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From "Mark Wagner (JIRA)" <j...@apache.org>
Subject [jira] [Created] (TEZ-374) YarnTezDagChild strips important debugging information
Date Sun, 18 Aug 2013 00:23:48 GMT
Mark Wagner created TEZ-374:

             Summary: YarnTezDagChild strips important debugging information
                 Key: TEZ-374
                 URL: https://issues.apache.org/jira/browse/TEZ-374
             Project: Apache Tez
          Issue Type: Bug
            Reporter: Mark Wagner

The catch block in YarnTezDagChild strips the top level of nested exception or only prints
the message if there isn't nesting. This leads to messages like this in case of NPEs:
2013-08-17 17:02:52,325 INFO [IPC Server handler 3 on 48233] org.apache.tez.dag.app.TaskAttemptListenerImpTezDag:
Diagnostics report from attempt_1376699535004_0049_1_00_000000_1: Error: null

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