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Posted to user@hadoop.apache.org by Sanjeev Verma <sa...@gmail.com> on 2015/10/28 14:13:21 UTC

AM is unable to launch

My job is failing and only I can see a log

java.lang.Exception:Unknown container. Container either has not started or
has already completed or doesn’t belong to this node at all

there is no error exception in NM and RM logs, after reviewing the logs I
can see my app master container getting killed after it localized by RM.
any clue whats going wrong here?