See <https://builds.apache.org/job/Tez-Build-Hadoop-2.4/252/changes>
- Build failed in Jenkins: Tez-Build-Hadoop-2.4 #250 Apache Jenkins Server
- Build failed in Jenkins: Tez-Build-Hadoop-2.4 #... Apache Jenkins Server
- Jenkins build is back to normal : Tez-Build... Apache Jenkins Server
