Use JDK 11 for Artifacts

Issue gh-626

Author: jzheaux

Jenkinsfile

@@ -44,7 +44,7 @@ try {
 							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=${ tool 'jdk8' }"]) {
+										withEnv(["JAVA_HOME=${ tool 'jdk11' }"]) {
 											sh "./gradlew deployArtifacts finalizeDeployArtifacts -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD -Psigning.secretKeyRingFile=$SIGNING_KEYRING_FILE -Psigning.keyId=$SPRING_SIGNING_KEYID -Psigning.password='$SIGNING_PASSWORD' -PossrhUsername=$OSSRH_USERNAME -PossrhPassword=$OSSRH_PASSWORD -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD --refresh-dependencies --no-daemon --stacktrace"
 										}
 									}
@@ -62,7 +62,7 @@ try {
 					sh "git clean -dfx"
 					withCredentials([ARTIFACTORY_CREDENTIALS]) {
 						withCredentials([file(credentialsId: 'docs.spring.io-jenkins_private_ssh_key', variable: 'DEPLOY_SSH_KEY')]) {
-							withEnv(["JAVA_HOME=${ tool 'jdk8' }"]) {
+							withEnv(["JAVA_HOME=${ tool 'jdk11' }"]) {
 								sh "./gradlew deployDocs -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD -PdeployDocsHost=docs-ip.spring.io -PdeployDocsSshKeyPath=$DEPLOY_SSH_KEY -PdeployDocsSshUsername=$SPRING_DOCS_USERNAME --refresh-dependencies --no-daemon --stacktrace"
 							}
 						}
@@ -77,7 +77,7 @@ try {
 					sh "git clean -dfx"
 					withCredentials([ARTIFACTORY_CREDENTIALS]) {
 						withCredentials([file(credentialsId: 'docs.spring.io-jenkins_private_ssh_key', variable: 'DEPLOY_SSH_KEY')]) {
-							withEnv(["JAVA_HOME=${ tool 'jdk8' }"]) {
+							withEnv(["JAVA_HOME=${ tool 'jdk11' }"]) {
 								sh "./gradlew deploySchema -PartifactoryUsername=$ARTIFACTORY_USERNAME -PartifactoryPassword=$ARTIFACTORY_PASSWORD -PdeployDocsHost=docs-ip.spring.io -PdeployDocsSshKeyPath=$DEPLOY_SSH_KEY -PdeployDocsSshUsername=$SPRING_DOCS_USERNAME --refresh-dependencies --no-daemon --stacktrace"
 							}
 						}