See <https://builds.apache.org/job/isis-core-ubuntu/changes>
- Jenkins build became unstable: isis-core-ubuntu #98... Apache Jenkins Server
- Jenkins build is still unstable: isis-core-ubun... Apache Jenkins Server
- Jenkins build is still unstable: isis-core-... Apache Jenkins Server
- Jenkins build is still unstable: isis-c... Apache Jenkins Server
- Jenkins build is still unstable: is... Apache Jenkins Server
- Jenkins build is still unstabl... Apache Jenkins Server
- Jenkins build is back to s... Apache Jenkins Server
