See <https://builds.apache.org/job/Apache%20Jackrabbit%20Oak%20matrix/jdk=jdk1.8.0_11,label=Ubuntu,nsfixtures=DOCUMENT_NS,profile=unittesting/101/changes>
- Build failed in Jenkins: Apache Jackrabbit Oak matri... Apache Jenkins Server
- Build failed in Jenkins: Apache Jackrabbit Oak ... Apache Jenkins Server
- Jenkins build is back to normal : Apache Ja... Apache Jenkins Server