See <https://builds.apache.org/job/OpenJPA-22x/org.apache.openjpa$openjpa-persistence-jdbc/112/changes>
- Jenkins build became unstable: OpenJPA-22x » OpenJP... Apache Jenkins Server
- Jenkins build is still unstable: OpenJPA-22x » ... Apache Jenkins Server
- Jenkins build is back to stable : OpenJPA-2... Apache Jenkins Server
