Upgrade to Spring Boot 2.2.0.RELEASE

build.gradle.kts

@@ -1,13 +1,13 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
-	kotlin("plugin.jpa") version "1.2.71"
-	id("org.springframework.boot") version "2.1.5.RELEASE"
-	id("io.spring.dependency-management") version "1.0.7.RELEASE"
-	kotlin("jvm") version "1.2.71"
-	kotlin("plugin.spring") version "1.2.71"
-	kotlin("plugin.allopen") version "1.2.71"
-	kotlin("kapt") version "1.2.71"
+	kotlin("plugin.jpa") version "1.3.50"
+	id("org.springframework.boot") version "2.2.0.RELEASE"
+	id("io.spring.dependency-management") version "1.0.8.RELEASE"
+	kotlin("jvm") version "1.3.50"
+	kotlin("plugin.spring") version "1.3.50"
+	kotlin("plugin.allopen") version "1.3.50"
+	kotlin("kapt") version "1.3.50"
 }
 
 group = "com.example"
@@ -25,7 +25,7 @@ dependencies {
 	implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
 	implementation("org.jetbrains.kotlin:kotlin-reflect")
 	implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
-	runtimeOnly("com.h2database:h2:1.4.197") // Fixed version as a workaround for https://github.com/h2database/h2database/issues/1841
+	runtimeOnly("com.h2database:h2:1.4.200") // See https://github.com/spring-projects/spring-boot/issues/18593 and https://github.com/h2database/h2database/issues/1841
 	runtimeOnly("org.springframework.boot:spring-boot-devtools")
 	kapt("org.springframework.boot:spring-boot-configuration-processor")
 	testImplementation("org.springframework.boot:spring-boot-starter-test") {
@@ -34,7 +34,7 @@ dependencies {
 	}
 	testImplementation("org.junit.jupiter:junit-jupiter-api")
 	testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
-	testImplementation("com.ninja-squad:springmockk:1.1.2")
+	testImplementation("com.ninja-squad:springmockk:1.1.3")
 }
 
 tasks.withType<KotlinCompile> {

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

pom.xml

@@ -14,7 +14,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.1.5.RELEASE</version>
+		<version>2.2.0.RELEASE</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 
@@ -22,7 +22,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<java.version>1.8</java.version>
-		<kotlin.version>1.2.71</kotlin.version>
+		<kotlin.version>1.3.50</kotlin.version>
 	</properties>
 
 	<dependencies>
@@ -56,11 +56,11 @@
 			<artifactId>spring-boot-devtools</artifactId>
 			<scope>runtime</scope>
 		</dependency>
-		<!-- Fixed version as a workaround for https://github.com/h2database/h2database/issues/1841 -->
+		<!-- See https://github.com/spring-projects/spring-boot/issues/18593 and https://github.com/h2database/h2database/issues/1841 -->
 		<dependency>
 			<groupId>com.h2database</groupId>
 			<artifactId>h2</artifactId>
-			<version>1.4.197</version>
+			<version>1.4.200</version>
 			<scope>runtime</scope>
 		</dependency>
 		<dependency>
@@ -86,7 +86,7 @@
 		<dependency>
 			<groupId>com.ninja-squad</groupId>
 			<artifactId>springmockk</artifactId>
-			<version>1.1.2</version>
+			<version>1.1.3</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>

src/main/kotlin/com/example/blog/BlogProperties.kt

@@ -1,17 +1,10 @@
 package com.example.blog
 
 import org.springframework.boot.context.properties.ConfigurationProperties
+import org.springframework.boot.context.properties.ConstructorBinding
 
-// TODO Use "val" instead of "lateinit var" when spring-boot#8762 will be fixed
+@ConstructorBinding
 @ConfigurationProperties("blog")
-class BlogProperties {
-
-	lateinit var title: String
-	val banner = Banner()
-
-	class Banner {
-		var title: String? = null
-		lateinit var content: String
-	}
-
+data class BlogProperties(var title: String, val banner: Banner) {
+	data class Banner(val title: String? = null, val content: String)
 }

src/test/kotlin/com/example/blog/HttpControllersTests.kt

@@ -27,7 +27,7 @@ class HttpControllersTests(@Autowired val mockMvc: MockMvc) {
 		every { articleRepository.findAllByOrderByAddedAtDesc() } returns listOf(spring5Article, spring43Article)
 		mockMvc.perform(get("/api/article/").accept(MediaType.APPLICATION_JSON))
 				.andExpect(status().isOk)
-				.andExpect(content().contentType(MediaType.APPLICATION_JSON_UTF8))
+				.andExpect(content().contentType(MediaType.APPLICATION_JSON))
 				.andExpect(jsonPath("\$.[0].author.login").value(juergen.login))
 				.andExpect(jsonPath("\$.[0].slug").value(spring5Article.slug))
 				.andExpect(jsonPath("\$.[1].author.login").value(juergen.login))
@@ -41,7 +41,7 @@ class HttpControllersTests(@Autowired val mockMvc: MockMvc) {
 		every { userRepository.findAll() } returns listOf(juergen, smaldini)
 		mockMvc.perform(get("/api/user/").accept(MediaType.APPLICATION_JSON))
 				.andExpect(status().isOk)
-				.andExpect(content().contentType(MediaType.APPLICATION_JSON_UTF8))
+				.andExpect(content().contentType(MediaType.APPLICATION_JSON))
 				.andExpect(jsonPath("\$.[0].login").value(juergen.login))
 				.andExpect(jsonPath("\$.[1].login").value(smaldini.login))
 	}