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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-4164) Hadoop 22 Exception thrown after task completion causes its reexecution
Date Mon, 23 Apr 2012 22:28:34 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Konstantin Shvachko resolved MAPREDUCE-4164.
--------------------------------------------

          Resolution: Fixed
       Fix Version/s: 0.22.1
    Target Version/s: 0.22.1
        Hadoop Flags: Reviewed

I just committed this. Thank you Mayank.
                
> Hadoop 22 Exception thrown after task completion causes its reexecution
> -----------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4164
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4164
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>    Affects Versions: 0.22.0
>            Reporter: Mayank Bansal
>            Assignee: Mayank Bansal
>             Fix For: 0.22.1
>
>         Attachments: MAPREDUCE-4164.patch
>
>
> 2012-02-28 19:17:08,504 INFO org.apache.hadoop.mapred.Merger: Down to the last merge-pass,
with 3 segments left of total size: 1969310 bytes
> 2012-02-28 19:17:08,694 INFO org.apache.hadoop.mapred.Task: Task:attempt_201202272306_0794_m_000094_0
is done. And is in the process of commiting
> 2012-02-28 19:18:08,774 INFO org.apache.hadoop.mapred.Task: Communication exception:
java.io.IOException: Call to /127.0.0.1:35400 failed on local exception: java.nio.channels.ClosedByInterruptException
> at org.apache.hadoop.ipc.Client.wrapException(Client.java:1094)
> at org.apache.hadoop.ipc.Client.call(Client.java:1062)
> at org.apache.hadoop.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:198)
> at $Proxy0.statusUpdate(Unknown Source)
> at org.apache.hadoop.mapred.Task$TaskReporter.run(Task.java:650)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: java.nio.channels.ClosedByInterruptException
> at java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:184)
> at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:341)
> at org.apache.hadoop.net.SocketOutputStream$Writer.performIO(SocketOutputStream.java:60)
> at org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:142)
> at org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:151)
> at org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:112)
> at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
> at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
> at java.io.DataOutputStream.flush(DataOutputStream.java:106)
> at org.apache.hadoop.ipc.Client$Connection.sendParam(Client.java:769)
> at org.apache.hadoop.ipc.Client.call(Client.java:1040)
> ... 4 more
> 2012-02-28 19:18:08,825 INFO org.apache.hadoop.mapred.Task: Task 'attempt_201202272306_0794_m_000094_0'
done.
> ================>>>>>> SHOULD be <++++++++++++++
> 2012-02-28 19:17:02,214 INFO org.apache.hadoop.mapred.Merger: Down to the last merge-pass,
with 3 segments left of total size: 1974104 bytes
> 2012-02-28 19:17:02,408 INFO org.apache.hadoop.mapred.Task: Task:attempt_201202272306_0794_m_000000_0
is done. And is in the process of commiting
> 2012-02-28 19:17:02,519 INFO org.apache.hadoop.mapred.Task: Task 'attempt_201202272306_0794_m_000000_0'
done. 

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