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Posted to mapreduce-dev@hadoop.apache.org by "Robert Joseph Evans (Resolved) (JIRA)" <ji...@apache.org> on 2012/02/06 21:54:59 UTC

[jira] [Resolved] (MAPREDUCE-3821) NPE while running Shuffle benchmark

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Joseph Evans resolved MAPREDUCE-3821.
--------------------------------------------

    Resolution: Duplicate
    
> NPE while running Shuffle benchmark
> -----------------------------------
>
>                 Key: MAPREDUCE-3821
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3821
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.1
>            Reporter: Ramya Sunil
>            Priority: Critical
>
> hadoop jar hadoop-mapreduce-test.jar loadgen -outKey org.apache.hadoop.io.Text -outValue org.apache.hadoop.io.Text
> The tasks fail with the following exception:
> {noformat}
> Error: java.lang.NullPointerException
> 	at org.apache.hadoop.fs.Path.<init>(Path.java:69)
> 	at org.apache.hadoop.fs.Path.<init>(Path.java:58)
> 	at org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getPendingJobAttemptsPath(FileOutputCommitter.java:118)
> 	at org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getJobAttemptPath(FileOutputCommitter.java:167)
> 	at org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getJobAttemptPath(FileOutputCommitter.java:149)
> 	at org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getPendingTaskAttemptsPath(FileOutputCommitter.java:185)
> 	at org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getTaskAttemptPath(FileOutputCommitter.java:209)
> 	at org.apache.hadoop.mapred.FileOutputCommitter.getTaskAttemptPath(FileOutputCommitter.java:100)
> 	at org.apache.hadoop.mapred.FileOutputCommitter.getTaskAttemptPath(FileOutputCommitter.java:94)
> 	at org.apache.hadoop.mapred.FileOutputCommitter.needsTaskCommit(FileOutputCommitter.java:176)
> 	at org.apache.hadoop.mapred.OutputCommitter.needsTaskCommit(OutputCommitter.java:248)
> 	at org.apache.hadoop.mapred.Task.isCommitRequired(Task.java:955)
> 	at org.apache.hadoop.mapred.Task.done(Task.java:912)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:331)
> 	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:147)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:396)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1177)
> 	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:142)
> {noformat}

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