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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5952) LocalContainerLauncher#renameMapOutputForReduce incorrectly assumes a single dir for mapOutIndex
Date Thu, 17 Jul 2014 10:38:09 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14064792#comment-14064792
] 

Hudson commented on MAPREDUCE-5952:
-----------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk #615 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/615/])
MAPREDUCE-5952. LocalContainerLauncher#renameMapOutputForReduce incorrectly assumes a single
dir for mapOutIndex. (Gera Shegalov via kasha) (kasha: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1611196)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapred/LocalContainerLauncher.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapred/TestLocalContainerLauncher.java


> LocalContainerLauncher#renameMapOutputForReduce incorrectly assumes a single dir for
mapOutIndex
> ------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5952
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5952
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am, mrv2
>    Affects Versions: 2.3.0
>            Reporter: Gera Shegalov
>            Assignee: Gera Shegalov
>            Priority: Blocker
>             Fix For: 2.5.0
>
>         Attachments: MAPREDUCE-5952.v01.patch, MAPREDUCE-5952.v02.patch, MAPREDUCE-5952.v03.patch,
MAPREDUCE-5952.v04.patch
>
>
> The javadoc comment for {{renameMapOutputForReduce}} incorrectly refers to a single map
output directory, whereas this depends on LOCAL_DIRS.
> mapOutIndex should be set to subMapOutputFile.getOutputIndexFile()
> {code}
> 2014-06-30 14:48:35,574 WARN [uber-SubtaskRunner] org.apache.hadoop.mapred.LocalContainerLauncher:
Exception running local (uberized) 'child' : java.io.FileNotFoundException: File /Users/gshegalov/workspace/hadoop-common/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/target/org.apache.hadoop.mapreduce.v2.TestMRJobs/org.apache.hadoop.mapreduce.v2.
         TestMRJobs-localDir-nm-2_3/usercache/gshegalov/appcache/application_1404164272885_0001/output/file.out.index
does not exist
>   at org.apache.hadoop.fs.RawLocalFileSystem.deprecatedGetFileStatus(RawLocalFileSystem.java:517)
>   at org.apache.hadoop.fs.RawLocalFileSystem.getFileLinkStatusInternal(RawLocalFileSystem.java:726)
>   at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:507)
>   at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:337)                      
>   at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:289)                          
>   at org.apache.hadoop.fs.RawLocalFileSystem.rename(RawLocalFileSystem.java:334)    
>   at org.apache.hadoop.fs.ChecksumFileSystem.rename(ChecksumFileSystem.java:504)
>   at org.apache.hadoop.mapred.LocalContainerLauncher$EventHandler.renameMapOutputForReduce(LocalContainerLauncher.java:471)
>   at org.apache.hadoop.mapred.LocalContainerLauncher$EventHandler.runSubtask(LocalContainerLauncher.java:370)
>   at org.apache.hadoop.mapred.LocalContainerLauncher$EventHandler.runTask(LocalContainerLauncher.java:292)
>   at org.apache.hadoop.mapred.LocalContainerLauncher$EventHandler.access$200(LocalContainerLauncher.java:178)
>   at org.apache.hadoop.mapred.LocalContainerLauncher$EventHandler$1.run(LocalContainerLauncher.java:221)
>   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)    
>   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)         
>   at java.util.concurrent.FutureTask.run(FutureTask.java:138)                       
>   at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
>   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
>   at java.lang.Thread.run(Thread.java:695)         
> {code}



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