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Date: Wed, 15 Feb 2012 00:11:59 +0000 (UTC)
From: "Hudson (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (MAPREDUCE-3736) Variable substitution depth too
 large for fs.default.name causes jobs to fail
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-3736?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13208147#comment-13208147 ] 

Hudson commented on MAPREDUCE-3736:
-----------------------------------

Integrated in Hadoop-Hdfs-0.23-Commit #539 (See [https://builds.apache.org/job/Hadoop-Hdfs-0.23-Commit/539/])
    Merge -r 1244263:1244264 from trunk to branch. FIXES: MAPREDUCE-3736 (Revision 1244265)

     Result = SUCCESS
tucu : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1244265
Files : 
* /hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/test/java/org/apache/hadoop/mapred/TestMRWithDistributedCache.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/conf/TestNoDefaultsJobConf.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/fs/JHLogAnalyzer.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/io/FileBench.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestCombineFileInputFormat.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestConcatenatedCompressedInput.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestTextInputFormat.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestMapCollection.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/lib/input/TestFileInputFormat.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/lib/input/TestMRKeyValueTextInputFormat.java
* /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml

                
> Variable substitution depth too large for fs.default.name causes jobs to fail
> -----------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3736
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3736
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.1
>            Reporter: Eli Collins
>            Assignee: Ahmed Radwan
>            Priority: Blocker
>         Attachments: MAPREDUCE-3736.patch, MAPREDUCE-3736_rev2.patch, MAPREDUCE-3736_rev3.patch
>
>
> I'm seeing the same failure as MAPREDUCE-3462 in downstream projects running against a recent build of branch-23. MR-3462 modified the tests rather than fixing the framework. In that jira Ravi mentioned "I'm still ignorant of the change which made the tests start to fail. I should probably understand better the reasons for that change before proposing a more generalized fix." Let's figure out the general fix (rather than require all projects to set mapreduce.job.hdfs-servers in their conf we should fix this in the framework). Perhaps we should not default this config to "$fs.default.name"?

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