downgraded to java 21

.github/workflows/build_deploy_dev.yml

@@ -39,6 +39,9 @@ jobs:
         with:
           maven-version: 3.9.6
 
+      - name: Build with Maven
+        run: mvn -Dtoken=${{ secrets.token }} clean compile jib:build -e
+
       - name: Cache local Maven repository
         uses: https://github.com/actions/cache/save@v4
         id: maven-cache-save
@@ -46,8 +49,4 @@ jobs:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
-            ${{ runner.os }}-maven
-
-      - name: Build with Maven
-        run: mvn -Dtoken=${{ secrets.token }} clean package jib:build
-
+            ${{ runner.os }}-maven

pom.xml

@@ -20,9 +20,9 @@
         <module>dummy</module>
     </modules>
     <properties>
-        <java.version>22</java.version>
-        <maven.compiler.source>22</maven.compiler.source>
-        <maven.compiler.target>22</maven.compiler.target>
+        <java.version>21</java.version>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
         <spring-cloud.version>2023.0.1</spring-cloud.version>
     </properties>
     <dependencies>
@@ -73,7 +73,7 @@
                 <version>3.4.2</version>
                 <configuration>
                     <from>
-                        <image>eclipse-temurin:22-jre</image>
+                        <image>eclipse-temurin:21-jre</image>
                         <!-- <auth>
                             <username>${dockerusername}</username>
                             <password>${dockerpassword}</password>