See <https://builds.apache.org/job/beam_PostCommit_Java_MavenInstall/4660/display/redirect>
- Build failed in Jenkins: beam_PostCommit_Java_MavenI... Apache Jenkins Server
- Jenkins build is unstable: beam_PostCommit_Java... Apache Jenkins Server
- Jenkins build is still unstable: beam_PostC... Apache Jenkins Server
- Jenkins build is still unstable: beam_P... Apache Jenkins Server
- Jenkins build is back to stable : b... Apache Jenkins Server
