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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HADOOP-2941) Streaming map task is not failed when the subprocess exited abnormally.
Date Thu, 06 Mar 2008 04:32:58 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2941?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amareshwari Sriramadasu resolved HADOOP-2941.
---------------------------------------------

    Resolution: Duplicate

This issue is a duplicate of HADOOP-2057

> Streaming map task is not failed when the subprocess exited abnormally.
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-2941
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2941
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/streaming
>            Reporter: Amareshwari Sriramadasu
>             Fix For: 0.17.0
>
>
> The launched streaming process exited with a non-zero exit code. But the task was succesful.
thereby, job was succesful.
> Job tracker logs show: 
> 08/03/05 14:30:43 INFO mapred.TaskTracker: Task task_200803051430_0001_m_000000_1 is
done.
> 08/03/05 14:30:43 INFO mapred.TaskRunner: Saved output of task 'task_200803051430_0001_m_000000_1'
to hdfs://localhost:46796/testing/out
> 08/03/05 14:30:43 INFO mapred.JobInProgress: Task 'task_200803051430_0001_m_000000_1'
has completed tip_200803051430_0001_m_000000 successfully.
> But the syslog of the task has :
> 2008-03-05 14:30:43,174 INFO org.apache.hadoop.streaming.PipeMapRed: PipeMapRed.waitOutputThreads():
subprocess failed with code 1 in org.apache.hadoop.streaming.PipeMapRed
> We could not know whether the job was successful or not, until we validate the output
and found that there is no output.

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