See <https://builds.apache.org/job/Nutch-trunk/3186/changes>
- Build failed in Jenkins: Nutch-trunk #3181 Apache Jenkins Server
- Build failed in Jenkins: Nutch-trunk #3182 Apache Jenkins Server
- Build failed in Jenkins: Nutch-trunk #3183 Apache Jenkins Server
- Build failed in Jenkins: Nutch-trunk #3... Apache Jenkins Server
- Build failed in Jenkins: Nutch-trun... Apache Jenkins Server
- Jenkins build is back to norma... Apache Jenkins Server
