See <https://builds.apache.org/job/kafka-trunk-jdk8/4223/display/redirect?page=changes>
- Build failed in Jenkins: kafka-trunk-jdk8 #4213 Apache Jenkins Server
- Build failed in Jenkins: kafka-trunk-jdk8 #4214 Apache Jenkins Server
- Build failed in Jenkins: kafka-trunk-jdk8 #4215 Apache Jenkins Server
- Build failed in Jenkins: kafka-trunk-jdk8 #4216 Apache Jenkins Server
- Build failed in Jenkins: kafka-trunk-jdk8 #4217 Apache Jenkins Server
- Build failed in Jenkins: kafka-trunk-jdk8 #4218 Apache Jenkins Server
- Build failed in Jenkins: kafka-trunk-jdk8 #4219 Apache Jenkins Server
- Build failed in Jenkins: kafka-trunk-jdk8 #4220 Apache Jenkins Server
- Build failed in Jenkins: kafka-trunk-jdk8 #4221 Apache Jenkins Server
- Build failed in Jenkins: kafka-trunk-jdk8 #4222 Apache Jenkins Server
- Jenkins build is back to normal : kafka-trunk-jdk8 #... Apache Jenkins Server
