Github user Leemoonsoo commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/795#issuecomment-214938916 @vijikarthi I have pushed more commits with fix. Could you try it again? Zeppelin already passes [AuthenticationInfo](https://github.com/apache/incubator-zeppelin/blob/master/zeppelin-interpreter/src/main/java/org/apache/zeppelin/user/AuthenticationInfo.java) to interpreter process through [InterpreterContext](https://github.com/apache/incubator-zeppelin/blob/master/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/InterpreterContext.java#L52). I think Spark interpreter can use this information and set proxy-user programatically.
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