See <https://builds.apache.org/job/river-qa-refactoring-jdk7/27/changes>
- Build failed in Jenkins: river-qa-refactoring-jdk7 #... Apache Jenkins Server
- Build failed in Jenkins: river-qa-refactoring-j... Apache Jenkins Server
- Build failed in Jenkins: river-qa-refactori... Apache Jenkins Server
- Jenkins build is back to normal : river... Apache Jenkins Server
