See <https://builds.apache.org/job/OpenMeetings%204.0.x/org.apache.openmeetings$openmeetings-web/280/display/redirect?page=changes>
- Jenkins build became unstable: OpenMeetings 4.0.x »... Apache Jenkins Server
- Jenkins build is still unstable: OpenMeetings 4... Apache Jenkins Server
- Jenkins build is still unstable: OpenMeetin... Apache Jenkins Server
- Jenkins build is back to stable : OpenM... Apache Jenkins Server