See <https://builds.apache.org/job/OpenJPA-20x-deploy/100/changes>
- Jenkins build became unstable: OpenJPA-20x-deploy #... Apache Jenkins Server
- Jenkins build is still unstable: OpenJPA-20x-de... Apache Jenkins Server
- Jenkins build is still unstable: OpenJPA-20... Apache Jenkins Server
- Jenkins build is back to stable : OpenJ... Apache Jenkins Server
