See <https://builds.apache.org/hudson/job/Hama-Nightly/185/changes>
- Build failed in Jenkins: Hama-Nightly #182 Apache Jenkins Server
- Build failed in Jenkins: Hama-Nightly #183 Apache Jenkins Server
- Build failed in Jenkins: Hama-Nightly #184 Apache Jenkins Server
- Jenkins build is back to normal : Hama-... Apache Jenkins Server
