See <https://builds.apache.org/job/isis-core-ubuntu/950/changes>
- Build failed in Jenkins: isis-core-ubuntu #946 Apache Jenkins Server
- Build failed in Jenkins: isis-core-ubuntu #947 Apache Jenkins Server
- Jenkins build is unstable: isis-core-ubuntu... Apache Jenkins Server
- Build failed in Jenkins: isis-core-ubun... Apache Jenkins Server
- Jenkins build is back to normal : i... Apache Jenkins Server
