Github user nielsbasjes commented on the pull request: https://github.com/apache/flink/pull/1342#issuecomment-156116370 I fixed the authentication to use reflection. To make this work I had to switch back to an older (deprecated) version of the token retrieval API because otherwise it wouldn't work (instead of a "Connection" parameter now use a "Configuration" parameter). I had our IT guys drop the ticket expire time for my user account down to 5 minutes. Given that my topology has been running for more than 22 minutes now so the solution still works. Please review.
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