Merge pull request #815 from TNO/814-upgrade-ke-to-java-version-21

Update to Java 21

Author: bnouwt

.github/workflows/docker-image.yml

@@ -14,10 +14,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - name: Set up JDK 17
+    - name: Set up JDK 25
       uses: actions/setup-java@v3
       with:
-        java-version: '17'
+        java-version: '25'
         distribution: 'temurin'
     - uses: actions/checkout@v4
     - name: Set up QEMU

.github/workflows/draft-release.yml

@@ -16,7 +16,7 @@ jobs:
   setup:
     runs-on: ubuntu-latest
     container:
-      image: maven:3.9.9-eclipse-temurin-17-focal
+      image: maven:3.9.14-eclipse-temurin-25
       options: --user 1001
 
     steps:

.github/workflows/maven.yml

@@ -21,7 +21,7 @@ env:
 jobs:
   build:
     runs-on: ubuntu-latest
-    container: maven:3.8.7-eclipse-temurin-17-alpine
+    container: maven:3.9.14-eclipse-temurin-25
 
     steps:
     - uses: actions/checkout@v4

admin-ui/Dockerfile

@@ -1,4 +1,4 @@
-FROM eclipse-temurin:21-alpine
+FROM eclipse-temurin:25-alpine
 LABEL org.opencontainers.image.source https://github.com/tno/knowledge-engine
 LABEL org.opencontainers.image.description="Knowledge Engine: Admin UI"
 LABEL org.opencontainers.image.licenses=Apache-2.0

knowledge-directory/Dockerfile

@@ -1,4 +1,4 @@
-FROM eclipse-temurin:21-alpine
+FROM eclipse-temurin:25-alpine
 LABEL org.opencontainers.image.source https://github.com/tno/knowledge-engine
 LABEL org.opencontainers.image.description="Knowledge Engine: Knowledge Directory"
 LABEL org.opencontainers.image.licenses=Apache-2.0

pom.xml

@@ -76,8 +76,8 @@
 		<jersey3-version>3.1.11</jersey3-version>
 		<jackson-version>2.20.2</jackson-version>
 		<junit-jupiter-version>6.0.3</junit-jupiter-version>
-		<maven.compiler.source>17</maven.compiler.source>
-		<maven.compiler.target>17</maven.compiler.target>
+		<maven.compiler.source>25</maven.compiler.source>
+		<maven.compiler.target>25</maven.compiler.target>
 		<revision>1.4.1-SNAPSHOT</revision>
 	</properties>
 

smart-connector-rest-dist/Dockerfile

@@ -1,4 +1,4 @@
-FROM eclipse-temurin:21-alpine
+FROM eclipse-temurin:25-alpine
 LABEL org.opencontainers.image.source https://github.com/tno/knowledge-engine
 LABEL org.opencontainers.image.description="Knowledge Engine: Smart Connector (with HTTP API)"
 LABEL org.opencontainers.image.licenses=Apache-2.0