Github user zentol commented on the pull request:
https://github.com/apache/flink/pull/1220#issuecomment-163441400
you must have messed up when rebasing or something. looking at your
history, you have a few of your own commits, then a whole bunch of commits that
were already merged, and then a few others of yourself. you're gonna have to
re-rebase and clean that up.
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