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From "Amareshwari Sri Ramadasu (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1893) Exception thrown from pipes Map task is not handled properly
Date Fri, 14 Sep 2007 05:58:32 GMT
Exception thrown from pipes Map task is not handled properly
------------------------------------------------------------

                 Key: HADOOP-1893
                 URL: https://issues.apache.org/jira/browse/HADOOP-1893
             Project: Hadoop
          Issue Type: Bug
          Components: pipes
    Affects Versions: 0.15.0
            Reporter: Amareshwari Sri Ramadasu



  In Pipes environment, when map task throws an exception it is not killed immediately. But
the tracker is waiting for 603 seconds (10 mins) for the report and then killing the task.
 
When I threw exception from word count sample program the maptask exits after 603 seconds
showing the following on console:
07/09/14 11:09:26 INFO mapred.JobClient: Task Id : task_200709141017_0002_m_000001_1, Status
: FAILED
task_200709141017_0002_m_000001_1: terminate called after throwing an instance of 'std::exception'
task_200709141017_0002_m_000001_1:   what():  St9exception

And the Job UI shows:
Task task_200709141017_0002_m_000001_1 failed to report status for 603 seconds. Killing!

Thus, each map task is taking  10 mins for exiting and  is tried 4 times.


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