See <https://ci-builds.apache.org/job/Kafka/job/kafka-trunk-jdk8/492/display/redirect?page=changes>
- Build failed in Jenkins: Kafka » kafka-trunk-jdk8 #4... Apache Jenkins Server
- Build failed in Jenkins: Kafka » kafka-trunk-jd... Apache Jenkins Server
- Build failed in Jenkins: Kafka » kafka-trun... Apache Jenkins Server
- Jenkins build is back to normal : Kafka... Apache Jenkins Server
