See <https://builds.apache.org/job/kafka-2.2-jdk8/23/display/redirect?page=changes>
- Build failed in Jenkins: kafka-2.2-jdk8 #20 Apache Jenkins Server
- Build failed in Jenkins: kafka-2.2-jdk8 #21 Apache Jenkins Server
- Build failed in Jenkins: kafka-2.2-jdk8 #22 Apache Jenkins Server
- Jenkins build is back to normal : kafka... Apache Jenkins Server
