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https://issues.apache.org/jira/browse/MAPREDUCE-1322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devaraj Das updated MAPREDUCE-1322:
-----------------------------------
Attachment: 1322.patch
My initial thought on this one was that this config doesn't require to be
tweaked at all (even by admins). It should typically point to "/user". But for
testing purposes, i wanted to have it point to some temp dir. It didn't strike
me that streaming tests don't pick the conf up from src/test.
After thinking about it some more, i think it makes sense to indeed define the
config in mapred-default.xml.
Attaching a patch.
> 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
> 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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