See <https://builds.apache.org/job/Hama-trunk/319/changes>
- Build failed in Jenkins: Hama-trunk #314 Apache Jenkins Server
- Build failed in Jenkins: Hama-trunk #315 Apache Jenkins Server
- Build failed in Jenkins: Hama-trunk #316 Apache Jenkins Server
- Build failed in Jenkins: Hama-trunk #31... Apache Jenkins Server
- Build failed in Jenkins: Hama-trunk... Apache Jenkins Server
- Jenkins build is back to norma... Apache Jenkins Server
