See <https://builds.apache.org/job/OpenJPA-2.4.x-deploy/org.apache.openjpa$openjpa-persistence-jdbc/changes>
- Jenkins build became unstable: OpenJPA-2.4.x-deploy... Apache Jenkins Server
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- Jenkins build is still unstable: OpenJPA-2.... Apache Jenkins Server
- Jenkins build is still unstable: OpenJP... Apache Jenkins Server
- Jenkins build is still unstable: Op... Apache Jenkins Server
- Jenkins build is back to stabl... Apache Jenkins Server