See <https://builds.apache.org/job/OpenJPA-221x-deploy/52/changes>
- Build failed in Jenkins: OpenJPA-221x-deploy #48 Apache Jenkins Server
- Build failed in Jenkins: OpenJPA-221x-deploy #4... Apache Jenkins Server
- Build failed in Jenkins: OpenJPA-221x-deplo... Apache Jenkins Server
- Build failed in Jenkins: OpenJPA-221x-d... Apache Jenkins Server
- Jenkins build is back to normal : O... Apache Jenkins Server
