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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1322) TestStreamingAsDifferentUser fails on trunk
Date Tue, 05 Jan 2010 00:50:54 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796461#action_12796461
] 

Devaraj Das commented on MAPREDUCE-1322:
----------------------------------------

bq. Isnt MAPREDUCE-1139 the right fix?
That fix would address this issue as well but I'd like the staging directory to be defined
in mapred-default.xml anyway.

bq. Error Launching job : chmod: cannot access `/tmp/hadoop/mapred/staging/dummy44913967/.staging/job_local_0001':
No such file or directory
The attached patch should fix this problem (this happens due to the fact that the same /tmp/hadoop
directory is being read/written by multiple users). 


> TestStreamingAsDifferentUser fails on trunk
> -------------------------------------------
>
>                 Key: MAPREDUCE-1322
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1322
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/streaming, test
>    Affects Versions: 0.22.0
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Devaraj Das
>             Fix For: 0.22.0
>
>         Attachments: 1322.patch
>
>
> TestStreamingAsDifferentUser fails on trunk with following exception :
> Can not create a Path from a null string
> java.lang.IllegalArgumentException: Can not create a Path from a null string
> 	at org.apache.hadoop.fs.Path.checkPathArg(Path.java:78)
> 	at org.apache.hadoop.fs.Path.<init>(Path.java:90)
> 	at org.apache.hadoop.mapred.ClusterWithLinuxTaskController.createHomeAndStagingDirectory(ClusterWithLinuxTaskController.java:158)
> 	at org.apache.hadoop.mapred.ClusterWithLinuxTaskController.startCluster(ClusterWithLinuxTaskController.java:147)
> 	at org.apache.hadoop.streaming.TestStreamingAsDifferentUser.testStreaming(TestStreamingAsDifferentUser.java:49)
> The corresponding line for the exception :
> {code}
>     Path stagingArea = new Path(conf.get(JTConfig.JT_STAGING_AREA_ROOT));
> {code}

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