDataTypeRegistry;
 import org.fuin.esc.spi.SimpleSerializerDeserializerRegistry;

-
 /**
 * Utility code shared between command (write) and query (read) module.
 */
@@ -51,16 +50,14 @@ public final class SharedUtils {

    /** All JSON-B adapters from this module. */
    public static JsonbAdapter<?, ?>[] JSONB_ADAPTERS = new JsonbAdapter<?, ?>[] { new EventIdConverter(),
-            new EntityIdPathConverter(new SharedEntityIdFactory()), new PersonId.Converter(),
-            new PersonName.Converter() };
+            new EntityIdPathConverter(new SharedEntityIdFactory()), new PersonId.Converter(), new PersonName.Converter() };

    private SharedUtils() {
        throw new UnsupportedOperationException("It is not allowed to create an instance of a utiliy class");
    }

    /**
-     * Create a registry that allows finding types (classes) based on their unique
-     * type name.
+     * Create a registry that allows finding types (classes) based on their unique type name.
     * 
     * @return New instance.
     */
@@ -84,11 +81,12 @@ public final class SharedUtils {
    }

    /**
-     * Creates a registry that connects the type with the appropriate serializer and
-     * de-serializer.
+     * Creates a registry that connects the type with the appropriate serializer and de-serializer.
     * 
-     * @param typeRegistry Type registry (Mapping from type name to class).
-     * @param jsonbDeSer   JSON-B serializer/deserializer to use.
+     * @param typeRegistry
+     *            Type registry (Mapping from type name to class).
+     * @param jsonbDeSer
+     *            JSON-B serializer/deserializer to use.
     * 
     * @return New instance.
     */
@@ -120,9 +118,8 @@ public final class SharedUtils {
    public static JsonbDeSerializer createJsonbDeSerializer() {

        return JsonbDeSerializer.builder().withSerializers(EscSpiUtils.createEscJsonbSerializers())
-                .withDeserializers(EscSpiUtils.createEscJsonbDeserializers())
-                .withAdapters(JSONB_ADAPTERS).withPropertyVisibilityStrategy(new FieldAccessStrategy())
-                .withEncoding(Charset.forName("utf-8")).build();
+                .withDeserializers(EscSpiUtils.createEscJsonbDeserializers()).withAdapters(JSONB_ADAPTERS)
+                .withPropertyVisibilityStrategy(new FieldAccessStrategy()).withEncoding(Charset.forName("utf-8")).build();

    }

@@ -138,8 +135,10 @@ public final class SharedUtils {
        /**
         * Constructor with all data.
         * 
-         * @param type  Type.
-         * @param clasz Class.
+         * @param type
+         *            Type.
+         * @param clasz
+         *            Class.
         */
        public TypeClass(final SerializedDataType type, final Class<?> clasz) {
            super();
--- a/36
+++ b/36
@@ -8,7 +8,7 @@
 # "License"); you may not use this file except in compliance
 # with the License.  You may obtain a copy of the License at
 #
-#    https://www.apache.org/licenses/LICENSE-2.0
+#    http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
@@ -19,7 +19,7 @@
 # ----------------------------------------------------------------------------

 # ----------------------------------------------------------------------------
-# Maven2 Start Up Batch script
+# Maven Start Up Batch script
 #
 # Required ENV vars:
 # ------------------
@@ -114,7 +114,6 @@ if $mingw ; then
    M2_HOME="`(cd "$M2_HOME"; pwd)`"
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
-  # TODO classpath?
 fi

 if [ -z "$JAVA_HOME" ]; then
@@ -212,7 +211,11 @@ else
    if [ "$MVNW_VERBOSE" = true ]; then
      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
    fi
-    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    else
+      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    fi
    while IFS="=" read key value; do
      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
      esac
@@ -221,22 +224,38 @@ else
      echo "Downloading from: $jarUrl"
    fi
    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+    if $cygwin; then
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+    fi

    if command -v wget > /dev/null; then
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Found wget ... using wget"
        fi
-        wget "$jarUrl" -O "$wrapperJarPath"
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
+        fi
    elif command -v curl > /dev/null; then
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Found curl ... using curl"
        fi
-        curl -o "$wrapperJarPath" "$jarUrl"
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
    else
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Falling back to using Java to download"
        fi
        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
        if [ -e "$javaClass" ]; then
            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
                if [ "$MVNW_VERBOSE" = true ]; then
@@ -277,6 +296,11 @@ if $cygwin; then
    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
 fi

+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
 WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain

 exec "$JAVACMD" \
--- a/mvnw.cmd
+++ b/mvnw.cmd
@@ -7,7 +7,7 @@
@REM "License"); you may not use this file except in compliance
@REM with the License.  You may obtain a copy of the License at
@REM
-@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM    http://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@@ -18,7 +18,7 @@
@REM ----------------------------------------------------------------------------

@REM ----------------------------------------------------------------------------
-@REM Maven2 Start Up Batch script
+@REM Maven Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@@ -26,7 +26,7 @@
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
-@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM     e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@@ -37,7 +37,7 @@
@echo off
@REM set title of command window
 title %0
-@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%

@REM set %HOME% to equivalent of $HOME
@@ -120,23 +120,44 @@ SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
 set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
 set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain

-set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
-FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
-	IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+
+FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
 )

@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
 if exist %WRAPPER_JAR% (
-    echo Found %WRAPPER_JAR%
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
 ) else (
-    echo Couldn't find %WRAPPER_JAR%, downloading it ...
-	echo Downloading from: %DOWNLOAD_URL%
-    powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
-    echo Finished downloading %WRAPPER_JAR%
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
 )
@REM End of extension

+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
 %MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
 if ERRORLEVEL 1 goto error
 goto end
--- a/pom.xml
+++ b/pom.xml
@@ -1,20 +1,359 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>

-    <groupId>org.fuin.cqrs4j.example</groupId>
-    <artifactId>cqrs4j-example-root</artifactId>
-    <version>0.1.0</version>
-    <packaging>pom</packaging>
+	<groupId>org.fuin.cqrs4j.example</groupId>
+	<artifactId>cqrs4j-example-root</artifactId>
+	<version>0.2.0-SNAPSHOT</version>
+	<packaging>pom</packaging>
+
+	<properties>
+		<java.version>11</java.version>
+		<maven.compiler.release>${java.version}</maven.compiler.release>
+        <maven.compiler.parameters>true</maven.compiler.parameters>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+		<esc.version>0.4.2</esc.version>
+	</properties>
+
+	<modules>
+		<module>shared</module>
+		<module>aggregates</module>
+		<module>java-se-cdi</module>
+		<module>quarkus</module>
+		<module>spring-boot</module>
+	</modules>
+	
+	<dependencyManagement>
+
+		<dependencies>
+
+			<dependency>
+				<groupId>org.fuin</groupId>
+				<artifactId>ddd-4-java</artifactId>
+				<version>0.4.0</version>
+			</dependency>
+
+			<dependency>
+				<groupId>org.fuin</groupId>
+				<artifactId>cqrs-4-java</artifactId>
+				<version>0.4.0</version>
+			</dependency>
+
+			<dependency>
+				<groupId>org.fuin</groupId>
+				<artifactId>objects4j</artifactId>
+				<version>0.7.1</version>
+			</dependency>
+
+			<dependency>
+				<groupId>org.fuin.esc</groupId>
+				<artifactId>esc-api</artifactId>
+				<version>${esc.version}</version>
+			</dependency>
+
+			<dependency>
+				<groupId>org.fuin.esc</groupId>
+				<artifactId>esc-spi</artifactId>
+				<version>${esc.version}</version>
+			</dependency>
+
+	        <dependency>
+	            <groupId>org.fuin.esc</groupId>
+	            <artifactId>esc-esjc</artifactId>
+	            <version>${esc.version}</version>
+	        </dependency>
+	
+	        <dependency>
+	            <groupId>org.fuin.esc</groupId>
+	            <artifactId>esc-eshttp</artifactId>
+	            <version>${esc.version}</version>
+	        </dependency>
+
+	        <dependency>
+	            <groupId>org.fuin.esc</groupId>
+	            <artifactId>esc-mem</artifactId>
+	            <version>${esc.version}</version>
+	        </dependency>
+
+	        <dependency>
+	            <groupId>org.apache.httpcomponents</groupId>
+	            <artifactId>httpasyncclient</artifactId>
+	            <version>4.1.4</version>
+	        </dependency>
+	
+	        <dependency>
+	            <groupId>org.apache.httpcomponents</groupId>
+	            <artifactId>httpclient</artifactId>
+	            <version>4.5.13</version>
+	        </dependency>
+	
+	        <dependency>
+	            <groupId>org.fuin</groupId>
+	            <artifactId>ext4logback</artifactId>
+	            <version>0.2.0</version>
+	        </dependency>
+
+	        <dependency>
+	            <groupId>ch.qos.logback</groupId>
+	            <artifactId>logback-classic</artifactId>
+	            <version>1.2.5</version>
+	        </dependency>
+	
+	        <dependency>
+	            <groupId>org.apache.commons</groupId>
+	            <artifactId>commons-lang3</artifactId>
+	            <version>3.12.0</version>
+	        </dependency>
+
+			<dependency>
+				<groupId>org.slf4j</groupId>
+				<artifactId>slf4j-api</artifactId>
+				<version>1.7.32</version>
+			</dependency>
+
+			<dependency>
+				<groupId>jakarta.validation</groupId>
+				<artifactId>jakarta.validation-api</artifactId>
+				<version>2.0.2</version>
+			</dependency>
+
+			<dependency>
+	            <groupId>jakarta.json.bind</groupId>
+	            <artifactId>jakarta.json.bind-api</artifactId>
+				<version>1.0.2</version>
+			</dependency>
+
+			<dependency>
+				<groupId>jakarta.persistence</groupId>
+				<artifactId>jakarta.persistence-api</artifactId>
+				<version>2.2.3</version>
+			</dependency>
+
+	        <dependency>
+	            <groupId>jakarta.json</groupId>
+	            <artifactId>jakarta.json-api</artifactId>
+	            <version>1.1.6</version>
+	        </dependency>
+
+	        <dependency>
+	            <groupId>org.hibernate</groupId>
+	            <artifactId>hibernate-entitymanager</artifactId>
+	            <version>5.5.7.Final</version>
+	        </dependency>
+	        
+	        <dependency>
+	            <groupId>org.hsqldb</groupId>
+	            <artifactId>hsqldb</artifactId>
+	            <version>2.6.0</version>
+	        </dependency>
+
+			<dependency>
+				<groupId>junit</groupId>
+				<artifactId>junit</artifactId>
+				<version>4.13.2</version>
+			</dependency>
+
+			<dependency>
+				<groupId>org.assertj</groupId>
+				<artifactId>assertj-core</artifactId>
+				<version>3.20.2</version>
+			</dependency>
+
+			<dependency>
+				<groupId>org.fuin</groupId>
+				<artifactId>units4j</artifactId>
+				<version>0.9.1</version>
+			</dependency>
+
+			<dependency>
+				<groupId>nl.jqno.equalsverifier</groupId>
+				<artifactId>equalsverifier</artifactId>
+				<version>3.7.1</version>
+			</dependency>
+
+			<dependency>
+				<groupId>commons-io</groupId>
+				<artifactId>commons-io</artifactId>
+				<version>2.11.0</version>
+			</dependency>
+
+			<dependency>
+				<groupId>org.hibernate.validator</groupId>
+				<artifactId>hibernate-validator</artifactId>
+				<version>6.2.0.Final</version>
+			</dependency>
+
+			<dependency>
+	            <groupId>org.glassfish</groupId>
+	            <artifactId>jakarta.json</artifactId>
+	            <version>1.1.6</version>
+			</dependency>
+
+			<dependency>
+				<groupId>org.eclipse</groupId>
+				<artifactId>yasson</artifactId>
+				<version>1.0.8</version>
+			</dependency>
+
+	        <dependency>
+	            <groupId>jakarta.mail</groupId>
+	            <artifactId>jakarta.mail-api</artifactId>
+	            <version>1.6.7</version>
+	        </dependency>
+
+	        <dependency>
+	            <groupId>com.sun.mail</groupId>
+	            <artifactId>jakarta.mail</artifactId>
+	            <version>1.6.7</version>
+	        </dependency>
+
+		</dependencies>
+
+	</dependencyManagement>
+
+	<build>
+
+		<pluginManagement>
+
+			<plugins>
+
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-jdeps-plugin</artifactId>
+					<version>3.1.2</version>
+					<configuration>
+						<multiRelease>base</multiRelease>
+						<failOnWarning>true</failOnWarning>
+					</configuration>
+					<executions>
+						<execution>
+							<goals>
+								<goal>jdkinternals</goal>
+								<goal>test-jdkinternals</goal>
+							</goals>
+						</execution>
+					</executions>
+				</plugin>
+
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-jar-plugin</artifactId>
+					<version>3.2.0</version>
+					<configuration>
+						<includes>
+							<include>**/*</include>
+						</includes>
+					</configuration>
+				</plugin>
+
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-compiler-plugin</artifactId>
+					<version>3.8.1</version>
+					<configuration>
+						<release>${java.version}</release>
+					</configuration>
+				</plugin>
+
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-javadoc-plugin</artifactId>
+					<version>3.2.0</version>
+				</plugin>
+
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-source-plugin</artifactId>
+					<version>3.2.1</version>
+					<executions>
+						<execution>
+							<id>attach-sources</id>
+							<goals>
+								<goal>jar-no-fork</goal>
+							</goals>
+						</execution>
+					</executions>
+				</plugin>
+
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-release-plugin</artifactId>
+					<version>3.0.0-M1</version>
+				</plugin>
+
+	            <plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+	                <artifactId>maven-surefire-plugin</artifactId>
+	                <version>2.22.2</version>	                
+				</plugin>
+				
+	            <plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+	                <artifactId>maven-failsafe-plugin</artifactId>
+	                <version>2.22.2</version>
+				</plugin>
+
+	            <plugin>
+	                <groupId>io.fabric8</groupId>
+	                <artifactId>docker-maven-plugin</artifactId>
+	                <version>0.37.0</version>
+				</plugin>
+		
+			</plugins>
+
+		</pluginManagement>
+
+		<plugins>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-enforcer-plugin</artifactId>
+				<version>3.0.0-M3</version>
+				<executions>
+					<execution>
+						<id>enforce-java-and-maven-version</id>
+						<goals>
+							<goal>enforce</goal>
+						</goals>
+						<configuration>
+							<rules>
+								<requireJavaVersion>
+									<version>${java.version}</version>
+									<message>Java 11 or later is required!</message>
+								</requireJavaVersion>
+								<requireMavenVersion>
+									<version>3.6.0</version>
+									<message>Please use at least Maven	3.6.0 as older versions may	cause problems with Java 11+</message>
+								</requireMavenVersion>
+							</rules>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+
+		</plugins>
+
+	</build>
+
+    <repositories>
+
+        <repository>
+            <id>sonatype.oss.snapshots</id>
+            <name>Sonatype OSS Snapshot Repository</name>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+            <releases>
+                <enabled>false</enabled>
+            </releases>
+            <snapshots>
+                <updatePolicy>always</updatePolicy>
+                <enabled>true</enabled>
+            </snapshots>
+        </repository>
+
+    </repositories>

-    <modules>
-        <module>shared</module>
-        <module>aggregates</module>
-        <module>java-se-cdi</module>
-        <module>quarkus</module>
-       <module>spring-boot</module>
-    </modules>

 </project>
--- a/quarkus/command/.mvn/wrapper/MavenWrapperDownloader.java
+++ b/quarkus/command/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    private static final String WRAPPER_VERSION = "0.5.6";
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}
--- a/quarkus/command/.mvn/wrapper/maven-wrapper.jar
+++ b/quarkus/command/.mvn/wrapper/maven-wrapper.jar
--- a/quarkus/command/.mvn/wrapper/maven-wrapper.properties
+++ b/quarkus/command/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
--- a/quarkus/command/README.md
+++ b/quarkus/command/README.md
@@ -21,7 +21,7 @@ Make sure you installed everything as described [here](../../../../).

 ## *OPTIONAL* Build and run the command microservice in native mode
 1. Make sure you have enough memory (~6-8 GB) on your PC or VM
-2. Open a console (Ubuntu shortcut = <ctrl><alt><t>)
+2. Open a console (Ubuntu shortcut = ctrl alt t)
 3. Build the native executable 
   ```
   cd command
--- a/quarkus/command/mvnw
+++ b/quarkus/command/mvnw
@@ -19,7 +19,7 @@
 # ----------------------------------------------------------------------------

 # ----------------------------------------------------------------------------
-# Maven2 Start Up Batch script
+# Maven Start Up Batch script
 #
 # Required ENV vars:
 # ------------------
@@ -212,9 +212,9 @@ else
      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
    fi
    if [ -n "$MVNW_REPOURL" ]; then
-      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
    else
-      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
    fi
    while IFS="=" read key value; do
      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
@@ -246,7 +246,7 @@ else
        else
            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
        fi
-        
+
    else
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Falling back to using Java to download"
--- a/quarkus/command/mvnw.cmd
+++ b/quarkus/command/mvnw.cmd
@@ -18,7 +18,7 @@
@REM ----------------------------------------------------------------------------

@REM ----------------------------------------------------------------------------
-@REM Maven2 Start Up Batch script
+@REM Maven Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@@ -26,7 +26,7 @@
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
-@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM     e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@@ -120,7 +120,7 @@ SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
 set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
 set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain

-set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"

 FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
@@ -134,7 +134,7 @@ if exist %WRAPPER_JAR% (
    )
 ) else (
    if not "%MVNW_REPOURL%" == "" (
-        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
    )
    if "%MVNW_VERBOSE%" == "true" (
        echo Couldn't find %WRAPPER_JAR%, downloading it ...
--- a/quarkus/command/pom.xml
+++ b/quarkus/command/pom.xml
@@ -6,34 +6,14 @@

    <modelVersion>4.0.0</modelVersion>

-    <groupId>org.fuin.cqrs4j.example.quarkus</groupId>
+	<parent>
+	    <groupId>org.fuin.cqrs4j.example.quarkus</groupId>
+	    <artifactId>cqrs4j-quarkus-example-root</artifactId>
+		<version>0.2.0-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
+	</parent>
+
    <artifactId>cqrs4j-quarkus-example-command</artifactId>
-    <version>0.1.0</version>
-
-    <properties>
-        <maven.compiler.parameters>true</maven.compiler.parameters>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <esc.version>0.3.1</esc.version>
-    </properties>
-
-    <dependencyManagement>
-
-        <dependencies>
-
-            <dependency>
-                <groupId>io.quarkus</groupId>
-                <artifactId>quarkus-universe-bom</artifactId>
-                <version>1.0.1.Final</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-
-        </dependencies>
-
-    </dependencyManagement>

    <dependencies>

@@ -64,6 +44,12 @@
            <artifactId>jakarta.security.jacc-api</artifactId>
        </dependency>

+         <dependency>
+            <groupId>net.java.dev.jna</groupId>
+            <artifactId>jna-platform</artifactId>
+            <version>5.9.0</version>
+        </dependency>
+
        <dependency>
            <groupId>io.quarkus</groupId>
            <artifactId>quarkus-smallrye-context-propagation</artifactId>
@@ -77,39 +63,35 @@
        <dependency>
            <groupId>org.fuin.cqrs4j.example</groupId>
            <artifactId>cqrs4j-example-aggregates</artifactId>
-            <version>0.1.0</version>
+            <version>0.2.0-SNAPSHOT</version>
        </dependency>

        <dependency>
            <groupId>org.fuin.cqrs4j.example.quarkus</groupId>
            <artifactId>cqrs4j-quarkus-example-shared</artifactId>
-            <version>0.1.0</version>
+            <version>0.2.0-SNAPSHOT</version>
        </dependency>

        <dependency>
            <groupId>org.fuin.esc</groupId>
            <artifactId>esc-esjc</artifactId>
-            <version>${esc.version}</version>
-            <exclusions>
-                <exclusion>
-                    <groupId>ch.qos.logback</groupId>
-                    <artifactId>logback-classic</artifactId>
-                </exclusion>
-            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>cqrs-4-java</artifactId>
-            <version>0.2.1</version>
        </dependency>

        <dependency>
-            <groupId>javax.mail</groupId>
-            <artifactId>mail</artifactId>
-            <version>1.4.7</version>
+            <groupId>jakarta.mail</groupId>
+            <artifactId>jakarta.mail-api</artifactId>
        </dependency>

+		<dependency>
+		  <groupId>com.sun.mail</groupId>
+		  <artifactId>jakarta.mail</artifactId>
+		</dependency>
+
        <!-- test -->

        <dependency>
@@ -133,7 +115,7 @@
            <plugin>
                <groupId>io.quarkus</groupId>
                <artifactId>quarkus-maven-plugin</artifactId>
-                <version>1.0.1.Final</version>
+				<version>${quarkus.version}</version>
                <executions>
                    <execution>
                        <goals>
@@ -144,13 +126,13 @@
            </plugin>

            <plugin>
+				<groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.1</version>
            </plugin>

            <plugin>
+				<groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.22.1</version>
                <configuration>
                    <systemProperties>
                        <java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
@@ -159,8 +141,8 @@
            </plugin>

            <plugin>
+				<groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-failsafe-plugin</artifactId>
-                <version>2.22.2</version>
                <executions>
                    <execution>
                        <goals>
@@ -179,12 +161,11 @@
            <plugin>
                <groupId>io.fabric8</groupId>
                <artifactId>docker-maven-plugin</artifactId>
-                <version>0.31.0</version>
                <configuration>

                    <images>
                        <image>
-                            <name>eventstore/eventstore:release-4.1.3</name>
+                            <name>eventstore/eventstore:release-${eventstore.version}</name>
                            <run>
                                <network>
                                    <mode>bridge</mode>
@@ -241,21 +222,4 @@
        </profile>
    </profiles>

-    <repositories>
-
-        <repository>
-            <id>sonatype.oss.snapshots</id>
-            <name>Sonatype OSS Snapshot Repository</name>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-            <releases>
-                <enabled>false</enabled>
-            </releases>
-            <snapshots>
-                <updatePolicy>always</updatePolicy>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
-
-    </repositories>
-
 </project>
--- a/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/AggregateAlreadyExistsExceptionMapper.java
+++ b/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/AggregateAlreadyExistsExceptionMapper.java
@@ -40,8 +40,8 @@ public class AggregateAlreadyExistsExceptionMapper implements ExceptionMapper<Ag

        LOG.info("{} {}", ex.getShortId(), ex.getMessage());

-        return Response.status(Status.CONFLICT).entity(SimpleResult.error(ex.getShortId(), ex.getMessage()))
-                .type(headers.getMediaType()).build();
+        return Response.status(Status.CONFLICT).entity(SimpleResult.error(ex.getShortId(), ex.getMessage())).type(headers.getMediaType())
+                .build();
    }

 }
--- a/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/AggregateDeletedExceptionMapper.java
+++ b/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/AggregateDeletedExceptionMapper.java
@@ -40,8 +40,8 @@ public class AggregateDeletedExceptionMapper implements ExceptionMapper<Aggregat

        LOG.info("{} {}", ex.getShortId(), ex.getMessage());

-        return Response.status(Status.GONE).entity(SimpleResult.error(ex.getShortId(), ex.getMessage()))
-                .type(headers.getMediaType()).build();
+        return Response.status(Status.GONE).entity(SimpleResult.error(ex.getShortId(), ex.getMessage())).type(headers.getMediaType())
+                .build();
    }

 }
--- a/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/AggregateNotFoundExceptionMapper.java
+++ b/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/AggregateNotFoundExceptionMapper.java
@@ -40,8 +40,8 @@ public class AggregateNotFoundExceptionMapper implements ExceptionMapper<Aggrega

        LOG.info("{} {}", ex.getShortId(), ex.getMessage());

-        return Response.status(Status.NOT_FOUND).entity(SimpleResult.error(ex.getShortId(), ex.getMessage()))
-                .type(headers.getMediaType()).build();
+        return Response.status(Status.NOT_FOUND).entity(SimpleResult.error(ex.getShortId(), ex.getMessage())).type(headers.getMediaType())
+                .build();
    }

 }
--- a/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/AggregateVersionConflictExceptionMapper.java
+++ b/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/AggregateVersionConflictExceptionMapper.java
@@ -40,8 +40,8 @@ public class AggregateVersionConflictExceptionMapper implements ExceptionMapper<

        LOG.info("{} {}", ex.getShortId(), ex.getMessage());

-        return Response.status(Status.CONFLICT).entity(SimpleResult.error(ex.getShortId(), ex.getMessage()))
-                .type(headers.getMediaType()).build();
+        return Response.status(Status.CONFLICT).entity(SimpleResult.error(ex.getShortId(), ex.getMessage())).type(headers.getMediaType())
+                .build();
    }

 }
--- a/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/AggregateVersionNotFoundExceptionMapper.java
+++ b/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/AggregateVersionNotFoundExceptionMapper.java
@@ -35,13 +35,13 @@ public class AggregateVersionNotFoundExceptionMapper implements ExceptionMapper<
    @Context
    private HttpHeaders headers;

-   @Override
+    @Override
    public Response toResponse(final AggregateVersionNotFoundException ex) {

        LOG.error("{} {}", ex.getShortId(), ex.getMessage());

-        return Response.status(Status.NOT_FOUND).entity(SimpleResult.error(ex.getShortId(), ex.getMessage()))
-                .type(headers.getMediaType()).build();
+        return Response.status(Status.NOT_FOUND).entity(SimpleResult.error(ex.getShortId(), ex.getMessage())).type(headers.getMediaType())
+                .build();
    }

 }
--- a/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/ConstraintViolationExceptionMapper.java
+++ b/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/ConstraintViolationExceptionMapper.java
@@ -16,7 +16,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;

-import javax.annotation.Nullable;
+import org.fuin.objects4j.common.Nullable;
 import javax.validation.ConstraintViolation;
 import javax.validation.ConstraintViolationException;
 import javax.ws.rs.core.Context;
@@ -55,7 +55,7 @@ public class ConstraintViolationExceptionMapper implements ExceptionMapper<Const
    }

    private static String asString(@Nullable final Set<ConstraintViolation<?>> constraintViolations) {
-        if (constraintViolations == null || constraintViolations.size() == 0) {
+        if (constraintViolations == null || constraintViolations.isEmpty()) {
            return "";
        }
        final List<String> list = new ArrayList<>();
--- a/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/PersonResource.java
+++ b/quarkus/command/src/main/java/org/fuin/cqrs4j/example/quarkus/command/api/PersonResource.java
@@ -48,7 +48,7 @@ public class PersonResource {

    @Context
    UriInfo uriInfo;
-    
+
    @POST
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces(MediaType.APPLICATION_JSON)
@@ -64,18 +64,18 @@ public class PersonResource {

        try {
            // Create aggregate
-            final Person person = new Person(cmd.getAggregateRootId(), cmd.getName(), (name) -> {
+            final Person person = new Person(cmd.getAggregateRootId(), cmd.getName(), name -> {
                // TODO Execute a call to the query side to verify if the name already exists
                return Optional.empty();
            });
            repo.add(person);

            // Send OK response
-            return Response.ok(SimpleResult.ok()).build();            
+            return Response.ok(SimpleResult.ok()).build();
        } catch (final DuplicatePersonNameException ex) {
            throw new CommandExecutionFailedException(ex);
        }

    }
-    
+
 }
--- a/quarkus/command/src/main/resources/application.properties
+++ b/quarkus/command/src/main/resources/application.properties
@@ -3,7 +3,8 @@

 quarkus.http.port=8081

-quarkus.native.additional-build-args=-H:ReflectionConfigurationFiles=reflection-config.json,--report-unsupported-elements-at-runtime
+quarkus.native.additional-build-args=-H:ReflectionConfigurationFiles=reflection-config.json,--initialize-at-run-time=org.apache.http.impl.auth.NTLMEngineImpl
+quarkus.native.native-image-xmx=8192m

 quarkus.index-dependency.ddd4j.group-id=org.fuin
 quarkus.index-dependency.ddd4j.artifact-id=ddd-4-java
--- a/quarkus/command/src/test/java/org/fuin/cqrs4j/example/quarkus/command/api/PersonResourceIT.java
+++ b/quarkus/command/src/test/java/org/fuin/cqrs4j/example/quarkus/command/api/PersonResourceIT.java
@@ -31,37 +31,28 @@ import io.quarkus.test.junit.QuarkusTest;
 import io.restassured.http.ContentType;

@QuarkusTest
-public class PersonResourceIT {
+class PersonResourceIT {

    @Inject
    IESJCEventStore eventStore;
-    
+
    @Inject
    Jsonb jsonb;
-    
+
    @Test
-    public void testCreate() {
-        
+    void testCreate() {
+
        // PREPARE
        final PersonId personId = new PersonId(UUID.randomUUID());
        final PersonName personName = new PersonName("Peter Parker");
        final CreatePersonCommand cmd = new CreatePersonCommand(personId, personName);
        final String json = jsonb.toJson(cmd);
-        
+
        // TEST & VERIFY
-        final SimpleResult result = 
-          given()
-            .accept(ContentType.JSON)
-            .contentType(ContentType.JSON)
-            .body(json)
-          .when()
-            .post("/persons/create")             
-          .then()
-            .statusCode(200)
-            .extract()
-            .as(SimpleResult.class);
+        final SimpleResult result = given().accept(ContentType.JSON).contentType(ContentType.JSON).body(json).when().post("/persons/create")
+                .then().statusCode(200).extract().as(SimpleResult.class);
        assertThat(result.getType(), is(equalTo(ResultType.OK)));
-        
+
        final SimpleStreamId personStreamId = new SimpleStreamId(PersonId.TYPE + "-" + personId);
        final StreamEventsSlice slice = eventStore.readEventsForward(personStreamId, 0, 1);
        final List<CommonEvent> events = slice.getEvents();
@@ -71,7 +62,7 @@ public class PersonResourceIT {
        final PersonCreatedEvent event = (PersonCreatedEvent) ce.getData();
        assertThat(event.getEntityId(), is(equalTo(personId)));
        assertThat(event.getName(), is(equalTo(personName)));
-        
+
    }

 }
--- a/quarkus/pom.xml
+++ b/quarkus/pom.xml
@@ -4,11 +4,50 @@
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

+	<parent>
+		<groupId>org.fuin.cqrs4j.example</groupId>
+		<artifactId>cqrs4j-example-root</artifactId>
+		<version>0.2.0-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
+	</parent>
+
    <groupId>org.fuin.cqrs4j.example.quarkus</groupId>
    <artifactId>cqrs4j-quarkus-example-root</artifactId>
-    <version>0.1.0</version>
    <packaging>pom</packaging>

+    <properties>
+        <quarkus.version>2.2.1.Final</quarkus.version>
+		<eventstore.version>5.0.9</eventstore.version>
+    </properties>
+
+    <dependencyManagement>
+
+        <dependencies>
+
+            <dependency>
+                <groupId>io.quarkus.platform</groupId>
+                <artifactId>quarkus-bom</artifactId>
+                <version>${quarkus.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+
+	        <dependency>
+	            <groupId>jakarta.enterprise</groupId>
+	            <artifactId>jakarta.enterprise.cdi-api</artifactId>
+	            <version>2.0.2</version>
+	        </dependency>
+	
+	        <dependency>
+	            <groupId>org.jboss.weld.se</groupId>
+	            <artifactId>weld-se-core</artifactId>
+	            <version>3.1.8.Final</version>
+	        </dependency>
+
+        </dependencies>
+
+    </dependencyManagement>
+
    <modules>
        <module>shared</module>
        <module>query</module>
--- a/quarkus/query/.mvn/wrapper/MavenWrapperDownloader.java
+++ b/quarkus/query/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    private static final String WRAPPER_VERSION = "0.5.6";
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}
--- a/quarkus/query/.mvn/wrapper/maven-wrapper.jar
+++ b/quarkus/query/.mvn/wrapper/maven-wrapper.jar
--- a/quarkus/query/.mvn/wrapper/maven-wrapper.properties
+++ b/quarkus/query/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
--- a/quarkus/query/README.md
+++ b/quarkus/query/README.md
@@ -16,12 +16,42 @@ Make sure you installed everything as described [here](../../../../).
 ## Overview
 ![Overview](https://raw.github.com/fuinorg/ddd-cqrs-4-java-example/master/quarkus/query/doc/cdi-view.png)

+## Running test in IDE
+In case you want to run the integration test inside your IDE (Eclipse or other), you need to start the Eventstore and MariaDB before.
+
+1. Start the Eventstore Docker container:
+
+```
+docker run -d --name eventstore-node \
+-p 2113:2113 \
+-p 1113:1113 \
+--rm \
+eventstore/eventstore:release-5.0.9
+```
+
+2. Start the MariaDB Docker container:
+
+```
+docker run -d --name mariadb \
+-p 3306:3306 \
+-e MYSQL_INITDB_SKIP_TZINFO=1 \
+-e MYSQL_ROOT_PASSWORD=xyz \
+-e MYSQL_DATABASE=querydb \
+-e MYSQL_USER=mary \
+-e MYSQL_PASSWORD=abc \
+--rm \
+mariadb:10.4
+```
+
+3. Run the test: [QryPersonResourceIT.java](src/test/java/org/fuin/cqrs4j/example/quarkus/query/api/QryPersonResourceIT.java)
+
+4. Run `docker ps` to see the CONTAINER IDs and stop the Eventstore and MariaDB with `docker stop <CONTAINER_ID>`

 # TODO ... (Does currently not work)

 ## *OPTIONAL* Build and run the query microservice in native mode
 1. Make sure you have enough memory (~6-8 GB) on your PC or VM
-2. Open a console (Ubuntu shortcut = <ctrl><alt><t>)
+2. Open a console (Ubuntu shortcut = ctrl alt t)
 3. Build the native executable 
   ```
   cd query
--- a/quarkus/query/mvnw
+++ b/quarkus/query/mvnw
@@ -19,7 +19,7 @@
 # ----------------------------------------------------------------------------

 # ----------------------------------------------------------------------------
-# Maven2 Start Up Batch script
+# Maven Start Up Batch script
 #
 # Required ENV vars:
 # ------------------
@@ -212,9 +212,9 @@ else
      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
    fi
    if [ -n "$MVNW_REPOURL" ]; then
-      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
    else
-      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
    fi
    while IFS="=" read key value; do
      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
@@ -246,7 +246,7 @@ else
        else
            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
        fi
-        
+
    else
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Falling back to using Java to download"
--- a/quarkus/query/mvnw.cmd
+++ b/quarkus/query/mvnw.cmd
@@ -18,7 +18,7 @@
@REM ----------------------------------------------------------------------------

@REM ----------------------------------------------------------------------------
-@REM Maven2 Start Up Batch script
+@REM Maven Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@@ -26,7 +26,7 @@
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
-@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM     e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@@ -120,7 +120,7 @@ SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
 set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
 set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain

-set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"

 FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
@@ -134,7 +134,7 @@ if exist %WRAPPER_JAR% (
    )
 ) else (
    if not "%MVNW_REPOURL%" == "" (
-        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
    )
    if "%MVNW_VERBOSE%" == "true" (
        echo Couldn't find %WRAPPER_JAR%, downloading it ...
--- a/quarkus/query/pom.xml
+++ b/quarkus/query/pom.xml
@@ -1,282 +1,246 @@
 <?xml version="1.0"?>
 <project
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
-    xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+	xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

-    <modelVersion>4.0.0</modelVersion>
+	<modelVersion>4.0.0</modelVersion>

-    <groupId>org.fuin.cqrs4j.example.quarkus</groupId>
-    <artifactId>cqrs4j-quarkus-example-query</artifactId>
-    <version>0.1.0</version>
+	<parent>
+		<groupId>org.fuin.cqrs4j.example.quarkus</groupId>
+		<artifactId>cqrs4j-quarkus-example-root</artifactId>
+		<version>0.2.0-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
+	</parent>

-    <properties>
-        <maven.compiler.parameters>true</maven.compiler.parameters>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <esc.version>0.3.1</esc.version>
-    </properties>
+	<artifactId>cqrs4j-quarkus-example-query</artifactId>

-    <dependencyManagement>
+	<dependencies>

-        <dependencies>
+		<!-- compile -->

-            <dependency>
-                <groupId>io.quarkus</groupId>
-                <artifactId>quarkus-universe-bom</artifactId>
-                <version>1.0.1.Final</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
+		<dependency>
+			<groupId>io.quarkus</groupId>
+			<artifactId>quarkus-resteasy</artifactId>
+		</dependency>

-        </dependencies>
+		<dependency>
+			<groupId>io.quarkus</groupId>
+			<artifactId>quarkus-resteasy-jsonb</artifactId>
+		</dependency>

-    </dependencyManagement>
+		<dependency>
+			<groupId>io.quarkus</groupId>
+			<artifactId>quarkus-resteasy-jackson</artifactId>
+		</dependency>

-    <dependencies>
+		<dependency>
+			<groupId>io.quarkus</groupId>
+			<artifactId>quarkus-scheduler</artifactId>
+		</dependency>

-        <!-- compile -->
+		<dependency>
+			<groupId>io.quarkus</groupId>
+			<artifactId>quarkus-hibernate-orm</artifactId>
+		</dependency>

-        <dependency>
-            <groupId>io.quarkus</groupId>
-            <artifactId>quarkus-resteasy</artifactId>
+		<dependency>
+			<groupId>io.quarkus</groupId>
+			<artifactId>quarkus-jdbc-mariadb</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>jakarta.security.jacc</groupId>
+			<artifactId>jakarta.security.jacc-api</artifactId>
+		</dependency>
+
+         <dependency>
+            <groupId>net.java.dev.jna</groupId>
+            <artifactId>jna-platform</artifactId>
+            <version>5.9.0</version>
        </dependency>

-        <dependency>
-            <groupId>io.quarkus</groupId>
-            <artifactId>quarkus-resteasy-jsonb</artifactId>
-        </dependency>
+		<dependency>
+			<groupId>org.fuin.cqrs4j.example</groupId>
+			<artifactId>cqrs4j-example-aggregates</artifactId>
+			<version>0.2.0-SNAPSHOT</version>
+		</dependency>

-        <dependency>
-            <groupId>io.quarkus</groupId>
-            <artifactId>quarkus-resteasy-jackson</artifactId>
-        </dependency>
+		<dependency>
+			<groupId>org.fuin.cqrs4j.example.quarkus</groupId>
+			<artifactId>cqrs4j-quarkus-example-shared</artifactId>
+			<version>0.2.0-SNAPSHOT</version>
+		</dependency>

-        <dependency>
-            <groupId>io.quarkus</groupId>
-            <artifactId>quarkus-scheduler</artifactId>
-        </dependency>
+		<dependency>
+			<groupId>org.fuin.esc</groupId>
+			<artifactId>esc-eshttp</artifactId>
+		</dependency>

-        <dependency>
-            <groupId>io.quarkus</groupId>
-            <artifactId>quarkus-hibernate-orm</artifactId>
-        </dependency>
+		<dependency>
+		  <groupId>com.sun.mail</groupId>
+		  <artifactId>jakarta.mail</artifactId>
+		</dependency>

-        <!-- <dependency> <groupId>io.quarkus</groupId> <artifactId>quarkus-jdbc-postgresql</artifactId> 
-            </dependency> -->
-        <dependency>
-            <groupId>io.quarkus</groupId>
-            <artifactId>quarkus-jdbc-mariadb</artifactId>
-        </dependency>
+		<!-- test -->

-        <dependency>
-            <groupId>jakarta.security.jacc</groupId>
-            <artifactId>jakarta.security.jacc-api</artifactId>
-        </dependency>
+		<dependency>
+			<groupId>io.quarkus</groupId>
+			<artifactId>quarkus-junit5</artifactId>
+			<scope>test</scope>
+		</dependency>

-        <dependency>
-            <groupId>org.fuin.cqrs4j.example</groupId>
-            <artifactId>cqrs4j-example-aggregates</artifactId>
-            <version>0.1.0</version>
-        </dependency>
+		<dependency>
+			<groupId>io.rest-assured</groupId>
+			<artifactId>rest-assured</artifactId>
+			<scope>test</scope>
+		</dependency>

-        <dependency>
-            <groupId>org.fuin.cqrs4j.example.quarkus</groupId>
-            <artifactId>cqrs4j-quarkus-example-shared</artifactId>
-            <version>0.1.0</version>
-        </dependency>
+		<dependency>
+			<groupId>org.awaitility</groupId>
+			<artifactId>awaitility</artifactId>
+			<scope>test</scope>
+		</dependency>

-        <dependency>
-            <groupId>org.fuin.esc</groupId>
-            <artifactId>esc-eshttp</artifactId>
-            <version>${esc.version}</version>
-            <exclusions>
-                <exclusion>
-                    <groupId>ch.qos.logback</groupId>
-                    <artifactId>logback-classic</artifactId>
-                </exclusion>
-            </exclusions>
-        </dependency>
+	</dependencies>

-        <!-- test -->
+	<build>

-        <dependency>
-            <groupId>io.quarkus</groupId>
-            <artifactId>quarkus-junit5</artifactId>
-            <scope>test</scope>
-        </dependency>
+		<plugins>

-        <dependency>
-            <groupId>io.rest-assured</groupId>
-            <artifactId>rest-assured</artifactId>
-            <scope>test</scope>
-        </dependency>
+			<plugin>
+				<groupId>io.quarkus</groupId>
+				<artifactId>quarkus-maven-plugin</artifactId>
+				<version>${quarkus.version}</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>build</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>

-        <dependency>
-            <groupId>org.awaitility</groupId>
-            <artifactId>awaitility</artifactId>
-            <scope>test</scope>
-        </dependency>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+			</plugin>

-    </dependencies>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-surefire-plugin</artifactId>
+				<configuration>
+					<systemProperties>
+						<java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
+					</systemProperties>
+				</configuration>
+			</plugin>

-    <build>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-failsafe-plugin</artifactId>
+				<executions>
+					<execution>
+						<goals>
+							<goal>integration-test</goal>
+							<goal>verify</goal>
+						</goals>
+						<configuration>
+							<systemProperties>
+								<java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
+							</systemProperties>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>

-        <plugins>
+			<plugin>
+				<groupId>io.fabric8</groupId>
+				<artifactId>docker-maven-plugin</artifactId>
+				<configuration>

-            <plugin>
-                <groupId>io.quarkus</groupId>
-                <artifactId>quarkus-maven-plugin</artifactId>
-                <version>1.0.1.Final</version>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>build</goal>
-                        </goals>
-                    </execution>
-                </executions>
-            </plugin>
+					<images>
+						<image>
+							<name>eventstore/eventstore:release-${eventstore.version}</name>
+							<run>
+								<network>
+									<mode>bridge</mode>
+								</network>
+								<ports>
+									<port>1113:1113</port>
+									<port>2113:2113</port>
+								</ports>
+								<log>
+									<enabled>false</enabled>
+								</log>
+								<wait>
+									<http>
+										<url>http://localhost:2113/web/index.html#/</url>
+										<method>GET</method>
+									</http>
+									<time>20000</time>
+								</wait>
+							</run>
+						</image>

-            <plugin>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.8.1</version>
-            </plugin>
+						<image>
+							<name>mariadb:10.4</name>
+							<run>
+								<network>
+									<mode>bridge</mode>
+								</network>
+								<ports>
+									<port>3306:3306</port>
+								</ports>
+								<log>
+									<enabled>false</enabled>
+								</log>
+								<env>
+									<MYSQL_INITDB_SKIP_TZINFO>1</MYSQL_INITDB_SKIP_TZINFO>
+									<MYSQL_ROOT_PASSWORD>xyz</MYSQL_ROOT_PASSWORD>
+									<MYSQL_DATABASE>querydb</MYSQL_DATABASE>
+									<MYSQL_USER>mary</MYSQL_USER>
+									<MYSQL_PASSWORD>abc</MYSQL_PASSWORD>
+								</env>
+								<wait>
+									<time>10000</time>
+								</wait>
+							</run>
+						</image>

-            <plugin>
-                <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.22.1</version>
-                <configuration>
-                    <systemProperties>
-                        <java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
-                    </systemProperties>
-                </configuration>
-            </plugin>
+					</images>
+				</configuration>

-            <plugin>
-                <artifactId>maven-failsafe-plugin</artifactId>
-                <version>2.22.2</version>
-                <executions>
-                    <execution>
-                        <goals>
-                            <goal>integration-test</goal>
-                            <goal>verify</goal>
-                        </goals>
-                        <configuration>
-                            <systemProperties>
-                                <java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
-                            </systemProperties>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
+				<executions>
+					<execution>
+						<id>start-images</id>
+						<phase>pre-integration-test</phase>
+						<goals>
+							<goal>start</goal>
+						</goals>
+					</execution>
+					<execution>
+						<id>stop-images</id>
+						<phase>post-integration-test</phase>
+						<goals>
+							<goal>stop</goal>
+						</goals>
+					</execution>
+				</executions>

-            <plugin>
-                <groupId>io.fabric8</groupId>
-                <artifactId>docker-maven-plugin</artifactId>
-                <version>0.31.0</version>
-                <configuration>
+			</plugin>

-                    <images>
-                        <image>
-                            <name>eventstore/eventstore:release-4.1.3</name>
-                            <run>
-                                <network>
-                                    <mode>bridge</mode>
-                                </network>
-                                <ports>
-                                    <port>1113:1113</port>
-                                    <port>2113:2113</port>
-                                </ports>
-                                <log>
-                                    <enabled>false</enabled>
-                                </log>
-                                <wait>
-                                    <http>
-                                        <url>http://localhost:2113/web/index.html#/</url>
-                                        <method>GET</method>
-                                    </http>
-                                    <time>20000</time>
-                                </wait>
-                            </run>
-                        </image>
+		</plugins>

-                        <image>
-                            <name>mariadb:10.4</name>
-                            <run>
-                                <network>
-                                    <mode>bridge</mode>
-                                </network>
-                                <ports>
-                                    <port>3306:3306</port>
-                                </ports>
-                                <log>
-                                    <enabled>false</enabled>
-                                </log>
-                                <env>
-                                    <MYSQL_INITDB_SKIP_TZINFO>1</MYSQL_INITDB_SKIP_TZINFO>
-                                    <MYSQL_ROOT_PASSWORD>xyz</MYSQL_ROOT_PASSWORD>
-                                    <MYSQL_DATABASE>querydb</MYSQL_DATABASE>
-                                    <MYSQL_USER>mary</MYSQL_USER>
-                                    <MYSQL_PASSWORD>abc</MYSQL_PASSWORD>
-                                </env>
-                                <wait>
-                                    <time>10000</time>
-                                </wait>
-                            </run>
-                        </image>
+	</build>

-                    </images>
-                </configuration>
-
-                <executions>
-                    <execution>
-                        <id>start-images</id>
-                        <phase>pre-integration-test</phase>
-                        <goals>
-                            <goal>start</goal>
-                        </goals>
-                    </execution>
-                    <execution>
-                        <id>stop-images</id>
-                        <phase>post-integration-test</phase>
-                        <goals>
-                            <goal>stop</goal>
-                        </goals>
-                    </execution>
-                </executions>
-
-            </plugin>
-
-        </plugins>
-
-    </build>
-
-    <profiles>
-        <profile>
-            <id>native</id>
-            <properties>
-                <quarkus.package.type>native</quarkus.package.type>
-            </properties>
-        </profile>
-    </profiles>
-    
-    <repositories>
-
-        <repository>
-            <id>sonatype.oss.snapshots</id>
-            <name>Sonatype OSS Snapshot Repository</name>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-            <releases>
-                <enabled>false</enabled>
-            </releases>
-            <snapshots>
-                <updatePolicy>always</updatePolicy>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
-
-    </repositories>
+	<profiles>
+		<profile>
+			<id>native</id>
+			<properties>
+				<quarkus.package.type>native</quarkus.package.type>
+			</properties>
+		</profile>
+	</profiles>

 </project>
--- a/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/common/QryProjectionPositionRepository.java
+++ b/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/common/QryProjectionPositionRepository.java
@@ -27,12 +27,13 @@ import org.fuin.objects4j.common.Contract;
@ApplicationScoped
 public class QryProjectionPositionRepository implements ProjectionService {

+    private static final String ARG_STREAM_ID = "streamId";
    @Inject
    EntityManager em;
-    
+
    @Override
    public void resetProjectionPosition(@NotNull final StreamId streamId) {
-        Contract.requireArgNotNull("streamId", streamId);
+        Contract.requireArgNotNull(ARG_STREAM_ID, streamId);
        final QryProjectionPosition pos = em.find(QryProjectionPosition.class, streamId.asString());
        if (pos != null) {
            pos.setNextPosition(0L);
@@ -41,7 +42,7 @@ public class QryProjectionPositionRepository implements ProjectionService {

    @Override
    public Long readProjectionPosition(@NotNull StreamId streamId) {
-        Contract.requireArgNotNull("streamId", streamId);
+        Contract.requireArgNotNull(ARG_STREAM_ID, streamId);
        final QryProjectionPosition pos = em.find(QryProjectionPosition.class, streamId.asString());
        if (pos == null) {
            return 0L;
@@ -51,7 +52,7 @@ public class QryProjectionPositionRepository implements ProjectionService {

    @Override
    public void updateProjectionPosition(@NotNull StreamId streamId, @NotNull Long nextEventNumber) {
-        Contract.requireArgNotNull("streamId", streamId);
+        Contract.requireArgNotNull(ARG_STREAM_ID, streamId);
        Contract.requireArgNotNull("nextEventNumber", nextEventNumber);
        final QryProjectionPosition pos = em.find(QryProjectionPosition.class, streamId.asString());
        if (pos == null) {
--- a/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/package-info.java
+++ b/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/package-info.java
@@ -14,5 +14,5 @@ package org.fuin.cqrs4j.example.quarkus.query.views;

 /**
 * Contains the views used in this query application. A view never uses code of another view, means all views are completely independent of
- * each other. As an exception, the 'commons' package has some small classes that are not view specific.  
+ * each other. As an exception, the 'commons' package has some small classes that are not view specific.
 */
--- a/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/personlist/PersonCreatedEventHandler.java
+++ b/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/personlist/PersonCreatedEventHandler.java
@@ -15,7 +15,6 @@ package org.fuin.cqrs4j.example.quarkus.query.views.personlist;
 import javax.enterprise.context.ApplicationScoped;
 import javax.inject.Inject;
 import javax.persistence.EntityManager;
-import javax.transaction.Transactional;

 import org.fuin.cqrs4j.EventHandler;
 import org.fuin.cqrs4j.example.shared.PersonCreatedEvent;
@@ -29,21 +28,20 @@ import org.slf4j.LoggerFactory;
 */
@ApplicationScoped
 public class PersonCreatedEventHandler implements EventHandler<PersonCreatedEvent> {
-    
+
    private static final Logger LOG = LoggerFactory.getLogger(PersonCreatedEventHandler.class);

    @Inject
    EntityManager em;
-    
+
    @Override
    public EventType getEventType() {
        return PersonCreatedEvent.TYPE;
    }

    @Override
-    @Transactional
    public void handle(final PersonCreatedEvent event) {
-        LOG.info("Handle " + event.getClass().getSimpleName() + ": " + event);
+        LOG.info("Handle {}: {}", event.getClass().getSimpleName(), event);
        final PersonId personId = event.getEntityId();
        if (em.find(PersonListEntry.class, personId.asString()) == null) {
            em.persist(new PersonListEntry(personId, event.getName()));
--- a/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/personlist/PersonListEventChunkHandler.java
+++ b/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/personlist/PersonListEventChunkHandler.java
@@ -12,12 +12,15 @@
 */
 package org.fuin.cqrs4j.example.quarkus.query.views.personlist;

+import java.util.Set;
+
 import javax.enterprise.context.ApplicationScoped;
 import javax.inject.Inject;
 import javax.transaction.Transactional;

-import org.fuin.cqrs4j.EventDispatcher;
 import org.fuin.cqrs4j.ProjectionService;
+import org.fuin.cqrs4j.example.shared.SharedUtils;
+import org.fuin.ddd4j.ddd.EventType;
 import org.fuin.esc.api.ProjectionStreamId;
 import org.fuin.esc.api.StreamEventsSlice;
 import org.slf4j.Logger;
@@ -28,23 +31,36 @@ import org.slf4j.LoggerFactory;
 public class PersonListEventChunkHandler {

    private static final Logger LOG = LoggerFactory.getLogger(PersonListEventChunkHandler.class);
-            
-    /** Unique name of the event store projection that is used. */
-    public static final ProjectionStreamId PROJECTION_STREAM_ID = new ProjectionStreamId("quarkus-qry-person-stream");

    @Inject
-    EventDispatcher dispatcher;
+    PersonListEventDispatcher dispatcher;

    @Inject
    ProjectionService projectionService;

+    private ProjectionStreamId streamId;
+
+    /**
+     * Returns the name of the event store projection that is used by this handler.
+     * 
+     * @return Unique projection stream name.
+     */
+    public ProjectionStreamId getProjectionStreamId() {
+        if (streamId == null) {
+            final Set<EventType> eventTypes = dispatcher.getAllTypes();
+            final String name = "quarkus-qry-person-" + SharedUtils.calculateChecksum(eventTypes);
+            streamId = new ProjectionStreamId(name);
+        }
+        return streamId;
+    }
+
    /**
     * Returns the next event position to read.
     * 
     * @return Number of the next event to read.
     */
    public Long readNextEventNumber() {
-        return projectionService.readProjectionPosition(PROJECTION_STREAM_ID);
+        return projectionService.readProjectionPosition(getProjectionStreamId());
    }

    /**
@@ -53,10 +69,11 @@ public class PersonListEventChunkHandler {
     * @param currentSlice
     *            Slice with events to dispatch.
     */
+    @Transactional
    public void handleChunk(final StreamEventsSlice currentSlice) {
        LOG.debug("Handle chunk: {}", currentSlice);
        dispatcher.dispatchCommonEvents(currentSlice.getEvents());
-        projectionService.updateProjectionPosition(PROJECTION_STREAM_ID, currentSlice.getNextEventNumber());
+        projectionService.updateProjectionPosition(getProjectionStreamId(), currentSlice.getNextEventNumber());
    }

 }
--- a/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/personlist/PersonListEventDispatcher.java
+++ b/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/personlist/PersonListEventDispatcher.java
@@ -0,0 +1,67 @@
+/**
+ * Copyright (C) 2015 Michael Schnell. All rights reserved. http://www.fuin.org/
+ *
+ * This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with this library. If not, see
+ * http://www.gnu.org/licenses/.
+ */
+package org.fuin.cqrs4j.example.quarkus.query.views.personlist;
+
+import java.util.List;
+import java.util.Set;
+
+import javax.enterprise.context.ApplicationScoped;
+import javax.validation.constraints.NotNull;
+
+import org.fuin.cqrs4j.EventDispatcher;
+import org.fuin.cqrs4j.SimpleEventDispatcher;
+import org.fuin.ddd4j.ddd.Event;
+import org.fuin.ddd4j.ddd.EventType;
+import org.fuin.esc.api.CommonEvent;
+
+/**
+ * Dispatches events for the person list view.
+ */
+@ApplicationScoped
+public class PersonListEventDispatcher implements EventDispatcher {
+
+    private final SimpleEventDispatcher delegate;
+
+    /**
+     * Constructor with all events to be dispatched.
+     * 
+     * @param createdHandler
+     *            PersonCreatedEventHandler.
+     */
+    public PersonListEventDispatcher(final PersonCreatedEventHandler createdHandler) {
+        super();
+        this.delegate = new SimpleEventDispatcher(createdHandler);
+    }
+
+    @Override
+    @NotNull
+    public Set<EventType> getAllTypes() {
+        return delegate.getAllTypes();
+    }
+
+    @Override
+    public void dispatchCommonEvents(@NotNull final List<CommonEvent> commonEvents) {
+        delegate.dispatchCommonEvents(commonEvents);
+    }
+
+    @Override
+    public void dispatchEvents(@NotNull final List<Event> events) {
+        delegate.dispatchEvents(events);
+    }
+
+    @Override
+    public void dispatchEvent(@NotNull final Event event) {
+        delegate.dispatchEvent(event);
+    }
+
+}
--- a/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/personlist/PersonListEventDispatcherFactory.java
+++ b/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/personlist/PersonListEventDispatcherFactory.java
@@ -1,33 +0,0 @@
-/**
- * Copyright (C) 2015 Michael Schnell. All rights reserved. http://www.fuin.org/
- *
- * This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License along with this library. If not, see
- * http://www.gnu.org/licenses/.
- */
-package org.fuin.cqrs4j.example.quarkus.query.views.personlist;
-
-import javax.enterprise.context.ApplicationScoped;
-import javax.enterprise.inject.Produces;
-
-import org.fuin.cqrs4j.EventDispatcher;
-import org.fuin.cqrs4j.SimpleEventDispatcher;
-
-/**
- * Create an {@link EventDispatcher}.
- */
-@ApplicationScoped
-public class PersonListEventDispatcherFactory {
-
-    @Produces
-    @ApplicationScoped
-    public EventDispatcher createDispatcher(final PersonCreatedEventHandler createdHandler) {
-        return new SimpleEventDispatcher(createdHandler);
-    }
-
-}
--- a/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/personlist/PersonListProjector.java
+++ b/quarkus/query/src/main/java/org/fuin/cqrs4j/example/quarkus/query/views/personlist/PersonListProjector.java
@@ -13,7 +13,6 @@
 package org.fuin.cqrs4j.example.quarkus.query.views.personlist;

 import static org.fuin.cqrs4j.Cqrs4JUtils.tryLocked;
-import static org.fuin.cqrs4j.example.quarkus.query.views.personlist.PersonListEventChunkHandler.PROJECTION_STREAM_ID;

 import java.util.ArrayList;
 import java.util.List;
@@ -24,7 +23,6 @@ import javax.enterprise.context.ApplicationScoped;
 import javax.enterprise.event.ObservesAsync;
 import javax.inject.Inject;

-import org.fuin.cqrs4j.EventDispatcher;
 import org.fuin.cqrs4j.example.quarkus.query.app.QryCheckForViewUpdatesEvent;
 import org.fuin.ddd4j.ddd.EventType;
 import org.fuin.esc.api.TypeName;
@@ -53,7 +51,7 @@ public class PersonListProjector {
    PersonListEventChunkHandler chunkHandler;

    @Inject
-    EventDispatcher dispatcher;
+    PersonListEventDispatcher dispatcher;

    /**
     * Listens for timer events. If a second timer event occurs while the previous call is still being executed, the method will simply be
@@ -74,24 +72,32 @@ public class PersonListProjector {

    private void readStreamEvents() {

-        // TODO Make sure a projection with the correct events exists
-        // We must update the projection if new events are defined or some are removed!
-        if (!eventstore.projectionExists(PROJECTION_STREAM_ID)) {
-            final Set<EventType> eventTypes = dispatcher.getAllTypes();
-            final List<TypeName> typeNames = new ArrayList<>();
-            for (final EventType eventType : eventTypes) {
-                typeNames.add(new TypeName(eventType.asBaseType()));
-            }
-            LOG.info("Create projection '{}' with events: {}", PROJECTION_STREAM_ID, typeNames);
-            eventstore.createProjection(PROJECTION_STREAM_ID, true, typeNames);
+        // Create an event store projection if it does not exist.
+        if (!eventstore.projectionExists(chunkHandler.getProjectionStreamId())) {
+            final List<TypeName> typeNames = getEventTypeNames();
+            LOG.info("Create projection '{}' with events: {}", chunkHandler.getProjectionStreamId(), typeNames);
+            eventstore.createProjection(chunkHandler.getProjectionStreamId(), true, typeNames);
        }

        // Read and dispatch events
        final Long nextEventNumber = chunkHandler.readNextEventNumber();
-        eventstore.readAllEventsForward(PROJECTION_STREAM_ID, nextEventNumber, 100, (currentSlice) -> {
-            chunkHandler.handleChunk(currentSlice);
-        });
+        eventstore.readAllEventsForward(chunkHandler.getProjectionStreamId(), nextEventNumber, 100,
+                currentSlice -> chunkHandler.handleChunk(currentSlice));

    }

+    /**
+     * Returns a list of all event type names used for this projection.
+     * 
+     * @return List of event names.
+     */
+    public List<TypeName> getEventTypeNames() {
+        final List<TypeName> typeNames = new ArrayList<>();
+        final Set<EventType> eventTypes = dispatcher.getAllTypes();
+        for (final EventType eventType : eventTypes) {
+            typeNames.add(new TypeName(eventType.asBaseType()));
+        }
+        return typeNames;
+    }
+
 }
--- a/quarkus/query/src/main/resources/application.properties
+++ b/quarkus/query/src/main/resources/application.properties
@@ -1,17 +1,13 @@
 # Configuration file

-#quarkus.datasource.url=jdbc:postgresql://localhost:5432/querydb
-#quarkus.datasource.driver=org.postgresql.Driver
-#quarkus.datasource.username=postgres
-#quarkus.datasource.password=abc
-
-quarkus.datasource.url=jdbc:mariadb://localhost:3306/querydb
-quarkus.datasource.driver=org.mariadb.jdbc.Driver
+quarkus.datasource.db-kind=mariadb
 quarkus.datasource.username=mary
 quarkus.datasource.password=abc
+quarkus.datasource.jdbc.url=jdbc:mariadb://localhost:3306/querydb

 quarkus.hibernate-orm.database.generation=drop-and-create

 quarkus.log.level=INFO

-quarkus.native.additional-build-args=--report-unsupported-elements-at-runtime
+quarkus.native.additional-build-args=--initialize-at-run-time=org.apache.http.impl.auth.NTLMEngineImpl
+quarkus.native.native-image-xmx=8192m
--- a/quarkus/query/src/test/java/org/fuin/cqrs4j/example/quarkus/query/api/QryPersonResourceIT.java
+++ b/quarkus/query/src/test/java/org/fuin/cqrs4j/example/quarkus/query/api/QryPersonResourceIT.java
@@ -31,71 +31,52 @@ import org.junit.jupiter.api.Test;
 import io.quarkus.test.junit.QuarkusTest;

@QuarkusTest
-public class QryPersonResourceIT {
-    
+class QryPersonResourceIT {
+
    @Inject
    IESHttpEventStore eventStore;
-    
+
    @Inject
    EntityManager em;

    @Test
-    public void testGetByIdNotFound() {
-        given()
-           .pathParam("id", UUID.randomUUID())
-        .when()
-           .get("/persons/{id}")
-        .then()
-           .statusCode(404);
+    void testGetByIdNotFound() {
+        given().pathParam("id", UUID.randomUUID()).when().get("/persons/{id}").then().statusCode(404);
    }

    @ActivateRequestContext
    public boolean findPerson(final PersonId personId) {
        return em.find(PersonListEntry.class, personId.asString()) != null;
    }
-    
+
    @Test
-    public void testGetByIdOK() {
-        
+    void testGetByIdOK() {
+
        // PREPARE
        final PersonId personId = new PersonId(UUID.randomUUID());
        final PersonName personName = new PersonName("Peter Parker");
        final SimpleStreamId personStreamId = new SimpleStreamId(PersonId.TYPE + "-" + personId);
        final PersonCreatedEvent event = new PersonCreatedEvent(personId, personName);
-        final CommonEvent ce = new SimpleCommonEvent(new EventId(event.getEventId().asBaseType()), 
-                new TypeName(event.getEventType().asBaseType()), event); 
+        final CommonEvent ce = new SimpleCommonEvent(new EventId(event.getEventId().asBaseType()),
+                new TypeName(event.getEventType().asBaseType()), event);
        eventStore.appendToStream(personStreamId, ce);
-                
+
        await().atMost(5, SECONDS).until(() -> findPerson(personId));
-        
+
        // TEST & VERIFY
-        
-        final PersonListEntry person =
-            given()
-               .pathParam("id", personId.asString())
-            .when()
-               .get("/persons/{id}")
-            .then()
-               .statusCode(200)
-               .extract()
-               .as(PersonListEntry.class);
+
+        final PersonListEntry person = given().pathParam("id", personId.asString()).when().get("/persons/{id}").then().statusCode(200)
+                .extract().as(PersonListEntry.class);
        assertThat(person.getId(), is(equalTo(personId)));
        assertThat(person.getName(), is(equalTo(personName)));

-        final PersonListEntry[] persons = 
-            given()
-            .when()
-               .get("/persons")
-            .then()
-               .statusCode(200)
-               .extract()
-               .as(PersonListEntry[].class);
+        final PersonListEntry[] persons = given().when().get("/persons").then().statusCode(200).extract().as(PersonListEntry[].class);

        assertThat(Arrays.asList(persons), is(not(empty())));
        final PersonListEntry person0 = persons[0];
        assertThat(person0.getId(), is(equalTo(personId)));
        assertThat(person0.getName(), is(equalTo(personName)));

-    }    
+    }

 }
--- a/quarkus/shared/pom.xml
+++ b/quarkus/shared/pom.xml
@@ -4,36 +4,17 @@
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

-    <groupId>org.fuin.cqrs4j.example.quarkus</groupId>
+	<parent>
+	    <groupId>org.fuin.cqrs4j.example.quarkus</groupId>
+	    <artifactId>cqrs4j-quarkus-example-root</artifactId>
+		<version>0.2.0-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
+	</parent>
+
    <artifactId>cqrs4j-quarkus-example-shared</artifactId>
-    <version>0.1.0</version>
    <name>cqrs4j-quarkus-example-shared</name>
    <description>Quarkus CQRS Shared Code for Demo Application</description>

-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-        <java.version>1.8</java.version>
-        <esc.version>0.3.1</esc.version>
-    </properties>
-
-    <dependencyManagement>
-
-        <dependencies>
-
-            <dependency>
-                <groupId>io.quarkus</groupId>
-                <artifactId>quarkus-universe-bom</artifactId>
-                <version>1.0.1.Final</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-
-        </dependencies>
-
-    </dependencyManagement>
-
    <dependencies>

        <!-- Compile -->
@@ -41,37 +22,32 @@
        <dependency>
            <groupId>org.fuin.cqrs4j.example</groupId>
            <artifactId>cqrs4j-example-shared</artifactId>
-            <version>0.1.0</version>
+            <version>0.2.0-SNAPSHOT</version>
        </dependency>

        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>ddd-4-java</artifactId>
-            <version>0.2.1</version>
        </dependency>

        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>cqrs-4-java</artifactId>
-            <version>0.2.1</version>
        </dependency>

        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>objects4j</artifactId>
-            <version>0.6.9</version>
        </dependency>

        <dependency>
            <groupId>org.fuin.esc</groupId>
            <artifactId>esc-esjc</artifactId>
-            <version>${esc.version}</version>
        </dependency>

        <dependency>
            <groupId>org.fuin.esc</groupId>
            <artifactId>esc-eshttp</artifactId>
-            <version>${esc.version}</version>
        </dependency>

        <dependency>
@@ -97,22 +73,11 @@
        <dependency>
            <groupId>org.hibernate.validator</groupId>
            <artifactId>hibernate-validator</artifactId>
-            <exclusions>
-                <exclusion>
-                    <artifactId>jaxb-impl</artifactId>
-                    <groupId>com.sun.xml.bind</groupId>
-                </exclusion>
-                <exclusion>
-                    <artifactId>jaxb-api</artifactId>
-                    <groupId>javax.xml.bind</groupId>
-                </exclusion>
-            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.glassfish</groupId>
-            <artifactId>javax.json</artifactId>
-            <version>1.1.4</version>
+            <artifactId>jakarta.json</artifactId>
        </dependency>

        <dependency>
@@ -130,55 +95,111 @@
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
-            <version>4.12</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.assertj</groupId>
            <artifactId>assertj-core</artifactId>
-            <version>3.10.0</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.fuin</groupId>
            <artifactId>units4j</artifactId>
-            <version>0.8.3</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>nl.jqno.equalsverifier</groupId>
            <artifactId>equalsverifier</artifactId>
-            <version>2.4.6</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
-            <version>2.6</version>
            <scope>test</scope>
        </dependency>

    </dependencies>

-    <repositories>
+	<build>

-        <repository>
-            <id>sonatype.oss.snapshots</id>
-            <name>Sonatype OSS Snapshot Repository</name>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-            <releases>
-                <enabled>false</enabled>
-            </releases>
-            <snapshots>
-                <updatePolicy>always</updatePolicy>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
+		<plugins>

-    </repositories>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-source-plugin</artifactId>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-javadoc-plugin</artifactId>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jar-plugin</artifactId>
+				<configuration>
+					<includes>
+						<include>**/*</include>
+					</includes>
+					<archive>
+						<manifestEntries>
+							<Automatic-Module-Name>org.fuin.cqrs4j.example.shared</Automatic-Module-Name>
+						</manifestEntries>
+					</archive>
+				</configuration>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jdeps-plugin</artifactId>
+			</plugin>
+
+		</plugins>
+
+		<pluginManagement>
+			
+			<plugins>
+			
+				<!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->
+				<plugin>
+					<groupId>org.eclipse.m2e</groupId>
+					<artifactId>lifecycle-mapping</artifactId>
+					<version>1.0.0</version>
+					<configuration>
+						<lifecycleMappingMetadata>
+							<pluginExecutions>
+								<pluginExecution>
+									<pluginExecutionFilter>
+										<groupId>org.apache.maven.plugins</groupId>
+										<artifactId>maven-jdeps-plugin</artifactId>
+										<versionRange>[3.1.2,)</versionRange>
+										<goals>
+											<goal>jdkinternals</goal>
+											<goal>test-jdkinternals</goal>
+										</goals>
+									</pluginExecutionFilter>
+									<action>
+										<ignore />
+									</action>
+								</pluginExecution>
+							</pluginExecutions>
+						</lifecycleMappingMetadata>
+					</configuration>
+				</plugin>
+
+			</plugins>
+			
+		</pluginManagement>
+
+	</build>

 </project>
--- a/quarkus/shared/src/main/java/org/fuin/cqrs4j/example/quarkus/shared/Config.java
+++ b/quarkus/shared/src/main/java/org/fuin/cqrs4j/example/quarkus/shared/Config.java
@@ -71,14 +71,19 @@ public class Config {
    /**
     * Constructor with all data.
     * 
-     * @param eventStoreHost     Host.
-     * @param eventStoreHttpPort HTTP port
-     * @param eventStoreTcpPort  TCP port.
-     * @param eventStoreUser     User.
-     * @param eventStorePassword Password.
+     * @param eventStoreHost
+     *            Host.
+     * @param eventStoreHttpPort
+     *            HTTP port
+     * @param eventStoreTcpPort
+     *            TCP port.
+     * @param eventStoreUser
+     *            User.
+     * @param eventStorePassword
+     *            Password.
     */
-    public Config(final String eventStoreHost, final int eventStoreHttpPort, final int eventStoreTcpPort,
-            final String eventStoreUser, final String eventStorePassword) {
+    public Config(final String eventStoreHost, final int eventStoreHttpPort, final int eventStoreTcpPort, final String eventStoreUser,
+            final String eventStorePassword) {
        super();
        this.eventStoreHost = eventStoreHost;
        this.eventStoreHttpPort = eventStoreHttpPort;
--- a/quarkus/shared/src/main/java/org/fuin/cqrs4j/example/quarkus/shared/EsjcEventStoreFactory.java
+++ b/quarkus/shared/src/main/java/org/fuin/cqrs4j/example/quarkus/shared/EsjcEventStoreFactory.java
@@ -30,8 +30,7 @@ public class EsjcEventStoreFactory {
    @ApplicationScoped
    public EventStore createESJC(final ManagedExecutor executor, final Config config) {
        return EventStoreBuilder.newBuilder().singleNodeAddress(config.getEventStoreHost(), config.getEventStoreTcpPort())
-                .executor(executor).userCredentials(config.getEventStoreUser(), config.getEventStorePassword())
-                .build();
+                .executor(executor).userCredentials(config.getEventStoreUser(), config.getEventStorePassword()).build();
    }

 }
--- a/quarkus/shared/src/main/java/org/fuin/cqrs4j/example/quarkus/shared/EventStoreFactory.java
+++ b/quarkus/shared/src/main/java/org/fuin/cqrs4j/example/quarkus/shared/EventStoreFactory.java
@@ -12,7 +12,7 @@
 */
 package org.fuin.cqrs4j.example.quarkus.shared;

-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ThreadFactory;

@@ -43,20 +43,22 @@ public class EventStoreFactory {
    /**
     * Creates an ESJC event store.<br>
     * <br>
-     * CAUTION: The returned event store instance is NOT thread safe. 
+     * CAUTION: The returned event store instance is NOT thread safe.
     * 
-     * @param es       Native event store API.
-     * @param registry Serialization registry.
+     * @param es
+     *            Native event store API.
+     * @param registry
+     *            Serialization registry.
     * 
     * @return Dependent scope event store.
-     */    
+     */
    @Produces
    @RequestScoped
-    public IESJCEventStore createEventStore(final com.github.msemys.esjc.EventStore es,
-            final SerDeserializerRegistry registry) {
+    public IESJCEventStore createEventStore(final com.github.msemys.esjc.EventStore es, final SerDeserializerRegistry registry) {
+
+        final IESJCEventStore eventstore = new ESJCEventStore.Builder().eventStore(es).serDesRegistry(registry)
+                .targetContentType(EnhancedMimeType.create("application", "json", StandardCharsets.UTF_8)).build();

-        final IESJCEventStore eventstore = new ESJCEventStore(es, registry, registry,
-                EnhancedMimeType.create("application", "json", Charset.forName("utf-8")));
        eventstore.open();
        return eventstore;

@@ -65,7 +67,8 @@ public class EventStoreFactory {
    /**
     * Closes the ESJC event store when the context is disposed.
     * 
-     * @param es Event store to close.
+     * @param es
+     *            Event store to close.
     */
    public void closeEventStore(@Disposes final IESJCEventStore es) {
        es.close();
@@ -92,8 +95,10 @@ public class EventStoreFactory {
                config.getEventStorePassword());
        credentialsProvider.setCredentials(AuthScope.ANY, credentials);
        final ThreadFactory threadFactory = Executors.defaultThreadFactory();
-        final IESHttpEventStore eventStore = new ESHttpEventStore(threadFactory, config.getEventStoreURL(), ESEnvelopeType.JSON, registry,
-                registry, credentialsProvider);
+
+        final IESHttpEventStore eventStore = new ESHttpEventStore.Builder().threadFactory(threadFactory).url(config.getEventStoreURL())
+                .envelopeType(ESEnvelopeType.JSON).serDesRegistry(registry).credentialsProvider(credentialsProvider).build();
+
        eventStore.open();
        return eventStore;

@@ -108,5 +113,5 @@ public class EventStoreFactory {
    public void closeEventStore(@Disposes final IESHttpEventStore es) {
        es.close();
    }
-    
+
 }
--- a/quarkus/shared/src/main/java/org/fuin/cqrs4j/example/quarkus/shared/JsonbFactory.java
+++ b/quarkus/shared/src/main/java/org/fuin/cqrs4j/example/quarkus/shared/JsonbFactory.java
@@ -34,8 +34,7 @@ public class JsonbFactory {
     */
    @Produces
    public Jsonb createJsonb() {
-        final JsonbConfig config = new JsonbConfig()
-                .withAdapters(SharedUtils.JSONB_ADAPTERS)
+        final JsonbConfig config = new JsonbConfig().withAdapters(SharedUtils.JSONB_ADAPTERS)
                .withPropertyVisibilityStrategy(new FieldAccessStrategy());
        return JsonbBuilder.create(config);
    }
--- a/quarkus/shared/src/main/java/org/fuin/cqrs4j/example/quarkus/shared/SerDeserializerRegistryFactory.java
+++ b/quarkus/shared/src/main/java/org/fuin/cqrs4j/example/quarkus/shared/SerDeserializerRegistryFactory.java
@@ -37,8 +37,7 @@ public class SerDeserializerRegistryFactory {
        final JsonbDeSerializer jsonbDeSer = SharedUtils.createJsonbDeSerializer();

        // Registry connects the type with the appropriate serializer and de-serializer
-        return SharedUtils.createSerDeserializerRegistry(typeRegistry,
-                jsonbDeSer);
+        return SharedUtils.createSerDeserializerRegistry(typeRegistry, jsonbDeSer);

    }

--- a/setup-lubuntu-developer-vm.sh
+++ b/setup-lubuntu-developer-vm.sh
@@ -1,38 +0,0 @@
-#!/bin/bash
-
-## Make sure hostname is set
-MY_HOSTNAME=$(hostname)
-if [ $(cat /etc/hosts | grep -c "$MY_HOSTNAME") -eq 0 ]; then
-  echo "Adding $MY_HOSTNAME to /etc/hosts"
-  sudo -- sh -c -e "echo '127.0.0.1   $MY_HOSTNAME' >> /etc/hosts"
-else
-  echo "Host '$MY_HOSTNAME' already found in /etc/hosts"
-fi
-
-## Make sure ZLIB is in place
-if [ $(dpkg-query -W -f='${Status}' zlib1g-dev 2>/dev/null | grep -c "ok installed") -eq 0 ]; then
-  sudo apt-get install zlib1g-dev
-else
-  echo "zlib1g-dev already installed"
-fi
-
-## Install GraalVM 19.2.x (Based on OpenJDK 1.8.x)
-. $SDKMAN_DIR/bin/sdkman-init.sh
-if [ $(sdk list java | grep -c "installed  | 19.2.1-grl") -eq 0 ]; then
-  sdk update
-  sdk install java 19.2.1-grl
-else
-  echo "GraalVM 19.2.x already installed"
-fi
-
-## Configure GraalVM
-if grep -q "export GRAALVM_HOME" ~/.profile; then
-   echo "GraalVM already exists in ~/.profile" 
-else
-   echo "Appending export of GRAALVM_HOME to ~/.profile" 
-   echo "export GRAALVM_HOME=\"/home/developer/.sdkman/candidates/java/19.2.1-grl\"" >> ~/.profile
-   source ~/.profile   
-   $GRAALVM_HOME/bin/gu install native-image
-fi
-
-echo "Setup successfully finished"
--- a/shared/.mvn/wrapper/MavenWrapperDownloader.java
+++ b/shared/.mvn/wrapper/MavenWrapperDownloader.java
@@ -1,38 +1,31 @@
 /*
-Licensed to the Apache Software Foundation (ASF) under one
-or more contributor license agreements.  See the NOTICE file
-distributed with this work for additional information
-regarding copyright ownership.  The ASF licenses this file
-to you under the Apache License, Version 2.0 (the
-"License"); you may not use this file except in compliance
-with the License.  You may obtain a copy of the License at
-
-  https://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing,
-software distributed under the License is distributed on an
-"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-KIND, either express or implied.  See the License for the
-specific language governing permissions and limitations
-under the License.
-*/
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.net.URL;
-import java.nio.channels.Channels;
-import java.nio.channels.ReadableByteChannel;
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
 import java.util.Properties;

 public class MavenWrapperDownloader {

+    private static final String WRAPPER_VERSION = "0.5.6";
    /**
     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
     */
-    private static final String DEFAULT_DOWNLOAD_URL =
-            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";

    /**
     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
@@ -80,13 +73,13 @@ public class MavenWrapperDownloader {
                }
            }
        }
-        System.out.println("- Downloading from: : " + url);
+        System.out.println("- Downloading from: " + url);

        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
        if(!outputFile.getParentFile().exists()) {
            if(!outputFile.getParentFile().mkdirs()) {
                System.out.println(
-                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
            }
        }
        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
@@ -102,6 +95,16 @@ public class MavenWrapperDownloader {
    }

    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
        URL website = new URL(urlString);
        ReadableByteChannel rbc;
        rbc = Channels.newChannel(website.openStream());
--- a/shared/.mvn/wrapper/maven-wrapper.jar
+++ b/shared/.mvn/wrapper/maven-wrapper.jar
--- a/shared/.mvn/wrapper/maven-wrapper.properties
+++ b/shared/.mvn/wrapper/maven-wrapper.properties
@@ -1 +1,2 @@
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
--- a/shared/mvnw
+++ b/shared/mvnw
@@ -8,7 +8,7 @@
 # "License"); you may not use this file except in compliance
 # with the License.  You may obtain a copy of the License at
 #
-#    https://www.apache.org/licenses/LICENSE-2.0
+#    http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
@@ -19,7 +19,7 @@
 # ----------------------------------------------------------------------------

 # ----------------------------------------------------------------------------
-# Maven2 Start Up Batch script
+# Maven Start Up Batch script
 #
 # Required ENV vars:
 # ------------------
@@ -114,7 +114,6 @@ if $mingw ; then
    M2_HOME="`(cd "$M2_HOME"; pwd)`"
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
-  # TODO classpath?
 fi

 if [ -z "$JAVA_HOME" ]; then
@@ -212,7 +211,11 @@ else
    if [ "$MVNW_VERBOSE" = true ]; then
      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
    fi
-    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    else
+      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    fi
    while IFS="=" read key value; do
      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
      esac
@@ -221,22 +224,38 @@ else
      echo "Downloading from: $jarUrl"
    fi
    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+    if $cygwin; then
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+    fi

    if command -v wget > /dev/null; then
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Found wget ... using wget"
        fi
-        wget "$jarUrl" -O "$wrapperJarPath"
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
+        fi
    elif command -v curl > /dev/null; then
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Found curl ... using curl"
        fi
-        curl -o "$wrapperJarPath" "$jarUrl"
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
    else
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Falling back to using Java to download"
        fi
        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
        if [ -e "$javaClass" ]; then
            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
                if [ "$MVNW_VERBOSE" = true ]; then
@@ -277,6 +296,11 @@ if $cygwin; then
    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
 fi

+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
 WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain

 exec "$JAVACMD" \
--- a/shared/mvnw.cmd
+++ b/shared/mvnw.cmd
@@ -7,7 +7,7 @@
@REM "License"); you may not use this file except in compliance
@REM with the License.  You may obtain a copy of the License at
@REM
-@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM    http://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@@ -18,7 +18,7 @@
@REM ----------------------------------------------------------------------------

@REM ----------------------------------------------------------------------------
-@REM Maven2 Start Up Batch script
+@REM Maven Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@@ -26,7 +26,7 @@
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
-@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM     e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@@ -37,7 +37,7 @@
@echo off
@REM set title of command window
 title %0
-@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%

@REM set %HOME% to equivalent of $HOME
@@ -120,23 +120,44 @@ SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
 set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
 set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain

-set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
-FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
-	IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+
+FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
 )

@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
 if exist %WRAPPER_JAR% (
-    echo Found %WRAPPER_JAR%
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
 ) else (
-    echo Couldn't find %WRAPPER_JAR%, downloading it ...
-	echo Downloading from: %DOWNLOAD_URL%
-    powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
-    echo Finished downloading %WRAPPER_JAR%
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
 )
@REM End of extension

+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
 %MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
 if ERRORLEVEL 1 goto error
 goto end
--- a/shared/pom.xml
+++ b/shared/pom.xml
@@ -1,166 +1,197 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>

-    <groupId>org.fuin.cqrs4j.example</groupId>
-    <artifactId>cqrs4j-example-shared</artifactId>
-    <version>0.1.0</version>
-    <name>cqrs4j-example-shared</name>
-    <description>Shared code for all demo applications and client &amp; server</description>
+	<parent>
+		<groupId>org.fuin.cqrs4j.example</groupId>
+		<artifactId>cqrs4j-example-root</artifactId>
+		<version>0.2.0-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
+	</parent>

-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-        <java.version>1.8</java.version>
-        <esc.version>0.3.1</esc.version>
-    </properties>
+	<artifactId>cqrs4j-example-shared</artifactId>
+	<name>cqrs4j-example-shared</name>
+	<description>Shared code for all demo applications and client &amp; server</description>

-    <dependencies>
+	<dependencies>

-        <!-- Compile -->
+		<!-- Compile -->

-        <dependency>
-            <groupId>org.fuin</groupId>
-            <artifactId>ddd-4-java</artifactId>
-            <version>0.2.1</version>
-        </dependency>
+		<dependency>
+			<groupId>org.fuin</groupId>
+			<artifactId>ddd-4-java</artifactId>
+		</dependency>

-        <dependency>
-            <groupId>org.fuin</groupId>
-            <artifactId>cqrs-4-java</artifactId>
-            <version>0.2.1</version>
-        </dependency>
+		<dependency>
+			<groupId>org.fuin</groupId>
+			<artifactId>cqrs-4-java</artifactId>
+		</dependency>

-        <dependency>
-            <groupId>org.fuin</groupId>
-            <artifactId>objects4j</artifactId>
-            <version>0.6.9</version>
-        </dependency>
+		<dependency>
+			<groupId>org.fuin</groupId>
+			<artifactId>objects4j</artifactId>
+		</dependency>

-        <dependency>
-            <groupId>org.fuin.esc</groupId>
-            <artifactId>esc-api</artifactId>
-            <version>${esc.version}</version>
-        </dependency>
+		<dependency>
+			<groupId>org.fuin.esc</groupId>
+			<artifactId>esc-api</artifactId>
+		</dependency>

-        <dependency>
-            <groupId>org.fuin.esc</groupId>
-            <artifactId>esc-spi</artifactId>
-            <version>${esc.version}</version>
-        </dependency>
+		<dependency>
+			<groupId>org.fuin.esc</groupId>
+			<artifactId>esc-spi</artifactId>
+		</dependency>

-        <dependency>
-            <groupId>org.slf4j</groupId>
-            <artifactId>slf4j-api</artifactId>
-            <version>1.7.25</version>
-        </dependency>
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-api</artifactId>
+		</dependency>

-        <dependency>
-            <groupId>javax.validation</groupId>
-            <artifactId>validation-api</artifactId>
-            <version>2.0.1.Final</version>
-        </dependency>
+		<dependency>
+			<groupId>jakarta.validation</groupId>
+			<artifactId>jakarta.validation-api</artifactId>
+		</dependency>

-        <dependency>
-            <groupId>javax.json.bind</groupId>
-            <artifactId>javax.json.bind-api</artifactId>
-            <version>1.0</version>
-        </dependency>
+		<dependency>
+            <groupId>jakarta.json.bind</groupId>
+            <artifactId>jakarta.json.bind-api</artifactId>
+		</dependency>

-        <dependency>
-            <groupId>jakarta.persistence</groupId>
-            <artifactId>jakarta.persistence-api</artifactId>
-            <version>2.2.3</version>
-        </dependency>
+		<dependency>
+			<groupId>jakarta.persistence</groupId>
+			<artifactId>jakarta.persistence-api</artifactId>
+		</dependency>

-        <!-- Test -->
+		<!-- Test -->

-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.12</version>
-            <scope>test</scope>
-        </dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<scope>test</scope>
+		</dependency>

-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>3.10.0</version>
-            <scope>test</scope>
-        </dependency>
+		<dependency>
+			<groupId>org.assertj</groupId>
+			<artifactId>assertj-core</artifactId>
+			<scope>test</scope>
+		</dependency>

-        <dependency>
-            <groupId>org.fuin</groupId>
-            <artifactId>units4j</artifactId>
-            <version>0.8.3</version>
-            <scope>test</scope>
-        </dependency>
+		<dependency>
+			<groupId>org.fuin</groupId>
+			<artifactId>units4j</artifactId>
+			<scope>test</scope>
+		</dependency>

-        <dependency>
-            <groupId>nl.jqno.equalsverifier</groupId>
-            <artifactId>equalsverifier</artifactId>
-            <version>2.4.6</version>
-            <scope>test</scope>
-        </dependency>
+		<dependency>
+			<groupId>nl.jqno.equalsverifier</groupId>
+			<artifactId>equalsverifier</artifactId>
+			<scope>test</scope>
+		</dependency>

-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>2.6</version>
-            <scope>test</scope>
-        </dependency>
+		<dependency>
+			<groupId>commons-io</groupId>
+			<artifactId>commons-io</artifactId>
+			<scope>test</scope>
+		</dependency>

-        <dependency>
-            <groupId>org.hibernate.validator</groupId>
-            <artifactId>hibernate-validator</artifactId>
-            <version>6.0.10.Final</version>
-            <scope>test</scope>
-            <exclusions>
-                <exclusion>
-                    <artifactId>jaxb-impl</artifactId>
-                    <groupId>com.sun.xml.bind</groupId>
-                </exclusion>
-                <exclusion>
-                    <artifactId>jaxb-api</artifactId>
-                    <groupId>javax.xml.bind</groupId>
-                </exclusion>
-            </exclusions>
-        </dependency>
+		<dependency>
+			<groupId>org.hibernate.validator</groupId>
+			<artifactId>hibernate-validator</artifactId>
+			<scope>test</scope>
+		</dependency>

-        <dependency>
+		<dependency>
            <groupId>org.glassfish</groupId>
-            <artifactId>javax.json</artifactId>
-            <version>1.1.4</version>
-            <scope>test</scope>
-        </dependency>
+            <artifactId>jakarta.json</artifactId>
+			<scope>test</scope>
+		</dependency>

-        <dependency>
-            <groupId>org.eclipse</groupId>
-            <artifactId>yasson</artifactId>
-            <version>1.0.3</version>
-            <scope>test</scope>
-        </dependency>
+		<dependency>
+			<groupId>org.eclipse</groupId>
+			<artifactId>yasson</artifactId>
+			<scope>test</scope>
+		</dependency>

-    </dependencies>
+	</dependencies>

-    <repositories>
+	<build>

-        <repository>
-            <id>sonatype.oss.snapshots</id>
-            <name>Sonatype OSS Snapshot Repository</name>
-            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
-            <releases>
-                <enabled>false</enabled>
-            </releases>
-            <snapshots>
-                <updatePolicy>always</updatePolicy>
-                <enabled>true</enabled>
-            </snapshots>
-        </repository>
+		<plugins>

-    </repositories>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-source-plugin</artifactId>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-javadoc-plugin</artifactId>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jar-plugin</artifactId>
+				<configuration>
+					<includes>
+						<include>**/*</include>
+					</includes>
+					<archive>
+						<manifestEntries>
+							<Automatic-Module-Name>org.fuin.cqrs4j.example.shared</Automatic-Module-Name>
+						</manifestEntries>
+					</archive>
+				</configuration>
+			</plugin>
+
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jdeps-plugin</artifactId>
+			</plugin>
+
+		</plugins>
+
+		<pluginManagement>
+			
+			<plugins>
+			
+				<!--This plugin's configuration is used to store Eclipse m2e settings only. It has no influence on the Maven build itself.-->
+				<plugin>
+					<groupId>org.eclipse.m2e</groupId>
+					<artifactId>lifecycle-mapping</artifactId>
+					<version>1.0.0</version>
+					<configuration>
+						<lifecycleMappingMetadata>
+							<pluginExecutions>
+								<pluginExecution>
+									<pluginExecutionFilter>
+										<groupId>org.apache.maven.plugins</groupId>
+										<artifactId>maven-jdeps-plugin</artifactId>
+										<versionRange>[3.1.2,)</versionRange>
+										<goals>
+											<goal>jdkinternals</goal>
+											<goal>test-jdkinternals</goal>
+										</goals>
+									</pluginExecutionFilter>
+									<action>
+										<ignore />
+									</action>
+								</pluginExecution>
+							</pluginExecutions>
+						</lifecycleMappingMetadata>
+					</configuration>
+				</plugin>
+
+			</plugins>
+			
+		</pluginManagement>
+
+	</build>

 </project>
--- a/shared/src/main/java/org/fuin/cqrs4j/example/shared/CreatePersonCommand.java
+++ b/shared/src/main/java/org/fuin/cqrs4j/example/shared/CreatePersonCommand.java
@@ -17,7 +17,6 @@
 */
 package org.fuin.cqrs4j.example.shared;

-import javax.annotation.concurrent.Immutable;
 import javax.json.bind.annotation.JsonbProperty;
 import javax.validation.constraints.NotNull;

@@ -26,6 +25,7 @@ import org.fuin.ddd4j.ddd.DomainEventExpectedEntityIdPath;
 import org.fuin.ddd4j.ddd.EventType;
 import org.fuin.esc.spi.SerializedDataType;
 import org.fuin.objects4j.common.Contract;
+import org.fuin.objects4j.common.Immutable;

 /**
 * A new person should be created in the system.
@@ -56,8 +56,10 @@ public final class CreatePersonCommand extends AbstractAggregateCommand<PersonId
    /**
     * A new person was created in the system.
     *
-     * @param id   Identifies uniquely a person.
-     * @param name Name of a person.
+     * @param id
+     *            Identifies uniquely a person.
+     * @param name
+     *            Name of a person.
     */
    public CreatePersonCommand(@NotNull final PersonId id, @NotNull final PersonName name) {
        super(id, null);
--- a/shared/src/main/java/org/fuin/cqrs4j/example/shared/PersonCreatedEvent.java
+++ b/shared/src/main/java/org/fuin/cqrs4j/example/shared/PersonCreatedEvent.java
@@ -17,7 +17,6 @@
 */
 package org.fuin.cqrs4j.example.shared;

-import javax.annotation.concurrent.Immutable;
 import javax.json.bind.annotation.JsonbProperty;
 import javax.validation.constraints.NotNull;

@@ -26,6 +25,7 @@ import org.fuin.ddd4j.ddd.EntityIdPath;
 import org.fuin.ddd4j.ddd.EventType;
 import org.fuin.esc.spi.SerializedDataType;
 import org.fuin.objects4j.common.Contract;
+import org.fuin.objects4j.common.Immutable;

 /**
 * A new person was created in the system.
@@ -55,8 +55,10 @@ public final class PersonCreatedEvent extends AbstractDomainEvent<PersonId> {
    /**
     * A new person was created in the system.
     *
-     * @param id   Identifies uniquely a person.
-     * @param name Name of a person.
+     * @param id
+     *            Identifies uniquely a person.
+     * @param name
+     *            Name of a person.
     */
    public PersonCreatedEvent(@NotNull final PersonId id, @NotNull final PersonName name) {
        super(new EntityIdPath(id));
--- a/shared/src/main/java/org/fuin/cqrs4j/example/shared/PersonId.java
+++ b/shared/src/main/java/org/fuin/cqrs4j/example/shared/PersonId.java
@@ -19,13 +19,13 @@ package org.fuin.cqrs4j.example.shared;

 import java.util.UUID;

-import javax.annotation.concurrent.Immutable;
 import javax.json.bind.adapter.JsonbAdapter;
 import javax.validation.constraints.NotNull;

 import org.fuin.ddd4j.ddd.AggregateRootUuid;
 import org.fuin.ddd4j.ddd.EntityType;
 import org.fuin.ddd4j.ddd.StringBasedEntityType;
+import org.fuin.objects4j.common.Immutable;
 import org.fuin.objects4j.ui.Label;
 import org.fuin.objects4j.ui.ShortLabel;
 import org.fuin.objects4j.ui.Tooltip;
--- a/shared/src/main/java/org/fuin/cqrs4j/example/shared/PersonName.java
+++ b/shared/src/main/java/org/fuin/cqrs4j/example/shared/PersonName.java
@@ -23,7 +23,6 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;

-import javax.annotation.concurrent.Immutable;
 import javax.json.bind.adapter.JsonbAdapter;
 import javax.validation.Constraint;
 import javax.validation.ConstraintValidator;
@@ -32,6 +31,7 @@ import javax.validation.Payload;
 import javax.validation.constraints.NotNull;

 import org.fuin.objects4j.common.ConstraintViolationException;
+import org.fuin.objects4j.common.Immutable;
 import org.fuin.objects4j.ui.Label;
 import org.fuin.objects4j.ui.ShortLabel;
 import org.fuin.objects4j.ui.Tooltip;
@@ -66,7 +66,8 @@ public final class PersonName extends AbstractStringValueObject {
    /**
     * Constructor with mandatory data.
     * 
-     * @param value Value.
+     * @param value
+     *            Value.
     */
    public PersonName(final String value) {
        super();
@@ -83,14 +84,14 @@ public final class PersonName extends AbstractStringValueObject {
    public final String toString() {
        return value;
    }
-    
+
    /**
     * Verifies that a given string can be converted into the type.
     * 
-     * @param value Value to validate.
+     * @param value
+     *            Value to validate.
     * 
-     * @return Returns <code>true</code> if it's a valid type else
-     *         <code>false</code>.
+     * @return Returns <code>true</code> if it's a valid type else <code>false</code>.
     */
    public static boolean isValid(final String value) {
        if (value == null) {
@@ -107,16 +108,17 @@ public final class PersonName extends AbstractStringValueObject {
    }

    /**
-     * Verifies if the argument is valid and throws an exception if this is not the
-     * case.
+     * Verifies if the argument is valid and throws an exception if this is not the case.
     * 
-     * @param name  Name of the value for a possible error message.
-     * @param value Value to check.
+     * @param name
+     *            Name of the value for a possible error message.
+     * @param value
+     *            Value to check.
     * 
-     * @throws ConstraintViolationException The value was not valid.
+     * @throws ConstraintViolationException
+     *             The value was not valid.
     */
-    public static void requireArgValid(@NotNull final String name, @NotNull final String value)
-            throws ConstraintViolationException {
+    public static void requireArgValid(@NotNull final String name, @NotNull final String value) throws ConstraintViolationException {

        if (!PersonName.isValid(value)) {
            throw new ConstraintViolationException("The argument '" + name + "' is not valid: '" + value + "'");
@@ -163,8 +165,7 @@ public final class PersonName extends AbstractStringValueObject {
    /**
     * Converts the value object from/to string.
     */
-    public static final class Converter
-            implements ValueObjectConverter<String, PersonName>, JsonbAdapter<PersonName, String> {
+    public static final class Converter implements ValueObjectConverter<String, PersonName>, JsonbAdapter<PersonName, String> {

        // Attribute Converter

--- a/shared/src/main/java/org/fuin/cqrs4j/example/shared/SharedEntityIdFactory.java
+++ b/shared/src/main/java/org/fuin/cqrs4j/example/shared/SharedEntityIdFactory.java
@@ -29,42 +29,42 @@ import org.fuin.ddd4j.ddd.EntityIdFactory;
 */
 public final class SharedEntityIdFactory implements EntityIdFactory {

-	private Map<String, Function<String, EntityId>> valueOfMap;
+    private Map<String, Function<String, EntityId>> valueOfMap;

-	private Map<String, Function<String, Boolean>> isValidMap;
+    private Map<String, Function<String, Boolean>> isValidMap;

-	/**
-	 * Default constructor.
-	 */
-	public SharedEntityIdFactory() {
-		super();
-		valueOfMap = new HashMap<>();
-		isValidMap = new HashMap<>();
-		valueOfMap.put(PersonId.TYPE.asString(), PersonId::valueOf);
-		isValidMap.put(PersonId.TYPE.asString(), PersonId::isValid);
-	}
+    /**
+     * Default constructor.
+     */
+    public SharedEntityIdFactory() {
+        super();
+        valueOfMap = new HashMap<>();
+        isValidMap = new HashMap<>();
+        valueOfMap.put(PersonId.TYPE.asString(), PersonId::valueOf);
+        isValidMap.put(PersonId.TYPE.asString(), PersonId::isValid);
+    }

-	@Override
-	public EntityId createEntityId(final String type, final String id) {
-		final Function<String, EntityId> factory = valueOfMap.get(type);
-		if (factory == null) {
-			throw new IllegalArgumentException("Unknown type: " + type);
-		}
-		return factory.apply(id);
-	}
+    @Override
+    public EntityId createEntityId(final String type, final String id) {
+        final Function<String, EntityId> factory = valueOfMap.get(type);
+        if (factory == null) {
+            throw new IllegalArgumentException("Unknown type: " + type);
+        }
+        return factory.apply(id);
+    }

-	@Override
-	public boolean containsType(final String type) {
-		return valueOfMap.containsKey(type);
-	}
+    @Override
+    public boolean containsType(final String type) {
+        return valueOfMap.containsKey(type);
+    }

-	@Override
-	public boolean isValid(String type, String id) {
-		final Function<String, Boolean> func = isValidMap.get(type);
-		if (func == null) {
-			return false;
-		}
-		return func.apply(id);
-	}
+    @Override
+    public boolean isValid(String type, String id) {
+        final Function<String, Boolean> func = isValidMap.get(type);
+        if (func == null) {
+            return false;
+        }
+        return func.apply(id);
+    }

 }
--- a/shared/src/main/java/org/fuin/cqrs4j/example/shared/SharedUtils.java
+++ b/shared/src/main/java/org/fuin/cqrs4j/example/shared/SharedUtils.java
@@ -19,7 +19,9 @@ package org.fuin.cqrs4j.example.shared;

 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.util.Collection;
+import java.util.zip.Adler32;

 import javax.json.bind.adapter.JsonbAdapter;
 import javax.json.bind.config.PropertyVisibilityStrategy;
@@ -28,6 +30,7 @@ import org.fuin.ddd4j.ddd.AggregateVersionConverter;
 import org.fuin.ddd4j.ddd.EntityIdConverter;
 import org.fuin.ddd4j.ddd.EntityIdPathConverter;
 import org.fuin.ddd4j.ddd.EventIdConverter;
+import org.fuin.ddd4j.ddd.EventType;
 import org.fuin.esc.spi.Base64Data;
 import org.fuin.esc.spi.EscEvent;
 import org.fuin.esc.spi.EscEvents;
@@ -45,12 +48,14 @@ import org.fuin.esc.spi.SimpleSerializerDeserializerRegistry;
 */
 public final class SharedUtils {

+    private static final String APPLICATION_JSON = "application/json";
+
    /** All types that will be written into and read from the event store. */
-    private static TypeClass[] USER_DEFINED_TYPES = new TypeClass[] {
+    private static final TypeClass[] USER_DEFINED_TYPES = new TypeClass[] {
            new TypeClass(PersonCreatedEvent.SER_TYPE, PersonCreatedEvent.class) };

    /** All JSON-B adapters from this module. */
-    public static JsonbAdapter<?, ?>[] JSONB_ADAPTERS = new JsonbAdapter<?, ?>[] { new EventIdConverter(),
+    public static final JsonbAdapter<?, ?>[] JSONB_ADAPTERS = new JsonbAdapter<?, ?>[] { new EventIdConverter(),
            new EntityIdPathConverter(new SharedEntityIdFactory()), new EntityIdConverter(new SharedEntityIdFactory()),
            new AggregateVersionConverter(), new PersonId.Converter(), new PersonName.Converter() };

@@ -98,14 +103,14 @@ public final class SharedUtils {
        final SimpleSerializerDeserializerRegistry registry = new SimpleSerializerDeserializerRegistry();

        // Base types always needed
-        registry.add(EscEvents.SER_TYPE, "application/json", jsonbDeSer);
-        registry.add(EscEvent.SER_TYPE, "application/json", jsonbDeSer);
-        registry.add(EscMeta.SER_TYPE, "application/json", jsonbDeSer);
-        registry.add(Base64Data.SER_TYPE, "application/json", jsonbDeSer);
+        registry.add(EscEvents.SER_TYPE, APPLICATION_JSON, jsonbDeSer);
+        registry.add(EscEvent.SER_TYPE, APPLICATION_JSON, jsonbDeSer);
+        registry.add(EscMeta.SER_TYPE, APPLICATION_JSON, jsonbDeSer);
+        registry.add(Base64Data.SER_TYPE, APPLICATION_JSON, jsonbDeSer);

        // User defined types
        for (final TypeClass tc : USER_DEFINED_TYPES) {
-            registry.add(tc.getType(), "application/json", jsonbDeSer);
+            registry.add(tc.getType(), APPLICATION_JSON, jsonbDeSer);
        }
        jsonbDeSer.init(typeRegistry, registry, registry);

@@ -126,9 +131,7 @@ public final class SharedUtils {
        final JsonbDeSerializer jsonbDeSer = SharedUtils.createJsonbDeSerializer();

        // Registry connects the type with the appropriate serializer and de-serializer
-        final SerDeserializerRegistry serDeserRegistry = SharedUtils.createSerDeserializerRegistry(typeRegistry, jsonbDeSer);
-
-        return serDeserRegistry;
+        return SharedUtils.createSerDeserializerRegistry(typeRegistry, jsonbDeSer);

    }

@@ -141,12 +144,28 @@ public final class SharedUtils {

        return JsonbDeSerializer.builder().withSerializers(EscSpiUtils.createEscJsonbSerializers())
                .withDeserializers(EscSpiUtils.createEscJsonbDeserializers()).withAdapters(JSONB_ADAPTERS)
-                .withPropertyVisibilityStrategy(new FieldAccessStrategy()).withEncoding(Charset.forName("utf-8")).build();
+                .withPropertyVisibilityStrategy(new FieldAccessStrategy()).withEncoding(StandardCharsets.UTF_8).build();

    }
-    
+
+    /**
+     * Creates an Adler32 checksum based on on event type names.
+     * 
+     * @param eventTypes
+     *            Types to calculate a checksum for.
+     * 
+     * @return Checksum based on all names.
+     */
+    public static long calculateChecksum(final Collection<EventType> eventTypes) {
+        final Adler32 checksum = new Adler32();
+        for (final EventType eventType : eventTypes) {
+            checksum.update(eventType.asBaseType().getBytes(StandardCharsets.US_ASCII));
+        }
+        return checksum.getValue();
+    }
+
    private static class FieldAccessStrategy implements PropertyVisibilityStrategy {
-        
+
        @Override
        public boolean isVisible(Field field) {
            return true;
@@ -156,9 +175,9 @@ public final class SharedUtils {
        public boolean isVisible(Method method) {
            return false;
        }
-        
-    }   
-    
+
+    }
+
    /**
     * Helper class for type/class combination.
     */
--- a/shared/src/test/java/org/fuin/cqrs4j/example/shared/CreatePersonCommandTest.java
+++ b/shared/src/test/java/org/fuin/cqrs4j/example/shared/CreatePersonCommandTest.java
@@ -35,74 +35,72 @@ import org.junit.Test;

 // CHECKSTYLE:OFF
 public final class CreatePersonCommandTest {
-	
-	private static final String PERSON_UUID = "84565d62-115e-4502-b7c9-38ad69c64b05";

+    private static final String PERSON_UUID = "84565d62-115e-4502-b7c9-38ad69c64b05";

-	@Test
-	public final void testSerializeDeserialize() {
+    @Test
+    public final void testSerializeDeserialize() {

-		// PREPARE
-		final CreatePersonCommand original = createTestee();
+        // PREPARE
+        final CreatePersonCommand original = createTestee();

-		// TEST
-		final CreatePersonCommand copy = Utils4J.deserialize(Utils4J.serialize(original));
+        // TEST
+        final CreatePersonCommand copy = Utils4J.deserialize(Utils4J.serialize(original));

-		// VERIFY
-		assertThat(copy).isEqualTo(original);
-		assertThat(copy.getAggregateRootId()).isEqualTo(original.getAggregateRootId());
-		assertThat(copy.getName()).isEqualTo(original.getName());
+        // VERIFY
+        assertThat(copy).isEqualTo(original);
+        assertThat(copy.getAggregateRootId()).isEqualTo(original.getAggregateRootId());
+        assertThat(copy.getName()).isEqualTo(original.getName());

-	}
+    }

-	@Test
-	public final void testMarshalUnmarshalJson() {
+    @Test
+    public final void testMarshalUnmarshalJson() {

-		// PREPARE
-		final CreatePersonCommand original = createTestee();
+        // PREPARE
+        final CreatePersonCommand original = createTestee();

-		final JsonbConfig config = new JsonbConfig().withAdapters(SharedUtils.JSONB_ADAPTERS)
-				.withPropertyVisibilityStrategy(new FieldAccessStrategy());
-		final Jsonb jsonb = JsonbBuilder.create(config);
+        final JsonbConfig config = new JsonbConfig().withAdapters(SharedUtils.JSONB_ADAPTERS)
+                .withPropertyVisibilityStrategy(new FieldAccessStrategy());
+        final Jsonb jsonb = JsonbBuilder.create(config);

-		// TEST
-		final String json = jsonb.toJson(original, CreatePersonCommand.class);
-		final CreatePersonCommand copy = jsonb.fromJson(json, CreatePersonCommand.class);
+        // TEST
+        final String json = jsonb.toJson(original, CreatePersonCommand.class);
+        final CreatePersonCommand copy = jsonb.fromJson(json, CreatePersonCommand.class);

-		// VERIFY
-		assertThat(copy).isEqualTo(original);
-		assertThat(copy.getAggregateRootId()).isEqualTo(original.getAggregateRootId());
-		assertThat(copy.getName()).isEqualTo(original.getName());
+        // VERIFY
+        assertThat(copy).isEqualTo(original);
+        assertThat(copy.getAggregateRootId()).isEqualTo(original.getAggregateRootId());
+        assertThat(copy.getName()).isEqualTo(original.getName());

-	}
+    }

-	@Test
-	public final void testUnmarshalJsonFromFile() throws IOException {
+    @Test
+    public final void testUnmarshalJsonFromFile() throws IOException {

-		// PREPARE
+        // PREPARE
        final String json = IOUtils.toString(this.getClass().getResourceAsStream("/commands/CreatePersonCommand.json"),
                Charset.forName("utf-8"));
-		final JsonbConfig config = new JsonbConfig().withAdapters(SharedUtils.JSONB_ADAPTERS)
-				.withPropertyVisibilityStrategy(new FieldAccessStrategy());
-		final Jsonb jsonb = JsonbBuilder.create(config);
-		
+        final JsonbConfig config = new JsonbConfig().withAdapters(SharedUtils.JSONB_ADAPTERS)
+                .withPropertyVisibilityStrategy(new FieldAccessStrategy());
+        final Jsonb jsonb = JsonbBuilder.create(config);

-		// TEST
-		final CreatePersonCommand copy = jsonb.fromJson(json, CreatePersonCommand.class);
+        // TEST
+        final CreatePersonCommand copy = jsonb.fromJson(json, CreatePersonCommand.class);

-		// VERIFY
-		assertThat(copy.getEventId().asBaseType()).isEqualTo(UUID.fromString("109a77b2-1de2-46fc-aee1-97fa7740a552"));
-		assertThat(copy.getTimestamp()).isEqualTo(ZonedDateTime.parse("2019-11-17T10:27:13.183+01:00[Europe/Berlin]"));
-		assertThat(copy.getAggregateRootId().asString()).isEqualTo(PERSON_UUID);
-		assertThat(copy.getName().asString()).isEqualTo("Peter Parker");
+        // VERIFY
+        assertThat(copy.getEventId().asBaseType()).isEqualTo(UUID.fromString("109a77b2-1de2-46fc-aee1-97fa7740a552"));
+        assertThat(copy.getEventTimestamp()).isEqualTo(ZonedDateTime.parse("2019-11-17T10:27:13.183+01:00[Europe/Berlin]"));
+        assertThat(copy.getAggregateRootId().asString()).isEqualTo(PERSON_UUID);
+        assertThat(copy.getName().asString()).isEqualTo("Peter Parker");

-	}
+    }

-	private CreatePersonCommand createTestee() {
-		final PersonId personId = new PersonId(UUID.fromString(PERSON_UUID));
-		final PersonName personName = new PersonName("Peter Parker");
-		return new CreatePersonCommand(personId, personName);
-	}
+    private CreatePersonCommand createTestee() {
+        final PersonId personId = new PersonId(UUID.fromString(PERSON_UUID));
+        final PersonName personName = new PersonName("Peter Parker");
+        return new CreatePersonCommand(personId, personName);
+    }

 }
 // CHECKSTYLE:ON
--- a/shared/src/test/java/org/fuin/cqrs4j/example/shared/PersonCreatedEventTest.java
+++ b/shared/src/test/java/org/fuin/cqrs4j/example/shared/PersonCreatedEventTest.java
@@ -33,7 +33,6 @@ import org.apache.commons.io.IOUtils;
 import org.eclipse.yasson.FieldAccessStrategy;
 import org.junit.Test;

-
 // CHECKSTYLE:OFF
 public final class PersonCreatedEventTest {

@@ -71,7 +70,7 @@ public final class PersonCreatedEventTest {
        assertThat(copy.getName()).isEqualTo(original.getName());

    }
-    
+
    @Test
    public final void testUnmarshalJson() throws IOException {

@@ -92,12 +91,11 @@ public final class PersonCreatedEventTest {

    }

-
    @Test
    public final void testToString() {
        final PersonCreatedEvent testee = createTestee();
-        assertThat(testee.toString())
-                .isEqualTo("Person 'Peter Parker' (" + testee.getEntityId() + ") was created [Event " + testee.getEventId() + "]");
+        assertThat(testee)
+                .hasToString("Person 'Peter Parker' (" + testee.getEntityId() + ") was created [Event " + testee.getEventId() + "]");
    }

    private PersonCreatedEvent createTestee() {
--- a/shared/src/test/java/org/fuin/cqrs4j/example/shared/PersonIdTest.java
+++ b/shared/src/test/java/org/fuin/cqrs4j/example/shared/PersonIdTest.java
@@ -35,57 +35,55 @@ import nl.jqno.equalsverifier.Warning;
 */
 public final class PersonIdTest {

-	private static final String PERSON_UUID = "84565d62-115e-4502-b7c9-38ad69c64b05";
+    private static final String PERSON_UUID = "84565d62-115e-4502-b7c9-38ad69c64b05";

-	@Test
-	public void testEquals() {
-		EqualsVerifier.forClass(PersonId.class).suppress(Warning.NONFINAL_FIELDS)
-				.withNonnullFields("entityType", "uuid")
-				.withPrefabValues(EntityType.class, new StringBasedEntityType("A"), new StringBasedEntityType("B"))
-				.verify();
-	}
+    @Test
+    public void testEquals() {
+        EqualsVerifier.forClass(PersonId.class).suppress(Warning.NONFINAL_FIELDS).withNonnullFields("entityType", "uuid")
+                .withPrefabValues(EntityType.class, new StringBasedEntityType("A"), new StringBasedEntityType("B")).verify();
+    }

-	@Test
-	public void testValueOf() {
-		final PersonId personId = PersonId.valueOf(PERSON_UUID);
+    @Test
+    public void testValueOf() {
+        final PersonId personId = PersonId.valueOf(PERSON_UUID);

-		assertThat(personId.asString()).isEqualTo(PERSON_UUID);
+        assertThat(personId.asString()).isEqualTo(PERSON_UUID);

-	}
+    }

-	@Test
-	public void testValueOfIllegalArgumentCharacter() {
-		try {
-			PersonId.valueOf("abc");
-			fail();
-		} catch (final ConstraintViolationException ex) {
-			assertThat(ex.getMessage()).isEqualTo("The argument 'value' is not valid: 'abc'");
-		}
-	}
+    @Test
+    public void testValueOfIllegalArgumentCharacter() {
+        try {
+            PersonId.valueOf("abc");
+            fail();
+        } catch (final ConstraintViolationException ex) {
+            assertThat(ex.getMessage()).isEqualTo("The argument 'value' is not valid: 'abc'");
+        }
+    }

-	@Test
-	public final void testConverterUnmarshal() throws Exception {
+    @Test
+    public final void testConverterUnmarshal() throws Exception {

-		// PREPARE
-		final String personIdValue = PERSON_UUID;
+        // PREPARE
+        final String personIdValue = PERSON_UUID;

-		// TEST
-		final PersonId personId = new PersonId.Converter().adaptFromJson(UUID.fromString(PERSON_UUID));
+        // TEST
+        final PersonId personId = new PersonId.Converter().adaptFromJson(UUID.fromString(PERSON_UUID));

-		// VERIFY
-		assertThat(personId.asString()).isEqualTo(personIdValue);
-	}
+        // VERIFY
+        assertThat(personId.asString()).isEqualTo(personIdValue);
+    }

-	@Test
-	public void testConverterMarshal() throws Exception {
+    @Test
+    public void testConverterMarshal() throws Exception {

-		final PersonId personId = PersonId.valueOf(PERSON_UUID);
+        final PersonId personId = PersonId.valueOf(PERSON_UUID);

-		// TEST
-		final UUID uuid = new PersonId.Converter().adaptToJson(personId);
+        // TEST
+        final UUID uuid = new PersonId.Converter().adaptToJson(personId);

-		// VERIFY
-		assertThat(uuid).isEqualTo(UUID.fromString(PERSON_UUID));
-	}
+        // VERIFY
+        assertThat(uuid).isEqualTo(UUID.fromString(PERSON_UUID));
+    }

 }
--- a/shared/src/test/java/org/fuin/cqrs4j/example/shared/PersonNameTest.java
+++ b/shared/src/test/java/org/fuin/cqrs4j/example/shared/PersonNameTest.java
@@ -17,7 +17,6 @@
 */
 package org.fuin.cqrs4j.example.shared;

-
 import static org.assertj.core.api.Assertions.assertThat;

 import org.fuin.objects4j.common.ConstraintViolationException;
@@ -76,8 +75,9 @@ public final class PersonNameTest {
        assertThat(PersonName.isValid("Peter Parker")).isTrue();

        assertThat(PersonName.isValid("")).isFalse();
-        assertThat(PersonName.isValid("123456789.123456789.123456789.123456789.123456789."
-                + "123456789.123456789.123456789.123456789.123456789." + "12345")).isFalse();
+        assertThat(PersonName.isValid(
+                "123456789.123456789.123456789.123456789.123456789." + "123456789.123456789.123456789.123456789.123456789." + "12345"))
+                        .isFalse();

    }

@@ -95,13 +95,12 @@ public final class PersonNameTest {
        }

        try {
-            PersonName.requireArgValid("d", "123456789.123456789.123456789.123456789.123456789."
-                    + "123456789.123456789.123456789.123456789.123456789." + "12345");
+            PersonName.requireArgValid("d",
+                    "123456789.123456789.123456789.123456789.123456789." + "123456789.123456789.123456789.123456789.123456789." + "12345");
            Assert.fail();
        } catch (final ConstraintViolationException ex) {
-            assertThat(ex.getMessage())
-                    .isEqualTo("The argument 'd' is not valid: '" + "123456789.123456789.123456789.123456789.123456789."
-                            + "123456789.123456789.123456789.123456789.123456789." + "12345" + "'");
+            assertThat(ex.getMessage()).isEqualTo("The argument 'd' is not valid: '" + "123456789.123456789.123456789.123456789.123456789."
+                    + "123456789.123456789.123456789.123456789.123456789." + "12345" + "'");
        }

    }
@@ -113,8 +112,9 @@ public final class PersonNameTest {
        assertThat(new PersonName.Validator().isValid("Peter Parker", null)).isTrue();

        assertThat(new PersonName.Validator().isValid("", null)).isFalse();
-        assertThat(new PersonName.Validator().isValid("123456789.123456789.123456789.123456789.123456789."
-                + "123456789.123456789.123456789.123456789.123456789." + "12345", null)).isFalse();
+        assertThat(new PersonName.Validator().isValid(
+                "123456789.123456789.123456789.123456789.123456789." + "123456789.123456789.123456789.123456789.123456789." + "12345",
+                null)).isFalse();

    }

@@ -126,8 +126,9 @@ public final class PersonNameTest {
        assertThat(new PersonName.Converter().isValid(null)).isTrue();
        assertThat(new PersonName.Converter().isValid("Peter Parker")).isTrue();

-        assertThat(new PersonName.Converter().isValid("123456789.123456789.123456789.123456789.123456789."
-                + "123456789.123456789.123456789.123456789.123456789." + "12345")).isFalse();
+        assertThat(new PersonName.Converter().isValid(
+                "123456789.123456789.123456789.123456789.123456789." + "123456789.123456789.123456789.123456789.123456789." + "12345"))
+                        .isFalse();

    }

--- a/shared/src/test/java/org/fuin/cqrs4j/example/shared/SharedUtilsTest.java
+++ b/shared/src/test/java/org/fuin/cqrs4j/example/shared/SharedUtilsTest.java
@@ -0,0 +1,50 @@
+/**
+ * Copyright (C) 2015 Michael Schnell. All rights reserved. 
+ * http://www.fuin.org/
+ *
+ * This library is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation; either version 3 of the License, or (at your option) any
+ * later version.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library. If not, see http://www.gnu.org/licenses/.
+ */
+package org.fuin.cqrs4j.example.shared;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.fuin.ddd4j.ddd.EventType;
+import org.junit.Test;
+
+/**
+ * Test for the {@link SharedUtils} class.
+ */
+public final class SharedUtilsTest {
+
+    @Test
+    public void testCalculateChecksum() {
+
+        // PREPARE
+        final Set<EventType> eventTypes = new HashSet<>();
+        eventTypes.add(new EventType("PersonCreatedEvent"));
+        eventTypes.add(new EventType("PersonRenamedEvent"));
+        eventTypes.add(new EventType("PersonDeletedEvent"));
+
+        // TEST
+        final long checksum = SharedUtils.calculateChecksum(eventTypes);
+
+        // VERIFY
+        assertThat(checksum).isEqualTo(1341789591L);
+
+    }
+
+}
--- a/spring-boot/.mvn/wrapper/MavenWrapperDownloader.java
+++ b/spring-boot/.mvn/wrapper/MavenWrapperDownloader.java
@@ -1,38 +1,31 @@
 /*
-Licensed to the Apache Software Foundation (ASF) under one
-or more contributor license agreements.  See the NOTICE file
-distributed with this work for additional information
-regarding copyright ownership.  The ASF licenses this file
-to you under the Apache License, Version 2.0 (the
-"License"); you may not use this file except in compliance
-with the License.  You may obtain a copy of the License at
-
-  https://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing,
-software distributed under the License is distributed on an
-"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-KIND, either express or implied.  See the License for the
-specific language governing permissions and limitations
-under the License.
-*/
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.net.URL;
-import java.nio.channels.Channels;
-import java.nio.channels.ReadableByteChannel;
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
 import java.util.Properties;

 public class MavenWrapperDownloader {

+    private static final String WRAPPER_VERSION = "0.5.6";
    /**
     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
     */
-    private static final String DEFAULT_DOWNLOAD_URL =
-            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";

    /**
     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
@@ -80,13 +73,13 @@ public class MavenWrapperDownloader {
                }
            }
        }
-        System.out.println("- Downloading from: : " + url);
+        System.out.println("- Downloading from: " + url);

        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
        if(!outputFile.getParentFile().exists()) {
            if(!outputFile.getParentFile().mkdirs()) {
                System.out.println(
-                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
            }
        }
        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
@@ -102,6 +95,16 @@ public class MavenWrapperDownloader {
    }

    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
        URL website = new URL(urlString);
        ReadableByteChannel rbc;
        rbc = Channels.newChannel(website.openStream());
--- a/spring-boot/.mvn/wrapper/maven-wrapper.jar
+++ b/spring-boot/.mvn/wrapper/maven-wrapper.jar
--- a/spring-boot/.mvn/wrapper/maven-wrapper.properties
+++ b/spring-boot/.mvn/wrapper/maven-wrapper.properties
@@ -1 +1,2 @@
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
--- a/spring-boot/command/.mvn/wrapper/MavenWrapperDownloader.java
+++ b/spring-boot/command/.mvn/wrapper/MavenWrapperDownloader.java
@@ -1,38 +1,31 @@
 /*
-Licensed to the Apache Software Foundation (ASF) under one
-or more contributor license agreements.  See the NOTICE file
-distributed with this work for additional information
-regarding copyright ownership.  The ASF licenses this file
-to you under the Apache License, Version 2.0 (the
-"License"); you may not use this file except in compliance
-with the License.  You may obtain a copy of the License at
-
-  https://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing,
-software distributed under the License is distributed on an
-"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-KIND, either express or implied.  See the License for the
-specific language governing permissions and limitations
-under the License.
-*/
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.net.URL;
-import java.nio.channels.Channels;
-import java.nio.channels.ReadableByteChannel;
+ * Copyright 2007-present the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
 import java.util.Properties;

 public class MavenWrapperDownloader {

+    private static final String WRAPPER_VERSION = "0.5.6";
    /**
     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
     */
-    private static final String DEFAULT_DOWNLOAD_URL =
-            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+    private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+        + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";

    /**
     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
@@ -80,13 +73,13 @@ public class MavenWrapperDownloader {
                }
            }
        }
-        System.out.println("- Downloading from: : " + url);
+        System.out.println("- Downloading from: " + url);

        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
        if(!outputFile.getParentFile().exists()) {
            if(!outputFile.getParentFile().mkdirs()) {
                System.out.println(
-                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+                        "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
            }
        }
        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
@@ -102,6 +95,16 @@ public class MavenWrapperDownloader {
    }

    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+            String username = System.getenv("MVNW_USERNAME");
+            char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+            Authenticator.setDefault(new Authenticator() {
+                @Override
+                protected PasswordAuthentication getPasswordAuthentication() {
+                    return new PasswordAuthentication(username, password);
+                }
+            });
+        }
        URL website = new URL(urlString);
        ReadableByteChannel rbc;
        rbc = Channels.newChannel(website.openStream());
--- a/spring-boot/command/.mvn/wrapper/maven-wrapper.jar
+++ b/spring-boot/command/.mvn/wrapper/maven-wrapper.jar
--- a/spring-boot/command/.mvn/wrapper/maven-wrapper.properties
+++ b/spring-boot/command/.mvn/wrapper/maven-wrapper.properties
@@ -1 +1,2 @@
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
--- a/spring-boot/command/mvnw
+++ b/spring-boot/command/mvnw
@@ -8,7 +8,7 @@
 # "License"); you may not use this file except in compliance
 # with the License.  You may obtain a copy of the License at
 #
-#    https://www.apache.org/licenses/LICENSE-2.0
+#    http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
@@ -19,7 +19,7 @@
 # ----------------------------------------------------------------------------

 # ----------------------------------------------------------------------------
-# Maven2 Start Up Batch script
+# Maven Start Up Batch script
 #
 # Required ENV vars:
 # ------------------
@@ -114,7 +114,6 @@ if $mingw ; then
    M2_HOME="`(cd "$M2_HOME"; pwd)`"
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
-  # TODO classpath?
 fi

 if [ -z "$JAVA_HOME" ]; then
@@ -212,7 +211,11 @@ else
    if [ "$MVNW_VERBOSE" = true ]; then
      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
    fi
-    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    else
+      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    fi
    while IFS="=" read key value; do
      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
      esac
@@ -221,22 +224,38 @@ else
      echo "Downloading from: $jarUrl"
    fi
    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+    if $cygwin; then
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+    fi

    if command -v wget > /dev/null; then
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Found wget ... using wget"
        fi
-        wget "$jarUrl" -O "$wrapperJarPath"
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
+        fi
    elif command -v curl > /dev/null; then
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Found curl ... using curl"
        fi
-        curl -o "$wrapperJarPath" "$jarUrl"
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
    else
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Falling back to using Java to download"
        fi
        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
        if [ -e "$javaClass" ]; then
            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
                if [ "$MVNW_VERBOSE" = true ]; then
@@ -277,6 +296,11 @@ if $cygwin; then
    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
 fi

+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
 WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain

 exec "$JAVACMD" \
--- a/spring-boot/command/mvnw.cmd
+++ b/spring-boot/command/mvnw.cmd
@@ -7,7 +7,7 @@
@REM "License"); you may not use this file except in compliance
@REM with the License.  You may obtain a copy of the License at
@REM
-@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM    http://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@@ -18,7 +18,7 @@
@REM ----------------------------------------------------------------------------

@REM ----------------------------------------------------------------------------
-@REM Maven2 Start Up Batch script
+@REM Maven Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@@ -26,7 +26,7 @@
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
-@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM     e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@@ -37,7 +37,7 @@
@echo off
@REM set title of command window
 title %0
-@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%

@REM set %HOME% to equivalent of $HOME
@@ -120,23 +120,44 @@ SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
 set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
 set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain

-set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
-FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
-	IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+
+FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
 )

@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
 if exist %WRAPPER_JAR% (
-    echo Found %WRAPPER_JAR%
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
 ) else (
-    echo Couldn't find %WRAPPER_JAR%, downloading it ...
-	echo Downloading from: %DOWNLOAD_URL%
-    powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
-    echo Finished downloading %WRAPPER_JAR%
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
 )
@REM End of extension

+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
 %MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
 if ERRORLEVEL 1 goto error
 goto end
--- a/spring-boot/command/pom.xml
+++ b/spring-boot/command/pom.xml
@@ -2,28 +2,20 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+
 	<modelVersion>4.0.0</modelVersion>
+
 	<parent>
-		<groupId>org.springframework.boot</groupId>
-		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.2.0.RELEASE</version>
-		<relativePath /> <!-- lookup parent from repository -->
+		<groupId>org.fuin.cqrs4j.example.spring</groupId>
+		<artifactId>cqrs4j-spring-example-root</artifactId>
+		<version>0.2.0-SNAPSHOT</version>
+		<relativePath>../pom.xml</relativePath>
 	</parent>

-	<groupId>org.fuin.cqrs4j.example.spring</groupId>
 	<artifactId>cqrs4j-spring-example-command</artifactId>
-	<version>0.1.0</version>
 	<name>cqrs4j-spring-example-command</name>
 	<description>Spring Boot CQRS Command Demo Application</description>

-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<maven.compiler.source>1.8</maven.compiler.source>
-		<maven.compiler.target>1.8</maven.compiler.target>
-		<java.version>1.8</java.version>
-		<esc.version>0.3.1</esc.version>
-	</properties>
-
 	<dependencies>

 		<!-- compile -->
@@ -31,19 +23,19 @@
 		<dependency>
 			<groupId>org.fuin.cqrs4j.example</groupId>
 			<artifactId>cqrs4j-example-shared</artifactId>
-			<version>0.1.0</version>
+			<version>0.2.0-SNAPSHOT</version>
 		</dependency>

 		<dependency>
 			<groupId>org.fuin.cqrs4j.example</groupId>
 			<artifactId>cqrs4j-example-aggregates</artifactId>
-			<version>0.1.0</version>
+			<version>0.2.0-SNAPSHOT</version>
 		</dependency>

 		<dependency>
 			<groupId>org.fuin.cqrs4j.example.spring</groupId>
 			<artifactId>cqrs4j-spring-example-shared</artifactId>
-			<version>0.1.0</version>
+			<version>0.2.0-SNAPSHOT</version>
 		</dependency>

 		<dependency>
@@ -59,19 +51,16 @@
 		<dependency>
 			<groupId>org.fuin</groupId>
 			<artifactId>cqrs-4-java</artifactId>
-			<version>0.2.1</version>
 		</dependency>

 		<dependency>
 			<groupId>org.fuin.esc</groupId>
 			<artifactId>esc-spi</artifactId>
-			<version>${esc.version}</version>
 		</dependency>

 		<dependency>
 			<groupId>org.fuin.esc</groupId>
 			<artifactId>esc-esjc</artifactId>
-			<version>${esc.version}</version>
 		</dependency>

 		<!-- runtime -->
@@ -113,6 +102,12 @@
 			<scope>test</scope>
 		</dependency>

+		<dependency>
+		    <groupId>org.junit.platform</groupId>
+		    <artifactId>junit-platform-launcher</artifactId>
+			<scope>test</scope>
+		</dependency>
+
 		<dependency>
 			<groupId>io.rest-assured</groupId>
 			<artifactId>rest-assured</artifactId>
@@ -157,12 +152,11 @@
 			<plugin>
 				<groupId>io.fabric8</groupId>
 				<artifactId>docker-maven-plugin</artifactId>
-				<version>0.31.0</version>
 				<configuration>

 					<images>
 						<image>
-							<name>eventstore/eventstore:release-4.1.3</name>
+							<name>eventstore/eventstore:release-${eventstore.version}</name>
 							<run>
 								<network>
 									<mode>bridge</mode>
--- a/spring-boot/command/src/main/java/org/fuin/cqrs4j/example/spring/command/app/CmdApplication.java
+++ b/spring-boot/command/src/main/java/org/fuin/cqrs4j/example/spring/command/app/CmdApplication.java
@@ -8,24 +8,25 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.web.context.annotation.RequestScope;

@SpringBootApplication(scanBasePackages = { "org.fuin.cqrs4j.example.spring.command.app",
-		"org.fuin.cqrs4j.example.spring.command.controller", "org.fuin.cqrs4j.example.spring.shared" })
+        "org.fuin.cqrs4j.example.spring.command.controller", "org.fuin.cqrs4j.example.spring.shared" })
 public class CmdApplication {

-	/**
-	 * Creates an event sourced repository that can store a person.
-	 * 
-	 * @param eventStore Event store to use.
-	 * 
-	 * @return Repository only valid for the current request.
-	 */
-	@Bean
-	@RequestScope
-	public PersonRepository create(final IESJCEventStore eventStore) {
-		return new PersonRepository(eventStore);
-	}
+    /**
+     * Creates an event sourced repository that can store a person.
+     * 
+     * @param eventStore
+     *            Event store to use.
+     * 
+     * @return Repository only valid for the current request.
+     */
+    @Bean
+    @RequestScope
+    public PersonRepository create(final IESJCEventStore eventStore) {
+        return new PersonRepository(eventStore);
+    }

-	public static void main(String[] args) {
-		SpringApplication.run(CmdApplication.class, args);
-	}
+    public static void main(String[] args) {
+        SpringApplication.run(CmdApplication.class, args);
+    }

 }
--- a/spring-boot/command/src/main/java/org/fuin/cqrs4j/example/spring/command/controller/PersonController.java
+++ b/spring-boot/command/src/main/java/org/fuin/cqrs4j/example/spring/command/controller/PersonController.java
@@ -40,33 +40,32 @@ import org.springframework.web.bind.annotation.RestController;
@RequestMapping("/persons")
 public class PersonController {

-	@Autowired
-	private PersonRepository repo;
+    @Autowired
+    private PersonRepository repo;

-	@Autowired
-	private Validator validator;
+    @Autowired
+    private Validator validator;

-	@PostMapping(path = "/create", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
-	public ResponseEntity<SimpleResult> create(@RequestBody final CreatePersonCommand cmd)
-			throws AggregateAlreadyExistsException, AggregateDeletedException, CommandExecutionFailedException,
-			DuplicatePersonNameException {
+    @PostMapping(path = "/create", consumes = MediaType.APPLICATION_JSON_VALUE, produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<SimpleResult> create(@RequestBody final CreatePersonCommand cmd) throws AggregateAlreadyExistsException,
+            AggregateDeletedException, CommandExecutionFailedException, DuplicatePersonNameException {

-		// Verify preconditions
-		final Set<ConstraintViolation<CreatePersonCommand>> violations = validator.validate(cmd);
-		if (!violations.isEmpty()) {
-			throw new ConstraintViolationException(violations);
-		}
+        // Verify preconditions
+        final Set<ConstraintViolation<CreatePersonCommand>> violations = validator.validate(cmd);
+        if (!violations.isEmpty()) {
+            throw new ConstraintViolationException(violations);
+        }

-		// Create aggregate
-		final Person person = new Person(cmd.getAggregateRootId(), cmd.getName(), (name) -> {
-			// TODO Execute a call to the query side to verify if the name already exists
-			return Optional.empty();
-		});
-		repo.add(person);
+        // Create aggregate
+        final Person person = new Person(cmd.getAggregateRootId(), cmd.getName(), name -> {
+            // TODO Execute a call to the query side to verify if the name already exists
+            return Optional.empty();
+        });
+        repo.add(person);

-		// Send OK response
-		return new ResponseEntity<>(SimpleResult.ok(), HttpStatus.OK);
+        // Send OK response
+        return new ResponseEntity<>(SimpleResult.ok(), HttpStatus.OK);

-	}
+    }

 }
--- a/spring-boot/command/src/main/resources/application.properties
+++ b/spring-boot/command/src/main/resources/application.properties
@@ -1,3 +1,3 @@

 server.port = 8081
-spring.http.converters.preferred-json-mapper=jsonb
+spring.mvc.converters.preferred-json-mapper=jsonb
--- a/spring-boot/command/src/test/java/org/fuin/cqrs4j/example/spring/command/api/PersonControllerIT.java
+++ b/spring-boot/command/src/test/java/org/fuin/cqrs4j/example/spring/command/api/PersonControllerIT.java
@@ -39,49 +39,40 @@ import io.restassured.module.mockmvc.RestAssuredMockMvc;

@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
@ContextConfiguration(classes = CmdApplication.class)
-public class PersonControllerIT {
+class PersonControllerIT {

-	@LocalServerPort
+    @LocalServerPort
    int port;
-	
-	@Autowired
-	WebApplicationContext wac;
-	
-	@Autowired
-	IESJCEventStore eventStore;

-	@Autowired
+    @Autowired
+    WebApplicationContext wac;
+
+    @Autowired
+    IESJCEventStore eventStore;
+
+    @Autowired
    Jsonb jsonb;
-    
-	@BeforeEach
-	public void initRestAssuredMockMvcStandalone() {
-		RestAssured.port = port;
-		RestAssuredMockMvc.webAppContextSetup(wac);
-	}
-	
+
+    @BeforeEach
+    public void initRestAssuredMockMvcStandalone() {
+        RestAssured.port = port;
+        RestAssuredMockMvc.webAppContextSetup(wac);
+    }
+
    @Test
-    public void testCreate() {
-        
+    void testCreate() {
+
        // PREPARE
        final PersonId personId = new PersonId(UUID.randomUUID());
        final PersonName personName = new PersonName("Peter Parker");
        final CreatePersonCommand cmd = new CreatePersonCommand(personId, personName);
        final String json = jsonb.toJson(cmd);
-        
+
        // TEST & VERIFY
-        final SimpleResult result = 
-          given()
-            .accept(ContentType.JSON)
-            .contentType(ContentType.JSON)
-            .body(json)
-          .when()
-            .post("/persons/create")             
-          .then()
-            .statusCode(200)
-            .extract()
-            .as(SimpleResult.class);
+        final SimpleResult result = given().accept(ContentType.JSON).contentType(ContentType.JSON).body(json).when().post("/persons/create")
+                .then().statusCode(200).extract().as(SimpleResult.class);
        assertThat(result.getType(), is(equalTo(ResultType.OK)));
-        
+
        final SimpleStreamId personStreamId = new SimpleStreamId(PersonId.TYPE + "-" + personId);
        final StreamEventsSlice slice = eventStore.readEventsForward(personStreamId, 0, 1);
        final List<CommonEvent> events = slice.getEvents();
@@ -91,7 +82,7 @@ public class PersonControllerIT {
        final PersonCreatedEvent event = (PersonCreatedEvent) ce.getData();
        assertThat(event.getEntityId(), is(equalTo(personId)));
        assertThat(event.getName(), is(equalTo(personName)));
-        
+
    }

 }
--- a/spring-boot/mvnw
+++ b/spring-boot/mvnw
@@ -8,7 +8,7 @@
 # "License"); you may not use this file except in compliance
 # with the License.  You may obtain a copy of the License at
 #
-#    https://www.apache.org/licenses/LICENSE-2.0
+#    http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
@@ -19,7 +19,7 @@
 # ----------------------------------------------------------------------------

 # ----------------------------------------------------------------------------
-# Maven2 Start Up Batch script
+# Maven Start Up Batch script
 #
 # Required ENV vars:
 # ------------------
@@ -114,7 +114,6 @@ if $mingw ; then
    M2_HOME="`(cd "$M2_HOME"; pwd)`"
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
-  # TODO classpath?
 fi

 if [ -z "$JAVA_HOME" ]; then
@@ -212,7 +211,11 @@ else
    if [ "$MVNW_VERBOSE" = true ]; then
      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
    fi
-    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    else
+      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+    fi
    while IFS="=" read key value; do
      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
      esac
@@ -221,22 +224,38 @@ else
      echo "Downloading from: $jarUrl"
    fi
    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+    if $cygwin; then
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+    fi

    if command -v wget > /dev/null; then
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Found wget ... using wget"
        fi
-        wget "$jarUrl" -O "$wrapperJarPath"
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
+        fi
    elif command -v curl > /dev/null; then
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Found curl ... using curl"
        fi
-        curl -o "$wrapperJarPath" "$jarUrl"
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
    else
        if [ "$MVNW_VERBOSE" = true ]; then
          echo "Falling back to using Java to download"
        fi
        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
        if [ -e "$javaClass" ]; then
            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
                if [ "$MVNW_VERBOSE" = true ]; then
@@ -277,6 +296,11 @@ if $cygwin; then
    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
 fi

+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
 WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain

 exec "$JAVACMD" \
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Michael Schnell	eeca95221f	Moved license file	2021-10-23 14:54:34 +02:00
Michael Schnell	e0aca86722	Added license information	2021-10-23 14:52:43 +02:00
Michael Schnell	2b9a8da5ae	Update README.md	2021-09-19 18:34:02 +02:00
Michael Schnell	cefabe2603	Fixed doc	2021-09-19 11:57:58 +02:00
Michael Schnell	01605ec586	Enhanced title for search engines	2021-09-18 13:51:10 +02:00
Michael Schnell	35e852475c	Added build link	2021-09-17 17:35:56 +02:00
Michael Schnell	628669e2dd	Added build badge	2021-09-17 17:34:11 +02:00
Michael Schnell	6bab4790af	Cleanup Sonar issues, added Github build and formatted source	2021-09-17 17:22:05 +02:00
Michael Schnell	a3fe604856	Fixed wrong level	2021-09-17 16:43:41 +02:00
Michael Schnell	73f10da831	Shortend howto	2021-09-17 16:41:56 +02:00
Michael Schnell	773e23c859	Removed Developer VM as it is outdated and shortened howto	2021-09-17 16:31:11 +02:00
Michael Schnell	e33e149023	Do not use "report-unupported-elements-at-runtime". See https://github.com/oracle/graal/issues/1725#issuecomment-547570158	2021-09-17 16:09:38 +02:00
Michael Schnell	c05fbf3068	Fixed too old eventstore version	2021-09-17 16:07:43 +02:00
Michael Schnell	52810588c3	Fixed doc	2021-09-05 09:29:49 +02:00
Michael Schnell	95602b8715	Added missing version	2021-09-05 09:29:36 +02:00
Michael Schnell	7a1210abb3	Updated Maven Wrapper	2021-09-05 09:29:24 +02:00
Michael Schnell	5a614a7d72	Fixed problems with native image creation	2021-09-04 17:33:45 +02:00
Michael Schnell	eb394c118f	Updated to latest Quarkus version	2021-09-04 17:33:23 +02:00
Michael Schnell	d2e03295a2	Added missing engine	2021-09-04 15:57:29 +02:00
Michael Schnell	0689587fcd	Added framwork hints	2021-09-04 15:56:28 +02:00
Michael Schnell	ca526e872e	Updated current Quarkus / Spring Boot versions	2021-09-04 15:53:45 +02:00
Michael Schnell	0bd7433cc8	spring.http.converters changed to spring.mvc.converters See https://docs.across.dev/across-site/production/migration/platform-5-0-to-5-1.html#_deprecated_spring_boot_properties	2021-09-04 15:52:59 +02:00
Michael Schnell	05705386de	Fixed naming	2021-09-04 15:49:32 +02:00
Michael Schnell	e88922b3cd	Changed badge	2020-12-20 13:54:52 +01:00
Michael Schnell	2dd2969901	Started migration to Java 11	2020-12-20 13:53:47 +01:00
Michael Schnell	074873012e	Merge pull request #9 from fuinorg/dependabot/maven/aggregates/junit-junit-4.13.1 Bump junit from 4.12 to 4.13.1 in /aggregates	2020-12-20 07:41:15 +01:00
Michael Schnell	3d591d003c	Merge pull request #8 from fuinorg/dependabot/maven/shared/junit-junit-4.13.1 Bump junit from 4.12 to 4.13.1 in /shared	2020-12-20 07:41:03 +01:00
dependabot[bot]	c9f21adeaf	Bump junit from 4.12 to 4.13.1 in /aggregates Bumps [junit](https://github.com/junit-team/junit4) from 4.12 to 4.13.1. - [Release notes](https://github.com/junit-team/junit4/releases) - [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.12.md) - [Commits](https://github.com/junit-team/junit4/compare/r4.12...r4.13.1) Signed-off-by: dependabot[bot] <support@github.com>	2020-10-13 18:32:14 +00:00
dependabot[bot]	cc65808dac	Bump junit from 4.12 to 4.13.1 in /shared Bumps [junit](https://github.com/junit-team/junit4) from 4.12 to 4.13.1. - [Release notes](https://github.com/junit-team/junit4/releases) - [Changelog](https://github.com/junit-team/junit4/blob/main/doc/ReleaseNotes4.12.md) - [Commits](https://github.com/junit-team/junit4/compare/r4.12...r4.13.1) Signed-off-by: dependabot[bot] <support@github.com>	2020-10-13 18:28:13 +00:00
Michael Schnell	64e95e8dc8	Create ES projection based on even type names.	2020-03-21 11:57:50 +01:00
Michael Schnell	b4114a97eb	Create ES projection with hash based on event types.	2020-03-21 11:48:51 +01:00
Michael Schnell	7459eb3244	Switched to new iteration and Quarkus 1.2.0.Final	2020-02-02 19:57:32 +01:00
Michael Schnell	32565f7efd	Use variables for log statements	2020-01-10 09:43:05 +01:00
Michael Schnell	89241fb66a	Fixed transaction border	2020-01-10 09:41:56 +01:00
Michael Schnell	1abd8f7441	Merge pull request #5 from fuinorg/dependabot/maven/java-se-cdi/org.hibernate.validator-hibernate-validator-6.1.0.Final Bump hibernate-validator from 6.0.10.Final to 6.1.0.Final in /java-se-cdi	2020-01-10 09:32:27 +01:00
Michael Schnell	a3f31864c4	Merge pull request #6 from fuinorg/dependabot/maven/shared/org.hibernate.validator-hibernate-validator-6.1.0.Final Bump hibernate-validator from 6.0.10.Final to 6.1.0.Final in /shared	2020-01-10 09:32:16 +01:00
Michael Schnell	63ae4af2cf	Merge pull request #7 from fuinorg/dependabot/maven/aggregates/org.hibernate.validator-hibernate-validator-6.1.0.Final Bump hibernate-validator from 6.0.10.Final to 6.1.0.Final in /aggregates	2020-01-10 09:32:06 +01:00
dependabot[bot]	fbfeebc4d3	Bump hibernate-validator from 6.0.10.Final to 6.1.0.Final in /aggregates Bumps [hibernate-validator](https://github.com/hibernate/hibernate-validator) from 6.0.10.Final to 6.1.0.Final. - [Release notes](https://github.com/hibernate/hibernate-validator/releases) - [Changelog](https://github.com/hibernate/hibernate-validator/blob/master/changelog.txt) - [Commits](https://github.com/hibernate/hibernate-validator/compare/6.0.10.Final...6.1.0.Final) Signed-off-by: dependabot[bot] <support@github.com>	2020-01-08 17:38:18 +00:00
dependabot[bot]	efc865109c	Bump hibernate-validator from 6.0.10.Final to 6.1.0.Final in /shared Bumps [hibernate-validator](https://github.com/hibernate/hibernate-validator) from 6.0.10.Final to 6.1.0.Final. - [Release notes](https://github.com/hibernate/hibernate-validator/releases) - [Changelog](https://github.com/hibernate/hibernate-validator/blob/master/changelog.txt) - [Commits](https://github.com/hibernate/hibernate-validator/compare/6.0.10.Final...6.1.0.Final) Signed-off-by: dependabot[bot] <support@github.com>	2020-01-08 17:38:13 +00:00
dependabot[bot]	f9fcb691d4	Bump hibernate-validator in /java-se-cdi Bumps [hibernate-validator](https://github.com/hibernate/hibernate-validator) from 6.0.10.Final to 6.1.0.Final. - [Release notes](https://github.com/hibernate/hibernate-validator/releases) - [Changelog](https://github.com/hibernate/hibernate-validator/blob/master/changelog.txt) - [Commits](https://github.com/hibernate/hibernate-validator/compare/6.0.10.Final...6.1.0.Final) Signed-off-by: dependabot[bot] <support@github.com>	2020-01-08 17:35:48 +00:00
Michael Schnell	a0a12d4f0d	Back to Java 8	2020-01-04 10:58:54 +01:00
Michael Schnell	854b4c5f0f	Added Java version hint	2020-01-04 10:55:59 +01:00
Michael Schnell	5e9b4fe53c	Merge branch 'master' of github.com:fuinorg/ddd-cqrs-4-java-example	2020-01-04 10:53:36 +01:00
Michael Schnell	048e3d066e	Update README.md	2020-01-02 17:57:49 +01:00
Michael Schnell	9c6654d957	Update README.md	2020-01-02 17:56:17 +01:00
Michael Schnell	040fabcb6d	Update README.md	2020-01-02 17:55:33 +01:00
Michael Schnell	45d58b8b66	Update README.md	2020-01-02 17:52:01 +01:00
Michael Schnell	1a3a05e8d1	Update README.md	2020-01-02 17:49:49 +01:00
Michael Schnell	00a245384f	Update README.md	2020-01-02 17:49:23 +01:00