See <https://builds.apache.org/job/Chukwa-trunk/451/>
- Build failed in Jenkins: Chukwa-trunk #446 Apache Jenkins Server
- Build failed in Jenkins: Chukwa-trunk #447 Apache Jenkins Server
- Build failed in Jenkins: Chukwa-trunk #448 Apache Jenkins Server
- Build failed in Jenkins: Chukwa-trunk #... Apache Jenkins Server
- Jenkins build is back to normal : C... Apache Jenkins Server
