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From "Kai Sasaki (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-6888) Error message of ShuffleHandler should show the exact cause
Date Fri, 12 May 2017 12:50:05 GMT
Kai Sasaki created MAPREDUCE-6888:
-------------------------------------

             Summary: Error message of ShuffleHandler should show the exact cause
                 Key: MAPREDUCE-6888
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6888
             Project: Hadoop Map/Reduce
          Issue Type: Bug
            Reporter: Kai Sasaki
            Assignee: Kai Sasaki
            Priority: Minor


{{exceptionCaught}} shows the exact cause of given {{ExceptionEvent}}. But it might be properly
shown in case of internal server error.
{code}
      LOG.error("Shuffle error: ", cause);
      if (ch.isConnected()) {
        LOG.error("Shuffle error " + e);
        sendError(ctx, INTERNAL_SERVER_ERROR);
      }
{code



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