Github user StephanEwen commented on the issue: https://github.com/apache/flink/pull/3727 Good idea to upgrade Curator. Unfortunately, it seems some behavior in Curator has changed. The change causes many tests to hang/fail: https://travis-ci.org/apache/flink/builds/222777791 I think this would need to be stabilized before we can merge the fix. Can you look into this?
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