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https://issues.apache.org/jira/browse/HADOOP-1234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12503940
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Hadoop QA commented on HADOOP-1234:
-----------------------------------
+1
http://issues.apache.org/jira/secure/attachment/12359394/HADOOP-1234_2_20070611.patch
applied and successfully tested against trunk revision r546320.
Test results:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/270/testReport/
Console output:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/270/console
> 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
> Assignee: Arun C Murthy
> Attachments: HADOOP-1234_1_20070514.patch,
> HADOOP-1234_2_20070611.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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