Fix Java 17 test CI and remove Java 11 variant

This commit fixes configuration and runtime issues with the Java 17 test
CI variant and removes the Java 11 one, now that Spring Framework 5.3.x
is in maintenance mode.

ci/images/ci-image/Dockerfile

@@ -5,7 +5,6 @@ ADD get-jdk-url.sh /get-jdk-url.sh
 RUN ./setup.sh java8
 
 ENV JAVA_HOME /opt/openjdk/java8
-ENV JDK11 /opt/openjdk/java11
 ENV JDK17 /opt/openjdk/java17
 
 ENV PATH $JAVA_HOME/bin:$PATH

ci/images/get-jdk-url.sh

@@ -5,15 +5,9 @@ case "$1" in
 	java8)
 		 echo "https://github.com/bell-sw/Liberica/releases/download/8u345+1/bellsoft-jdk8u345+1-linux-amd64.tar.gz"
 	;;
-	java11)
-		 echo "https://github.com/bell-sw/Liberica/releases/download/11.0.16+8/bellsoft-jdk11.0.16+8-linux-amd64.tar.gz"
-	;;
 	java17)
 		echo "https://github.com/bell-sw/Liberica/releases/download/17.0.4+8/bellsoft-jdk17.0.4+8-linux-amd64.tar.gz"
 	;;
-	java18)
-		echo "https://github.com/bell-sw/Liberica/releases/download/18.0.2+10/bellsoft-jdk18.0.2+10-linux-amd64.tar.gz"
-	;;
 	*)
 		echo $"Unknown java version"
 		exit 1

ci/images/setup.sh

@@ -20,7 +20,7 @@ curl https://raw.githubusercontent.com/spring-io/concourse-java-scripts/v0.0.4/c
 
 mkdir -p /opt/openjdk
 pushd /opt/openjdk > /dev/null
-for jdk in java8 java11 java17
+for jdk in java8 java17
 do
   JDK_URL=$( /get-jdk-url.sh $jdk )
   mkdir $jdk

ci/pipeline.yml

@@ -125,14 +125,6 @@ resources:
     access_token: ((github-ci-status-token))
     branch: ((branch))
     context: build
-- name: repo-status-jdk11-build
-  type: github-status-resource
-  icon: eye-check-outline
-  source:
-    repository: ((github-repo-name))
-    access_token: ((github-ci-status-token))
-    branch: ((branch))
-    context: jdk11-build
 - name: repo-status-jdk17-build
   type: github-status-resource
   icon: eye-check-outline
@@ -237,34 +229,6 @@ jobs:
           "zip.type": "schema"
     get_params:
       threads: 8
-- name: jdk11-build
-  serial: true
-  public: true
-  plan:
-  - get: ci-image
-  - get: git-repo
-  - get: every-morning
-    trigger: true
-  - put: repo-status-jdk11-build
-    params: { state: "pending", commit: "git-repo" }
-  - do:
-    - task: check-project
-      image: ci-image
-      file: git-repo/ci/tasks/check-project.yml
-      privileged: true
-      timeout: ((task-timeout))
-      params:
-        TEST_TOOLCHAIN: 11
-        <<: *build-project-task-params
-    on_failure:
-      do:
-      - put: repo-status-jdk11-build
-        params: { state: "failure", commit: "git-repo" }
-      - put: slack-alert
-        params:
-          <<: *slack-fail-params
-  - put: repo-status-jdk11-build
-    params: { state: "success", commit: "git-repo" }
 - name: jdk17-build
   serial: true
   public: true
@@ -282,7 +246,7 @@ jobs:
         privileged: true
         timeout: ((task-timeout))
         params:
-          TEST_TOOLCHAIN: 15
+          TEST_TOOLCHAIN: 17
           <<: *build-project-task-params
       on_failure:
         do:
@@ -471,7 +435,7 @@ jobs:
 
 groups:
 - name: "builds"
-  jobs: ["build", "jdk11-build", "jdk17-build"]
+  jobs: ["build", "jdk17-build"]
 - name: "releases"
   jobs: ["stage-milestone", "stage-rc", "stage-release", "promote-milestone", "promote-rc", "promote-release", "create-github-release"]
 - name: "ci-images"

ci/scripts/check-project.sh

@@ -4,6 +4,6 @@ set -e
 source $(dirname $0)/common.sh
 
 pushd git-repo > /dev/null
-./gradlew -Dorg.gradle.internal.launcher.welcomeMessageEnabled=false -Porg.gradle.java.installations.fromEnv=JDK11,JDK15 \
+./gradlew -Dorg.gradle.internal.launcher.welcomeMessageEnabled=false -Porg.gradle.java.installations.fromEnv=JDK17 \
   -PmainToolchain=${MAIN_TOOLCHAIN} -PtestToolchain=${TEST_TOOLCHAIN} --no-daemon --max-workers=4 check
 popd > /dev/null