See <https://builds.apache.org/job/UIMA-Ruta-v3%20Java%2011/org.apache.uima$ruta-core/18/display/redirect?page=changes>
- Jenkins build became unstable: UIMA-Ruta-v3 Java 11... Apache Jenkins Server
- Jenkins build is back to stable : UIMA-Ruta-v3 ... Apache Jenkins Server