fix build

java/.gitlab-ci.yml

@@ -6,9 +6,9 @@
     - echo "$CI_REGISTRY_PASSWORD" | buildah login -u "$CI_REGISTRY_USER" --password-stdin "$CI_REGISTRY"
     - buildah push ${FQ_IMAGE_NAME}:java${JAVA_VERSION}
   rules:
-    - changes:
-        - java/**
+    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
     - if: '$CI_PIPELINE_SOURCE == "schedule"'
+    - when: never
 
 build_java21:
   <<: *build_template