See <https://builds.apache.org/job/Tez-qbt-0.9-snapshots/7/display/redirect?page=changes>
- Build failed in Jenkins: Tez-qbt-0.9-snapshots #5 Apache Jenkins Server
- Build failed in Jenkins: Tez-qbt-0.9-snapshots ... Apache Jenkins Server
- Jenkins build is back to normal : Tez-qbt-0... Apache Jenkins Server
