See <https://builds.apache.org/job/River-trunk-jdk7/183/changes>
- Build failed in Jenkins: River-trunk-jdk7 #179 Apache Jenkins Server
- Build failed in Jenkins: River-trunk-jdk7 #180 Apache Jenkins Server
- Build failed in Jenkins: River-trunk-jdk7 #... Apache Jenkins Server
- Jenkins build is unstable: River-trunk-... Apache Jenkins Server
- Jenkins build is back to stable : R... Apache Jenkins Server
