Release 2.4.0-M1

Closes gh-1648

Jenkinsfile

@@ -8,23 +8,6 @@ properties([
 def SUCCESS = hudson.model.Result.SUCCESS.toString()
 currentBuild.result = SUCCESS
 
-def GRADLE_ENTERPRISE_CACHE_USER = usernamePassword(credentialsId: 'gradle_enterprise_cache_user',
-		passwordVariable: 'GRADLE_ENTERPRISE_CACHE_PASSWORD',
-		usernameVariable: 'GRADLE_ENTERPRISE_CACHE_USERNAME')
-def GRADLE_ENTERPRISE_SECRET_ACCESS_KEY = string(credentialsId: 'gradle_enterprise_secret_access_key',
-		variable: 'GRADLE_ENTERPRISE_ACCESS_KEY')
-def SPRING_SIGNING_SECRING = file(credentialsId: 'spring-signing-secring.gpg', variable: 'SIGNING_KEYRING_FILE')
-def SPRING_GPG_PASSPHRASE = string(credentialsId: 'spring-gpg-passphrase', variable: 'SIGNING_PASSWORD')
-def OSSRH_CREDENTIALS = usernamePassword(credentialsId: 'oss-token', passwordVariable: 'OSSRH_PASSWORD', usernameVariable: 'OSSRH_USERNAME')
-def ARTIFACTORY_CREDENTIALS = usernamePassword(credentialsId: '02bd1690-b54f-4c9f-819d-a77cb7a9822c', usernameVariable: 'ARTIFACTORY_USERNAME', passwordVariable: 'ARTIFACTORY_PASSWORD')
-def JENKINS_PRIVATE_SSH_KEY = file(credentialsId: 'docs.spring.io-jenkins_private_ssh_key', variable: 'DEPLOY_SSH_KEY')
-def SONAR_LOGIN_CREDENTIALS = string(credentialsId: 'spring-sonar.login', variable: 'SONAR_LOGIN')
-
-def jdkEnv(String jdk = 'jdk8') {
-	def jdkTool = tool(jdk)
-	return "JAVA_HOME=${ jdkTool }"
-}
-
 try {
 	parallel check: {
 		stage('Check') {
@@ -34,16 +17,9 @@ try {
 					checkout scm
 					sh "git clean -dfx"
 					try {
-                        withCredentials([GRADLE_ENTERPRISE_CACHE_USER,
-                             GRADLE_ENTERPRISE_SECRET_ACCESS_KEY,
-                             ARTIFACTORY_CREDENTIALS]) {
-                            withEnv([jdkEnv(),
-                                 "GRADLE_ENTERPRISE_CACHE_USERNAME=${GRADLE_ENTERPRISE_CACHE_USERNAME}",
-                                 "GRADLE_ENTERPRISE_CACHE_PASSWORD=${GRADLE_ENTERPRISE_CACHE_PASSWORD}",
-                                 "GRADLE_ENTERPRISE_ACCESS_KEY=${GRADLE_ENTERPRISE_ACCESS_KEY}"]) {
-                                sh "./gradlew check -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD --stacktrace"
-                            }
-                        }
+						withEnv(["JAVA_HOME=${tool 'jdk8'}"]) {
+							sh './gradlew clean check --no-daemon --stacktrace'
+						}
 					}
 					catch (e) {
 						currentBuild.result = 'FAILED: check'
@@ -56,6 +32,44 @@ try {
 			}
 		}
 	},
+	jdk9: {
+		stage('JDK 9') {
+			timeout(time: 45, unit: 'MINUTES') {
+				node('linux') {
+					checkout scm
+					sh "git clean -dfx"
+					try {
+						withEnv(["JAVA_HOME=${tool 'jdk9'}"]) {
+							sh './gradlew clean test --no-daemon --stacktrace'
+						}
+					}
+					catch (e) {
+						currentBuild.result = 'FAILED: jdk9'
+						throw e
+					}
+				}
+			}
+		}
+	},
+	jdk10: {
+		stage('JDK 10') {
+			timeout(time: 45, unit: 'MINUTES') {
+				node('linux') {
+					checkout scm
+					sh "git clean -dfx"
+					try {
+						withEnv(["JAVA_HOME=${tool 'jdk10'}"]) {
+							sh './gradlew clean test --no-daemon --stacktrace'
+						}
+					}
+					catch (e) {
+						currentBuild.result = 'FAILED: jdk10'
+						throw e
+					}
+				}
+			}
+		}
+	},
 	jdk11: {
 		stage('JDK 11') {
 			timeout(time: 45, unit: 'MINUTES') {
@@ -63,16 +77,9 @@ try {
 					checkout scm
 					sh "git clean -dfx"
 					try {
-                        withCredentials([GRADLE_ENTERPRISE_CACHE_USER,
-                             GRADLE_ENTERPRISE_SECRET_ACCESS_KEY,
-                             ARTIFACTORY_CREDENTIALS]) {
-                            withEnv([jdkEnv("jdk11"),
-                             "GRADLE_ENTERPRISE_CACHE_USERNAME=${GRADLE_ENTERPRISE_CACHE_USERNAME}",
-                             "GRADLE_ENTERPRISE_CACHE_PASSWORD=${GRADLE_ENTERPRISE_CACHE_PASSWORD}",
-                             "GRADLE_ENTERPRISE_ACCESS_KEY=${GRADLE_ENTERPRISE_ACCESS_KEY}"]) {
-                                sh "./gradlew test integrationTest -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD --stacktrace"
-                            }
-                        }
+						withEnv(["JAVA_HOME=${tool 'jdk11'}"]) {
+							sh './gradlew clean test integrationTest --no-daemon --stacktrace'
+						}
 					}
 					catch (e) {
 						currentBuild.result = 'FAILED: jdk11'
@@ -87,18 +94,10 @@ try {
 			timeout(time: 45, unit: 'MINUTES') {
 				node('linux') {
 					checkout scm
-					sh "git clean -dfx"
 					try {
-                        withCredentials([GRADLE_ENTERPRISE_CACHE_USER,
-                             GRADLE_ENTERPRISE_SECRET_ACCESS_KEY,
-                             ARTIFACTORY_CREDENTIALS]) {
-                            withEnv([jdkEnv("openjdk12"),
-                             "GRADLE_ENTERPRISE_CACHE_USERNAME=${GRADLE_ENTERPRISE_CACHE_USERNAME}",
-                             "GRADLE_ENTERPRISE_CACHE_PASSWORD=${GRADLE_ENTERPRISE_CACHE_PASSWORD}",
-                             "GRADLE_ENTERPRISE_ACCESS_KEY=${GRADLE_ENTERPRISE_ACCESS_KEY}"]) {
-                                sh "./gradlew test integrationTest -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD --stacktrace"
-                            }
-                        }
+						withEnv(["JAVA_HOME=${tool 'openjdk12'}"]) {
+							sh './gradlew clean test integrationTest --no-daemon --stacktrace'
+						}
 					}
 					catch (e) {
 						currentBuild.result = 'FAILED: jdk12'
@@ -116,20 +115,18 @@ try {
 					checkout scm
 					sh "git clean -dfx"
 					try {
-                        withCredentials([SPRING_SIGNING_SECRING,
-                             SPRING_GPG_PASSPHRASE,
-                             OSSRH_CREDENTIALS,
-                             ARTIFACTORY_CREDENTIALS,
-                             GRADLE_ENTERPRISE_CACHE_USER,
-                             GRADLE_ENTERPRISE_SECRET_ACCESS_KEY]) {
-                            withEnv([jdkEnv(),
-                                 "GRADLE_ENTERPRISE_CACHE_USERNAME=${GRADLE_ENTERPRISE_CACHE_USERNAME}",
-                                 "GRADLE_ENTERPRISE_CACHE_PASSWORD=${GRADLE_ENTERPRISE_CACHE_PASSWORD}",
-                                 "GRADLE_ENTERPRISE_ACCESS_KEY=${GRADLE_ENTERPRISE_ACCESS_KEY}"]) {
-                                sh './gradlew deployArtifacts --stacktrace --no-parallel -Psigning.secretKeyRingFile=$SIGNING_KEYRING_FILE -Psigning.keyId=$SPRING_SIGNING_KEYID -Psigning.password=$SIGNING_PASSWORD -PossrhUsername=$OSSRH_USERNAME -PossrhPassword=$OSSRH_PASSWORD -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD'
-                                sh './gradlew finalizeDeployArtifacts --stacktrace --no-parallel -Psigning.secretKeyRingFile=$SIGNING_KEYRING_FILE -Psigning.keyId=$SPRING_SIGNING_KEYID -Psigning.password=$SIGNING_PASSWORD -PossrhUsername=$OSSRH_USERNAME -PossrhPassword=$OSSRH_PASSWORD -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD'
-                            }
-                        }
+						withCredentials([file(credentialsId: 'spring-signing-secring.gpg', variable: 'SIGNING_KEYRING_FILE')]) {
+							withCredentials([string(credentialsId: 'spring-gpg-passphrase', variable: 'SIGNING_PASSWORD')]) {
+								withCredentials([usernamePassword(credentialsId: 'oss-token', passwordVariable: 'OSSRH_PASSWORD', usernameVariable: 'OSSRH_USERNAME')]) {
+									withCredentials([usernamePassword(credentialsId: '02bd1690-b54f-4c9f-819d-a77cb7a9822c', usernameVariable: 'ARTIFACTORY_USERNAME', passwordVariable: 'ARTIFACTORY_PASSWORD')]) {
+										withEnv(["JAVA_HOME=${tool 'jdk8'}"]) {
+											sh './gradlew deployArtifacts --no-daemon --stacktrace -Psigning.secretKeyRingFile=$SIGNING_KEYRING_FILE -Psigning.keyId=$SPRING_SIGNING_KEYID -Psigning.password=$SIGNING_PASSWORD -PossrhUsername=$OSSRH_USERNAME -PossrhPassword=$OSSRH_PASSWORD -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD'
+                                            sh './gradlew finalizeDeployArtifacts --no-daemon --stacktrace -Psigning.secretKeyRingFile=$SIGNING_KEYRING_FILE -Psigning.keyId=$SPRING_SIGNING_KEYID -Psigning.password=$SIGNING_PASSWORD -PossrhUsername=$OSSRH_USERNAME -PossrhPassword=$OSSRH_PASSWORD -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD'
+										}
+									}
+								}
+							}
+						}
 					}
 					catch (e) {
 						currentBuild.result = 'FAILED: artifacts'
@@ -144,18 +141,10 @@ try {
 					checkout scm
 					sh "git clean -dfx"
 					try {
-                        withCredentials([JENKINS_PRIVATE_SSH_KEY,
-                             SPRING_GPG_PASSPHRASE,
-                             OSSRH_CREDENTIALS,
-                             ARTIFACTORY_CREDENTIALS,
-                             GRADLE_ENTERPRISE_CACHE_USER,
-                             GRADLE_ENTERPRISE_SECRET_ACCESS_KEY]) {
-                                withEnv([jdkEnv(),
-                                     "GRADLE_ENTERPRISE_CACHE_USERNAME=${GRADLE_ENTERPRISE_CACHE_USERNAME}",
-                                     "GRADLE_ENTERPRISE_CACHE_PASSWORD=${GRADLE_ENTERPRISE_CACHE_PASSWORD}",
-                                     "GRADLE_ENTERPRISE_ACCESS_KEY=${GRADLE_ENTERPRISE_ACCESS_KEY}"]) {
-                                    sh './gradlew deployDocs --stacktrace -PdeployDocsSshKeyPath=$DEPLOY_SSH_KEY -PdeployDocsSshUsername=$SPRING_DOCS_USERNAME'
-                             }
+						withCredentials([file(credentialsId: 'docs.spring.io-jenkins_private_ssh_key', variable: 'DEPLOY_SSH_KEY')]) {
+							withEnv(["JAVA_HOME=${tool 'jdk8'}"]) {
+								sh './gradlew deployDocs --no-daemon --stacktrace -PdeployDocsSshKeyPath=$DEPLOY_SSH_KEY -PdeployDocsSshUsername=$SPRING_DOCS_USERNAME'
+							}
 						}
 					}
 					catch (e) {

build.gradle

@@ -4,7 +4,7 @@ buildscript {
 		snapshotBuild = version.endsWith('SNAPSHOT')
 		milestoneBuild = !(releaseBuild || snapshotBuild)
 
-		springBootVersion = '2.2.9.RELEASE'
+		springBootVersion = '2.3.1.RELEASE'
 	}
 
 	repositories {
@@ -13,7 +13,7 @@ buildscript {
 	}
 
 	dependencies {
-		classpath 'io.spring.gradle:spring-build-conventions:0.0.35.RELEASE'
+		classpath 'io.spring.gradle:spring-build-conventions:0.0.32.RELEASE'
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:$springBootVersion"
 	}
 }

gradle.properties

@@ -1,3 +1,3 @@
 org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
 org.gradle.parallel=true
-version=2.3.2.RELEASE
+version=2.4.0-M1

gradle/dependency-management.gradle

@@ -1,15 +1,15 @@
 dependencyManagement {
 	imports {
-		mavenBom 'io.projectreactor:reactor-bom:Dysprosium-SR16'
-		mavenBom 'org.junit:junit-bom:5.6.3'
-		mavenBom 'org.springframework:spring-framework-bom:5.2.12.RELEASE'
-		mavenBom 'org.springframework.data:spring-data-releasetrain:Neumann-SR6'
-		mavenBom 'org.springframework.security:spring-security-bom:5.3.6.RELEASE'
-		mavenBom 'org.testcontainers:testcontainers-bom:1.15.1'
+		mavenBom 'io.projectreactor:reactor-bom:Dysprosium-SR9'
+		mavenBom 'org.junit:junit-bom:5.6.2'
+		mavenBom 'org.springframework:spring-framework-bom:5.3.0-M1'
+		mavenBom 'org.springframework.data:spring-data-bom:2020.0.0-M1'
+		mavenBom 'org.springframework.security:spring-security-bom:5.3.3.RELEASE'
+		mavenBom 'org.testcontainers:testcontainers-bom:1.14.3'
 	}
 
 	dependencies {
-		dependencySet(group: 'com.hazelcast', version: '3.12.11') {
+		dependencySet(group: 'com.hazelcast', version: '3.12.7') {
 			entry 'hazelcast'
 			entry 'hazelcast-client'
 		}
@@ -17,19 +17,19 @@ dependencyManagement {
 		dependency 'com.h2database:h2:1.4.200'
 		dependency 'com.ibm.db2:jcc:11.5.0.0'
 		dependency 'com.microsoft.sqlserver:mssql-jdbc:7.4.1.jre8'
-		dependency 'com.oracle.ojdbc:ojdbc8:19.3.0.0'
-		dependency 'com.zaxxer:HikariCP:3.4.1'
+		dependency 'com.oracle.database.jdbc:ojdbc8:19.6.0.0'
+		dependency 'com.zaxxer:HikariCP:3.4.5'
 		dependency 'edu.umd.cs.mtc:multithreadedtc:1.01'
-		dependency 'io.lettuce:lettuce-core:5.2.2.RELEASE'
+		dependency 'io.lettuce:lettuce-core:5.3.1.RELEASE'
 		dependency 'javax.annotation:javax.annotation-api:1.3.2'
 		dependency 'javax.servlet:javax.servlet-api:4.0.1'
 		dependency 'junit:junit:4.13'
-		dependency 'mysql:mysql-connector-java:8.0.21'
+		dependency 'mysql:mysql-connector-java:8.0.20'
 		dependency 'org.apache.derby:derby:10.14.2.0'
-		dependency 'org.assertj:assertj-core:3.15.0'
+		dependency 'org.assertj:assertj-core:3.16.1'
 		dependency 'org.hsqldb:hsqldb:2.5.0'
-		dependency 'org.mariadb.jdbc:mariadb-java-client:2.4.4'
+		dependency 'org.mariadb.jdbc:mariadb-java-client:2.6.1'
 		dependency 'org.mockito:mockito-core:3.3.3'
-		dependency 'org.postgresql:postgresql:42.2.16'
+		dependency 'org.postgresql:postgresql:42.2.14'
 	}
 }

spring-session-data-redis/src/integration-test/java/org/springframework/session/data/redis/AbstractRedisITests.java

@@ -29,7 +29,7 @@ import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactor
  */
 public abstract class AbstractRedisITests {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	protected static class BaseConfig {
 

spring-session-hazelcast/src/integration-test/java/org/springframework/session/hazelcast/ClientServerHazelcastIndexedSessionRepositoryITests.java

@@ -46,7 +46,7 @@ import org.springframework.test.context.web.WebAppConfiguration;
 @WebAppConfiguration
 class ClientServerHazelcastIndexedSessionRepositoryITests extends AbstractHazelcastIndexedSessionRepositoryITests {
 
-	private static GenericContainer container = new GenericContainer<>("hazelcast/hazelcast:3.12.11")
+	private static GenericContainer container = new GenericContainer<>("hazelcast/hazelcast:3.12.3")
 			.withExposedPorts(5701).withCopyFileToContainer(MountableFile.forClasspathResource("/hazelcast-server.xml"),
 					"/opt/hazelcast/hazelcast.xml");
 

spring-session-jdbc/spring-session-jdbc.gradle

@@ -16,7 +16,7 @@ dependencies {
 	integrationTestCompile "com.h2database:h2"
 	integrationTestCompile "com.ibm.db2:jcc"
 	integrationTestCompile "com.microsoft.sqlserver:mssql-jdbc"
-	integrationTestCompile "com.oracle.ojdbc:ojdbc8"
+	integrationTestCompile "com.oracle.database.jdbc:ojdbc8"
 	integrationTestCompile "com.zaxxer:HikariCP"
 	integrationTestCompile "mysql:mysql-connector-java"
 	integrationTestCompile "org.apache.derby:derby"

spring-session-samples/gradle/dependency-management.gradle

@@ -1,15 +1,15 @@
 dependencyManagement {
 	imports {
-		mavenBom 'com.fasterxml.jackson:jackson-bom:2.10.5'
+		mavenBom 'com.fasterxml.jackson:jackson-bom:2.11.0'
 	}
 
 	dependencies {
 		dependency 'ch.qos.logback:logback-classic:1.2.3'
-		dependency 'com.maxmind.geoip2:geoip2:2.3.1'
+		dependency 'com.maxmind.geoip2:geoip2:2.14.0'
 		dependency 'javax.servlet.jsp.jstl:javax.servlet.jsp.jstl-api:1.2.2'
 		dependency 'javax.servlet.jsp:javax.servlet.jsp-api:2.3.3'
 		dependency 'org.apache.taglibs:taglibs-standard-jstlel:1.2.5'
-		dependency 'org.seleniumhq.selenium:htmlunit-driver:2.33.3'
+		dependency 'org.seleniumhq.selenium:htmlunit-driver:2.36.0'
 		dependency 'org.slf4j:jcl-over-slf4j:1.7.30'
 		dependency 'org.slf4j:log4j-over-slf4j:1.7.30'
 		dependency 'org.webjars:bootstrap:2.3.2'

spring-session-samples/spring-session-sample-boot-findbyusername/src/integration-test/java/sample/FindByUsernameTests.java

@@ -46,7 +46,7 @@ import org.springframework.test.web.servlet.htmlunit.webdriver.MockMvcHtmlUnitDr
 @SpringBootTest(webEnvironment = WebEnvironment.MOCK)
 class FindByUsernameTests {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@Autowired
 	private MockMvc mockMvc;

spring-session-samples/spring-session-sample-boot-redis-json/src/integration-test/java/sample/HttpRedisJsonTest.java

@@ -50,7 +50,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 @AutoConfigureMockMvc
 class HttpRedisJsonTest {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@Autowired
 	private MockMvc mockMvc;

spring-session-samples/spring-session-sample-boot-redis-json/src/integration-test/java/sample/RedisSerializerTest.java

@@ -39,7 +39,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 @SpringBootTest
 class RedisSerializerTest {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@SpringSessionRedisOperations
 	private RedisTemplate<Object, Object> sessionRedisTemplate;

spring-session-samples/spring-session-sample-boot-redis-simple/src/integration-test/java/sample/BootTests.java

@@ -41,7 +41,7 @@ import org.springframework.test.web.servlet.htmlunit.webdriver.MockMvcHtmlUnitDr
 @SpringBootTest(webEnvironment = WebEnvironment.MOCK)
 class BootTests {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@Autowired
 	private MockMvc mockMvc;

spring-session-samples/spring-session-sample-boot-redis/src/integration-test/java/sample/BootTests.java

@@ -45,7 +45,7 @@ import org.springframework.test.web.servlet.htmlunit.webdriver.MockMvcHtmlUnitDr
 @SpringBootTest(webEnvironment = WebEnvironment.MOCK)
 class BootTests {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@Autowired
 	private MockMvc mockMvc;

spring-session-samples/spring-session-sample-boot-webflux-custom-cookie/src/integration-test/java/sample/AttributeTests.java

@@ -45,7 +45,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 @SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
 class AttributeTests {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.9";
 
 	@LocalServerPort
 	private int port;

spring-session-samples/spring-session-sample-boot-webflux-custom-cookie/src/main/java/sample/SessionController.java

@@ -36,7 +36,7 @@ public class SessionController {
 	@GetMapping("/")
 	public String index(Model model, WebSession webSession) {
 		model.addAttribute("webSession", webSession);
-		return "index";
+		return "home";
 	}
 
 }

spring-session-samples/spring-session-sample-boot-webflux/src/integration-test/java/sample/AttributeTests.java

@@ -47,7 +47,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 @SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
 class AttributeTests {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@LocalServerPort
 	private int port;

spring-session-samples/spring-session-sample-boot-webflux/src/main/java/sample/SessionController.java

@@ -36,7 +36,7 @@ public class SessionController {
 	@GetMapping("/")
 	public String index(Model model, WebSession webSession) {
 		model.addAttribute("webSession", webSession);
-		return "index";
+		return "home";
 	}
 
 	private static final long serialVersionUID = 2878267318695777395L;

spring-session-samples/spring-session-sample-boot-websocket/spring-session-sample-boot-websocket.gradle

@@ -8,6 +8,7 @@ dependencies {
 	compile "org.springframework.boot:spring-boot-starter-data-jpa"
 	compile "org.springframework.boot:spring-boot-starter-data-redis"
 	compile "org.springframework.boot:spring-boot-starter-websocket"
+	compile "org.springframework.boot:spring-boot-starter-validation"
 	compile "org.springframework.boot:spring-boot-devtools"
 	compile "org.springframework:spring-websocket"
 	compile "org.springframework.security:spring-security-messaging"

spring-session-samples/spring-session-sample-boot-websocket/src/integration-test/java/sample/ApplicationTests.java

@@ -52,7 +52,7 @@ import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
 @SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
 class ApplicationTests {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@Value("${local.server.port}")
 	private String port;

spring-session-samples/spring-session-sample-javaconfig-custom-cookie/src/main/java/sample/EmbeddedRedisConfig.java

@@ -28,7 +28,7 @@ import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactor
 @Profile("embedded-redis")
 public class EmbeddedRedisConfig {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@Bean
 	public GenericContainer redisContainer() {

spring-session-samples/spring-session-sample-javaconfig-redis/src/main/java/sample/EmbeddedRedisConfig.java

@@ -28,7 +28,7 @@ import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactor
 @Profile("embedded-redis")
 public class EmbeddedRedisConfig {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@Bean
 	public GenericContainer redisContainer() {

spring-session-samples/spring-session-sample-javaconfig-rest/spring-session-sample-javaconfig-rest.gradle

@@ -22,4 +22,5 @@ dependencies {
 
 gretty {
 	jvmArgs = ['-Dspring.profiles.active=embedded-redis']
+	servletContainer = 'tomcat9'
 }

spring-session-samples/spring-session-sample-javaconfig-rest/src/integration-test/java/rest/RestMockMvcTests.java

@@ -53,7 +53,7 @@ import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.
 @WebAppConfiguration
 class RestMockMvcTests {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@Autowired
 	private SessionRepositoryFilter<? extends Session> sessionRepositoryFilter;

spring-session-samples/spring-session-sample-javaconfig-rest/src/main/java/sample/EmbeddedRedisConfig.java

@@ -28,7 +28,7 @@ import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactor
 @Profile("embedded-redis")
 public class EmbeddedRedisConfig {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@Bean
 	public GenericContainer redisContainer() {

spring-session-samples/spring-session-sample-javaconfig-security/src/main/java/sample/EmbeddedRedisConfig.java

@@ -28,7 +28,7 @@ import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactor
 @Profile("embedded-redis")
 public class EmbeddedRedisConfig {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@Bean
 	public GenericContainer redisContainer() {

spring-session-samples/spring-session-sample-xml-redis/src/main/java/sample/EmbeddedRedisConfig.java

@@ -28,7 +28,7 @@ import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactor
 @Profile("embedded-redis")
 public class EmbeddedRedisConfig {
 
-	private static final String DOCKER_IMAGE = "redis:5.0.10";
+	private static final String DOCKER_IMAGE = "redis:5.0.6";
 
 	@Bean
 	public GenericContainer redisContainer() {