See <https://builds.apache.org/job/Log4j%202.x/2863/display/redirect>
- Jenkins build became unstable: Log4j 2.x #2859 Apache Jenkins Server
- Jenkins build is still unstable: Log4j 2.x #286... Apache Jenkins Server
- Build failed in Jenkins: Log4j 2.x #2861 Apache Jenkins Server
- Jenkins build is unstable: Log4j 2.x #2... Apache Jenkins Server
- Jenkins build is back to stable : L... Apache Jenkins Server
