Use JDK 21 for build and container images

Author: rjeberhard

.github/workflows/release.yml

@@ -25,8 +25,8 @@ jobs:
       - name: Set up JDK
         uses: actions/setup-java@v3
         with:
-          distribution: 'temurin'
-          java-version: 17
+          distribution: 'oracle'
+          java-version: 21
 
       - name: Cache Maven packages
         uses: actions/cache@v3

Dockerfile

@@ -4,8 +4,8 @@
 # -------------------------
 FROM ghcr.io/oracle/oraclelinux:9-slim AS jre-build
 
-ENV JAVA_URL_X64="https://download.oracle.com/java/17/archive/jdk-17.0.8_linux-x64_bin.tar.gz"
-ENV JAVA_URL_AARCH64="https://download.oracle.com/java/17/archive/jdk-17.0.8_linux-aarch64_bin.tar.gz"
+ENV JAVA_URL_X64="https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.tar.gz"
+ENV JAVA_URL_AARCH64="https://download.oracle.com/java/21/latest/jdk-21_linux-aarch64_bin.tar.gz"
 
 RUN set -eux; \
     microdnf -y install gzip tar; \

Jenkinsfile

@@ -69,7 +69,7 @@ pipeline {
 
     tools {
         maven 'maven-3.8.7'
-        jdk 'jdk17'
+        jdk 'jdk21'
     }
 
     environment {

Jenkinsfile.kindnightly

@@ -76,7 +76,7 @@ pipeline {
 
     tools {
         maven 'maven-3.8.7'
-        jdk 'jdk17'
+        jdk 'jdk21'
     }
 
     environment {

Jenkinsfile.oke

@@ -10,8 +10,8 @@ pipeline {
     }
 
     tools {
-        maven 'maven-3.8.5'
-        jdk 'OpenJDK 17.0.2'
+        maven 'maven-3.8.7'
+        jdk 'jdk21'
     }
 
     environment {

pom.xml

@@ -46,7 +46,7 @@
           <artifactId>maven-compiler-plugin</artifactId>
           <version>${maven-compiler-plugin-version}</version>
           <configuration>
-            <release>11</release>
+            <release>21</release>
             <compilerArgs>
               <arg>-Xpkginfo:always</arg>
               <arg>-Xlint:all</arg>
@@ -636,9 +636,9 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <src-integration-test>${project.basedir}/src/test/java</src-integration-test>
     <resource-integration-test>${project.basedir}/src/test/resources</resource-integration-test>
-    <maven.compiler.source>11</maven.compiler.source>
-    <maven.compiler.target>11</maven.compiler.target>
-    <java.version.range>11</java.version.range>
+    <maven.compiler.source>21</maven.compiler.source>
+    <maven.compiler.target>21</maven.compiler.target>
+    <java.version.range>21</java.version.range>
     <maven.version.range>[3.8.1,)</maven.version.range>
     <maven-enforcer-plugin-version>3.4.1</maven-enforcer-plugin-version>
     <maven-clean-plugin-version>3.3.1</maven-clean-plugin-version>