See <https://builds.apache.org/job/OpenJPA-trunk-deploy/org.apache.openjpa$openjpa-persistence-jdbc/522/changes>
- Jenkins build is unstable: OpenJPA-trunk-deploy » Op... Apache Jenkins Server
- Jenkins build is still unstable: OpenJPA-trunk-... Apache Jenkins Server
- Jenkins build is still unstable: OpenJPA-tr... Apache Jenkins Server
- Jenkins build is back to stable : OpenJ... Apache Jenkins Server
