See <https://builds.apache.org/job/Hama-Nightly-for-Hadoop-2.x/332/>
- Build failed in Jenkins: Hama-Nightly-for-Hadoop-2.x... Apache Jenkins Server
- Build failed in Jenkins: Hama-Nightly-for-Hadoo... Apache Jenkins Server
- Build failed in Jenkins: Hama-Nightly-for-H... Apache Jenkins Server
- Build failed in Jenkins: Hama-Nightly-f... Apache Jenkins Server
- Build failed in Jenkins: Hama-Night... Apache Jenkins Server
- Build failed in Jenkins: Hama-... Apache Jenkins Server
- Jenkins build is back to n... Apache Jenkins Server
