See <https://builds.apache.org/job/zookeeper-master-maven-jdk14/103/display/redirect?page=changes>
- Build failed in Jenkins: zookeeper-master-maven-jdk1... Apache Jenkins Server
- Build failed in Jenkins: zookeeper-master-maven... Apache Jenkins Server
- Jenkins build is unstable: zookeeper-master... Apache Jenkins Server
- Jenkins build is still unstable: zookee... Apache Jenkins Server
- Jenkins build is back to stable : z... Apache Jenkins Server
