See <https://builds.apache.org/job/bookkeeper-trunk/598/>
- Build failed in Jenkins: bookkeeper-trunk #594 Apache Jenkins Server
- Build failed in Jenkins: bookkeeper-trunk #595 Apache Jenkins Server
- Build failed in Jenkins: bookkeeper-trunk #... Apache Jenkins Server
- Build failed in Jenkins: bookkeeper-tru... Apache Jenkins Server
- Jenkins build is unstable: bookkeep... Apache Jenkins Server
