See <https://builds.apache.org/job/Flume-trunk-hbase-1/326/display/redirect?page=changes>
- Jenkins build became unstable: Flume-trunk-hbase-1 ... Apache Jenkins Server
- Build failed in Jenkins: Flume-trunk-hbase-1 #3... Apache Jenkins Server
- Jenkins build is back to normal : Flume-tru... Apache Jenkins Server