See <https://builds.apache.org/job/beam_PreCommit_Java_Cron/500/display/redirect?page=changes>
- Build failed in Jenkins: beam_PreCommit_Java_Cron #4... Apache Jenkins Server
- Build failed in Jenkins: beam_PreCommit_Java_Cr... Apache Jenkins Server
- Build failed in Jenkins: beam_PreCommit_Jav... Apache Jenkins Server
- Build failed in Jenkins: beam_PreCommit... Apache Jenkins Server
- Build failed in Jenkins: beam_PreCo... Apache Jenkins Server
- Jenkins build is back to norma... Apache Jenkins Server