See <https://builds.apache.org/job/bookkeeper-master/1872/display/redirect?page=changes>
- Build failed in Jenkins: bookkeeper-master #1862 Apache Jenkins Server
- Build failed in Jenkins: bookkeeper-master #1863 Apache Jenkins Server
- Build failed in Jenkins: bookkeeper-master #1864 Apache Jenkins Server
- Build failed in Jenkins: bookkeeper-master #1865 Apache Jenkins Server
- Build failed in Jenkins: bookkeeper-master #1866 Apache Jenkins Server
- Build failed in Jenkins: bookkeeper-master #1867 Apache Jenkins Server
- Build failed in Jenkins: bookkeeper-master #1868 Apache Jenkins Server
- Build failed in Jenkins: bookkeeper-master #1869 Apache Jenkins Server
- Build failed in Jenkins: bookkeeper-master #1870 Apache Jenkins Server
- Build failed in Jenkins: bookkeeper-master #1871 Apache Jenkins Server
- Jenkins build is back to normal : bookkeeper-master ... Apache Jenkins Server
