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https://issues.apache.org/jira/browse/HADOOP-1234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated HADOOP-1234:
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    Attachment: HADOOP-1234_1_20070514.patch

Attached patch for review... 

Christian could you see if this works for you? Thanks!

> map tasks fail because they do not find application in file cache
> -----------------------------------------------------------------
>
>                 Key: HADOOP-1234
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1234
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.12.1
>            Reporter: Christian Kunz
>         Assigned To: Arun C Murthy
>         Attachments: HADOOP-1234_1_20070514.patch
>
>
> Using C++ map-reduce interface, a lot of tasks fail because they do not find 
> the application in the file cache.
> Might be a race condition between multiple tasks on the same node.
> java.io.IOException: Cannot run program 
> "<path>/mapred/local/taskTracker/archive/<namenodehost>/<path>/<application>":
>  java.io.IOException: error=2, No such file or directory
>       at java.lang.ProcessBuilder.start(ProcessBuilder.java:459)
>       at 
> org.apache.hadoop.mapred.pipes.Application.runClient(Application.java:131)
>       at org.apache.hadoop.mapred.pipes.Application.(Application.java:59)
>       at 
> org.apache.hadoop.mapred.pipes.PipesMapRunner.run(PipesMapRunner.java:44)
>       at org.apache.hadoop.mapred.MapTask.run(MapTask.java:176)
>       at 
> org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1459)
> Caused by: java.io.IOException: java.io.IOException: error=2, No such file or 
> directory
>       at java.lang.UNIXProcess.(UNIXProcess.java:148)
>       at java.lang.ProcessImpl.start(ProcessImpl.java:65)
>       at java.lang.ProcessBuilder.start(ProcessBuilder.java:452)
>       ... 5 more

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