See <https://builds.apache.org/job/kafka-trunk-jdk10/505/display/redirect?page=changes>
- Build failed in Jenkins: kafka-trunk-jdk10 #502 Apache Jenkins Server
- Build failed in Jenkins: kafka-trunk-jdk10 #503 Apache Jenkins Server
- Build failed in Jenkins: kafka-trunk-jdk10 ... Apache Jenkins Server
- Jenkins build is back to normal : kafka... Apache Jenkins Server