Fixes piranhacloud#3540 - Update to Java 21

.github/workflows/build.yml

@@ -14,17 +14,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: [ '17', '20' ]
         os: [ubuntu-latest, windows-latest]
     steps:
     - name: Checkout Sources
       uses: actions/checkout@v3
-    - name: Setup Java
+    - name: Setup Java 21
       uses: actions/setup-java@v3
       with:
         cache: 'maven'
         distribution: 'temurin'
-        java-version: ${{ matrix.java }}
+        java-version: 21
     - name: Build with Maven
       run: mvn --no-transfer-progress -B install
     - name: Publish Unit Test Results
@@ -46,12 +45,12 @@ jobs:
       uses: github/codeql-action/init@v2
       with:
         languages: 'java'
-    - name: Setup Java
+    - name: Setup Java 21
       uses: actions/setup-java@v3
       with:
         cache: 'maven'
         distribution: 'temurin'
-        java-version: '17'
+        java-version: '21'
     - name: Build with Maven
       run: mvn -B -DskipTests=true -DskipITs=true --ntp install
     - name: Perform CodeQL Analysis
@@ -62,12 +61,12 @@ jobs:
     steps:
     - name: Checkout sources
       uses: actions/checkout@v3
-    - name: Set up Java
+    - name: Set up Java 21
       uses: actions/setup-java@v3
       with:
         cache: 'maven'
         distribution: 'temurin'
-        java-version: 17
+        java-version: 21
     - name: Build with Maven
       run: mvn -B -Dmaven.javadoc.skip=true -DskipTests=true -DskipITs=true -ntp -P '!test' verify
     - name: Login to GHCR
@@ -123,63 +122,18 @@ jobs:
         mvn -B -Dmaven.javadoc.skip=true -DskipTests=true -DskipITs=true -ntp -P '!test' install
         cd dist/webprofile
         mvn -B -DskipTests=true -DskipITs=true -ntp -P docker deploy
-  early-access:
-    if: github.repository == 'piranhacloud/piranha'
-    runs-on: ${{ matrix.os }}
-    continue-on-error: true
-    strategy:
-      fail-fast: false
-      matrix:
-        java: [ 'EA' ]
-        os: [ubuntu-latest]
-    steps:
-    - name: Checkout Sources
-      uses: actions/checkout@v3
-    - name: Setup Java ${{ matrix.java }}
-      uses: oracle-actions/setup-java@v1
-      with:
-        website: jdk.java.net
-        release: ${{ matrix.java }}
-    - name: Build with Maven
-      run: mvn -B --ntp install -Djacoco.skip=true
-    - name: Publish Unit Test Results
-      uses: EnricoMi/publish-unit-test-result-action@v1
-      if: always()
-      with:
-        files: '**/target/surefire-reports/*.xml'
-  sonarcloud:
-    if: github.repository == 'piranhacloud/piranha' && github.event_name != 'pull_request'
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout sources
-      uses: actions/checkout@v3
-      with:
-        fetch-depth: 10
-    - name: Set up Java
-      uses: actions/setup-java@v2
-      with:
-        distribution: 'temurin'
-        java-version: 17
-    - name: Analyze with SonarCloud
-      run: |
-        mvn -B -ntp install verify site \
-        sonar:sonar -Dsonar.projectKey=piranhacloud_piranha \
-        -Dsonar.organization=piranhacloud -Dsonar.host.url=https://sonarcloud.io
-      env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
   sonatype:
     if: github.repository == 'piranhacloud/piranha' && github.event_name != 'pull_request'
     runs-on: ubuntu-latest
     steps:
     - name: Checkout sources
       uses: actions/checkout@v3
-    - name: Set up Java
+    - name: Set up Java 21
       uses: actions/setup-java@v3
       with:
         cache: 'maven'
         distribution: 'temurin'
-        java-version: 20
+        java-version: 21
         server-id: ossrh
         server-username: MAVEN_USERNAME
         server-password: MAVEN_PASSWORD
@@ -201,12 +155,12 @@ jobs:
         token: ${{ secrets.GIT_PASSWORD }}
         path: piranha-website
         ref: 'gh-pages'
-    - name: Set up Java
+    - name: Set up Java 21
       uses: actions/setup-java@v3
       with:
         cache: 'maven'
         distribution: 'temurin'
-        java-version: 20
+        java-version: 21
     - name: Build with Maven
       run: |
         mvn -B -DskipTests -DskipITs -ntp install

.github/workflows/release.yml

@@ -9,12 +9,12 @@ jobs:
     steps:
     - name: Checkout sources
       uses: actions/checkout@v3
-    - name: Set up Java
+    - name: Set up Java 21
       uses: actions/setup-java@v3
       with:
         cache: 'maven'
         distribution: 'temurin'
-        java-version: 20
+        java-version: 21
         server-id: ossrh
         server-username: MAVEN_USERNAME
         server-password: MAVEN_PASSWORD

.github/workflows/tck-server.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        java: [ '17' ]
+        java: [ '21' ]
         os: [ubuntu-latest]
     steps:
     - name: Checkout Sources
@@ -32,7 +32,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        java: [ '17' ]
+        java: [ '21' ]
         os: [ubuntu-latest]
     steps:
     - name: Checkout sources
@@ -55,7 +55,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        java: [ '17' ]
+        java: [ '21' ]
         os: [ubuntu-latest]
     steps:
     - name: Checkout sources

pom.xml

@@ -158,6 +158,7 @@
         <tidy-maven-plugin.version>1.2.0</tidy-maven-plugin.version>
         <versions-maven-plugin.version>2.16.0</versions-maven-plugin.version>
         <!-- other -->
+        <java.version>21</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
@@ -852,7 +853,7 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <inherited>true</inherited>
                 <configuration>
-                    <release>17</release>
+                    <release>${java.version}</release>
                 </configuration>
             </plugin>
             <plugin>