diff --git a/persistence-modules/java-jpa-2/pom.xml b/persistence-modules/java-jpa-2/pom.xml
index dd200eb3cb..fdd482f833 100644
--- a/persistence-modules/java-jpa-2/pom.xml
+++ b/persistence-modules/java-jpa-2/pom.xml
@@ -1,111 +1,111 @@
 <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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <artifactId>java-jpa-2</artifactId>
-  <name>java-jpa-2</name>
-  <parent>
-    <groupId>com.baeldung</groupId>
-    <artifactId>parent-modules</artifactId>
-    <version>1.0.0-SNAPSHOT</version>
-    <relativePath>../../pom.xml</relativePath>
-  </parent>
-  <dependencies>
-    <dependency>
-      <groupId>org.hibernate</groupId>
-      <artifactId>hibernate-core</artifactId>
-      <version>${hibernate.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>org.hibernate</groupId>
-      <artifactId>hibernate-jpamodelgen</artifactId>
-      <version>${hibernate.version}</version>
-    </dependency>
-    <dependency>
-      <groupId>com.h2database</groupId>
-      <artifactId>h2</artifactId>
-      <version>${h2.version}</version>
-    </dependency>
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>java-jpa-2</artifactId>
+    <name>java-jpa-2</name>
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <dependencies>
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-core</artifactId>
+            <version>${hibernate.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.hibernate</groupId>
+            <artifactId>hibernate-jpamodelgen</artifactId>
+            <version>${hibernate.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <version>${h2.version}</version>
+        </dependency>
 
-    <!--Compile time JPA API -->
-    <dependency>
-      <groupId>javax.persistence</groupId>
-      <artifactId>javax.persistence-api</artifactId>
-      <version>${javax.persistence-api.version}</version>
-    </dependency>
+        <!--Compile time JPA API -->
+        <dependency>
+            <groupId>javax.persistence</groupId>
+            <artifactId>javax.persistence-api</artifactId>
+            <version>${javax.persistence-api.version}</version>
+        </dependency>
 
-    <!--Runtime JPA implementation-->
-    <dependency>
-        <groupId>org.eclipse.persistence</groupId>
-        <artifactId>eclipselink</artifactId>
-        <version>${eclipselink.version}</version>
-        <scope>runtime</scope>
-    </dependency>
-    <dependency>
-        <groupId>org.postgresql</groupId>
-        <artifactId>postgresql</artifactId>
-        <version>${postgres.version}</version>
-        <scope>runtime</scope>
-    </dependency>
-  </dependencies>
+        <!--Runtime JPA implementation -->
+        <dependency>
+            <groupId>org.eclipse.persistence</groupId>
+            <artifactId>eclipselink</artifactId>
+            <version>${eclipselink.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.postgresql</groupId>
+            <artifactId>postgresql</artifactId>
+            <version>${postgres.version}</version>
+            <scope>runtime</scope>
+        </dependency>
+    </dependencies>
 
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.5.1</version>
-        <configuration>
-          <compilerArgument>-proc:none</compilerArgument>
-        </configuration>
-      </plugin>
-      <plugin>
-        <groupId>org.bsc.maven</groupId>
-        <artifactId>maven-processor-plugin</artifactId>
-        <version>3.3.3</version>
-        <executions>
-          <execution>
-            <id>process</id>
-            <goals>
-              <goal>process</goal>
-            </goals>
-            <phase>generate-sources</phase>
-            <configuration>
-              <outputDirectory>target/metamodel</outputDirectory>
-              <processors>
-                <processor>org.hibernate.jpamodelgen.JPAMetaModelEntityProcessor</processor>
-              </processors>
-            </configuration>
-          </execution>
-        </executions>
-      </plugin>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.5.1</version>
+                <configuration>
+                    <compilerArgument>-proc:none</compilerArgument>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.bsc.maven</groupId>
+                <artifactId>maven-processor-plugin</artifactId>
+                <version>3.3.3</version>
+                <executions>
+                    <execution>
+                        <id>process</id>
+                        <goals>
+                            <goal>process</goal>
+                        </goals>
+                        <phase>generate-sources</phase>
+                        <configuration>
+                            <outputDirectory>target/metamodel</outputDirectory>
+                            <processors>
+                                <processor>org.hibernate.jpamodelgen.JPAMetaModelEntityProcessor</processor>
+                            </processors>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
 
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>build-helper-maven-plugin</artifactId>
-        <version>3.0.0</version>
-        <executions>
-          <execution>
-            <id>add-source</id>
-            <phase>generate-sources</phase>
-            <goals>
-              <goal>add-source</goal>
-            </goals>
-            <configuration>
-              <sources>
-                <source>target/metamodel</source>
-              </sources>
-            </configuration>
-          </execution>
-        </executions>
-      </plugin>
-    </plugins>
-  </build>
-  <properties>
-    <hibernate.version>5.4.0.Final</hibernate.version>
-    <eclipselink.version>2.7.4-RC1</eclipselink.version>
-    <postgres.version>42.2.5</postgres.version>
-    <javax.persistence-api.version>2.2</javax.persistence-api.version>
-  </properties>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>build-helper-maven-plugin</artifactId>
+                <version>3.0.0</version>
+                <executions>
+                    <execution>
+                        <id>add-source</id>
+                        <phase>generate-sources</phase>
+                        <goals>
+                            <goal>add-source</goal>
+                        </goals>
+                        <configuration>
+                            <sources>
+                                <source>target/metamodel</source>
+                            </sources>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+    <properties>
+        <hibernate.version>5.4.0.Final</hibernate.version>
+        <eclipselink.version>2.7.4-RC1</eclipselink.version>
+        <postgres.version>42.2.5</postgres.version>
+        <javax.persistence-api.version>2.2</javax.persistence-api.version>
+    </properties>
 
 </project>
\ No newline at end of file
diff --git a/persistence-modules/java-jpa-2/src/main/resources/META-INF/persistence.xml b/persistence-modules/java-jpa-2/src/main/resources/META-INF/persistence.xml
index 653ab83a18..560a75070c 100644
--- a/persistence-modules/java-jpa-2/src/main/resources/META-INF/persistence.xml
+++ b/persistence-modules/java-jpa-2/src/main/resources/META-INF/persistence.xml
@@ -1,31 +1,35 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
              http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd"
-  version="2.2">
+    version="2.2">
 
-  <persistence-unit name="jpa-h2-queryparams"
-    transaction-type="RESOURCE_LOCAL">
-    <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
-    <class>com.baeldung.jpa.queryparams.Employee</class>
-    <exclude-unlisted-classes>true</exclude-unlisted-classes>
-    <properties>
-      <property name="javax.persistence.jdbc.driver"
-        value="org.h2.Driver" />
-      <property name="javax.persistence.jdbc.url"
-        value="jdbc:h2:mem:test" />
-      <property name="javax.persistence.jdbc.user" value="sa" />
-      <property name="javax.persistence.jdbc.password" value="" />
-      <property name="hibernate.dialect"
-        value="org.hibernate.dialect.H2Dialect" />
-      <property name="hibernate.hbm2ddl.auto"
-        value="create-drop" />
-      <property name="show_sql" value="true" />
-      <property
-        name="hibernate.temp.use_jdbc_metadata_defaults" value="false" />
-      <property name="javax.persistence.sql-load-script-source"
-        value="queryparams.sql" />
-    </properties>
-  </persistence-unit>
+    <persistence-unit name="jpa-h2-queryparams"
+        transaction-type="RESOURCE_LOCAL">
+        <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
+        <class>com.baeldung.jpa.queryparams.Employee</class>
+        <exclude-unlisted-classes>true</exclude-unlisted-classes>
+        <properties>
+            <property name="javax.persistence.jdbc.driver"
+                value="org.h2.Driver" />
+            <property name="javax.persistence.jdbc.url"
+                value="jdbc:h2:mem:test" />
+            <property name="javax.persistence.jdbc.user"
+                value="sa" />
+            <property name="javax.persistence.jdbc.password"
+                value="" />
+            <property name="hibernate.dialect"
+                value="org.hibernate.dialect.H2Dialect" />
+            <property name="hibernate.hbm2ddl.auto"
+                value="create-drop" />
+            <property name="show_sql" value="true" />
+            <property
+                name="hibernate.temp.use_jdbc_metadata_defaults"
+                value="false" />
+            <property
+                name="javax.persistence.sql-load-script-source"
+                value="queryparams.sql" />
+        </properties>
+    </persistence-unit>
 </persistence>
\ No newline at end of file
diff --git a/persistence-modules/java-jpa-2/src/main/resources/logback.xml b/persistence-modules/java-jpa-2/src/main/resources/logback.xml
index e0098e7c7e..2527fea245 100644
--- a/persistence-modules/java-jpa-2/src/main/resources/logback.xml
+++ b/persistence-modules/java-jpa-2/src/main/resources/logback.xml
@@ -1,14 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <configuration>
-  <appender name="STDOUT"
-    class="ch.qos.logback.core.ConsoleAppender">
-    <encoder>
-      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
-      </pattern>
-    </encoder>
-  </appender>
+    <appender name="STDOUT"
+        class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} -
+                %msg%n
+            </pattern>
+        </encoder>
+    </appender>
 
-  <root level="INFO">
-    <appender-ref ref="STDOUT" />
-  </root>
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
 </configuration>
\ No newline at end of file