Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/2864
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GitHub user mxm opened a pull request:
https://github.com/apache/flink/pull/2864
[FLINK-5055][security] skip Hadoop UGI login if unsecured
The new Kerberos authentication code in Flink assumed that it's running
against vanilla Hadoop. Original Hadoop's behavior is to skip a secure
