See <https://hudson.apache.org/hudson/job/OpenJPA-2.1.x-deploy/15/changes>
- Build failed in Hudson: OpenJPA-2.1.x-deploy #12 Apache Hudson Server
- Build failed in Hudson: OpenJPA-2.1.x-deploy #13 Apache Hudson Server
- Build failed in Hudson: OpenJPA-2.1.x-deploy... Apache Hudson Server
- Hudson build is unstable: OpenJPA-2.1.x-... Apache Hudson Server
- Hudson build is back to stable : Ope... Apache Hudson Server
