Github user uce commented on the issue: https://github.com/apache/flink/pull/2252 Looks very good! The test failures seem unrelated: - ClientTest: https://issues.apache.org/jira/browse/FLINK-4220 (newly created) - JobManagerHACheckpointRecoveryITCase: https://issues.apache.org/jira/browse/FLINK-3516 (known instability) - Travis Scala dependency issue The added tests and refactorings are very readable. I think this is good to merge mod some minor inline comments.
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