See <https://builds.apache.org/job/OpenNLP_java8/41/changes>
- Jenkins build became unstable: OpenNLP_java8 #41 Apache Jenkins Server
- Jenkins build is still unstable: OpenNLP_java8 ... Apache Jenkins Server
- Jenkins build is still unstable: OpenNLP_ja... Apache Jenkins Server
- Jenkins build is still unstable: OpenNL... Apache Jenkins Server
- Jenkins build is back to stable : O... Apache Jenkins Server