Switch to JDK21

Author: oharsta

.github/workflows/actions.yml

@@ -27,7 +27,7 @@ jobs:
 
     - uses: actions/setup-java@v4
       with:
-        java-version: 17
+        java-version: 21
         distribution: "temurin"
     - uses: actions/cache@v4
       with:

.github/workflows/deploy.yml

@@ -16,10 +16,10 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: "17"
+          java-version: "21"
           distribution: "temurin"
           server-id: openconext-releases
           server-username: MAVEN_USERNAME
@@ -49,21 +49,21 @@ jobs:
           exit 1
         if: github.event_name != 'workflow_dispatch' && steps.versioncheck.outputs.version != github.ref_name
 
-      - name: Set up JDK 17 for snapshots
+      - name: Set up JDK 21 for snapshots
         uses: actions/setup-java@v4
         with:
-          java-version: "17"
+          java-version: "21"
           distribution: "temurin"
           cache: "maven"
           server-id: openconext-snapshots
           server-username: MAVEN_USERNAME
           server-password: MAVEN_PASSWORD
         if: ( endsWith(steps.versioncheck.outputs.version, '-SNAPSHOT'))
 
-      - name: Set up JDK 17 for releases
+      - name: Set up JDK 21 for releases
         uses: actions/setup-java@v4
         with:
-          java-version: "17"
+          java-version: "21"
           distribution: "temurin"
           cache: "maven"
           server-id: openconext-releases

oidc/docker/Dockerfile

@@ -1,3 +1,3 @@
-FROM eclipse-temurin:17-jdk-alpine
+FROM eclipse-temurin:21-jdk-alpine
 COPY target/*.jar app.jar
 ENTRYPOINT ["java","-jar","/app.jar"]

pom.xml

@@ -29,7 +29,7 @@
         <jacoco-maven-plugin.version>0.8.12</jacoco-maven-plugin.version>
         <jackson-dataformat-xml.version>2.15.0</jackson-dataformat-xml.version>
         <jakarta.xml.bind-api.version>4.0.2</jakarta.xml.bind-api.version>
-        <java.version>17</java.version>
+        <java.version>21</java.version>
         <javase.version>3.5.3</javase.version>
         <junit-vintage-engine.version>5.10.2</junit-vintage-engine.version>
         <logstash-logback-encoder.version>6.4</logstash-logback-encoder.version>
@@ -83,7 +83,7 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>${maven-compiler-plugin.version}</version>
                 <configuration>
-                    <release>17</release>
+                    <release>21</release>
                 </configuration>
             </plugin>
             <plugin>