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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