See <https://builds.apache.org/job/Jena_JDK11/270/display/redirect?page=changes>
- Jenkins build became unstable: Jena_JDK11 #270 Apache Jenkins Server
- Build failed in Jenkins: Jena_JDK11 #271 Apache Jenkins Server
- Build failed in Jenkins: Jena_JDK11 #272 Apache Jenkins Server
- Jenkins build is back to normal : Jena_... Apache Jenkins Server
