See <https://builds.apache.org/job/UIMA-Ruta/org.apache.uima$ruta-core/279/changes>
- Jenkins build became unstable: UIMA-Ruta » Apache U... Apache Jenkins Server
- Build failed in Jenkins: UIMA-Ruta » Apache UIM... Apache Jenkins Server
- Jenkins build is unstable: UIMA-Ruta » Apac... Apache Jenkins Server
- Jenkins build is back to stable : UIMA-... Apache Jenkins Server
