See <https://builds.apache.org/job/Tez-Build/1460/changes>
- Build failed in Jenkins: Tez-Build #1457 Apache Jenkins Server
- Build failed in Jenkins: Tez-Build #1458 Apache Jenkins Server
- Build failed in Jenkins: Tez-Build #1459 Apache Jenkins Server
- Jenkins build is back to normal : Tez-B... Apache Jenkins Server
