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https://issues.apache.org/jira/browse/YARN-2931?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anubhav Dhoot updated YARN-2931:
--------------------------------
    Attachment: YARN-2931.005.patch

Fixed the dead store findbugs

> PublicLocalizer may fail with FileNotFoundException until directory gets 
> initialized by LocalizeRunner
> ------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2931
>                 URL: https://issues.apache.org/jira/browse/YARN-2931
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Anubhav Dhoot
>            Assignee: Anubhav Dhoot
>            Priority: Critical
>         Attachments: YARN-2931.001.patch, YARN-2931.002.patch, 
> YARN-2931.002.patch, YARN-2931.003.patch, YARN-2931.004.patch, 
> YARN-2931.005.patch
>
>
> When the data directory is cleaned up and NM is started with existing 
> recovery state, because of YARN-90, it will not recreate the local dirs.
> This causes a PublicLocalizer to fail until getInitializedLocalDirs is called 
> due to some LocalizeRunner for private localization.
> Example error 
> {noformat}
> 2014-12-02 22:57:32,629 INFO 
> org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService:
>  Failed to download rsrc { { hdfs:/<blah 
> machine>:8020/tmp/hive-hive/hive_2014-12-02_22-56-58_741_2045919883676051996-3/-mr-10004/8060c9dd-54b6-42fc-9d77-34b655fa5e82/reduce.xml,
>  1417589819618, FILE, null 
> },pending,[(container_1417589109512_0001_02_000003)],119413444132127,DOWNLOADING}
> java.io.FileNotFoundException: File /data/yarn/nm/filecache does not exist
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.deprecatedGetFileStatus(RawLocalFileSystem.java:524)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.getFileLinkStatusInternal(RawLocalFileSystem.java:737)
>       at 
> org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:514)
>       at org.apache.hadoop.fs.FileSystem.primitiveMkdir(FileSystem.java:1051)
>       at 
> org.apache.hadoop.fs.DelegateToFileSystem.mkdir(DelegateToFileSystem.java:162)
>       at org.apache.hadoop.fs.FilterFs.mkdir(FilterFs.java:197)
>       at org.apache.hadoop.fs.FileContext$4.next(FileContext.java:724)
>       at org.apache.hadoop.fs.FileContext$4.next(FileContext.java:720)
>       at org.apache.hadoop.fs.FSLinkResolver.resolve(FSLinkResolver.java:90)
>       at org.apache.hadoop.fs.FileContext.mkdir(FileContext.java:720)
>       at org.apache.hadoop.yarn.util.FSDownload.createDir(FSDownload.java:104)
>       at org.apache.hadoop.yarn.util.FSDownload.call(FSDownload.java:351)
>       at org.apache.hadoop.yarn.util.FSDownload.call(FSDownload.java:60)
>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>       at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>       at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>       at java.lang.Thread.run(Thread.java:745)
> 2014-12-02 22:57:32,629 INFO 
> org.apache.hadoop.yarn.server.nodemanager.containermanager.container.Container:
>  Container container_1417589109512_0001_02_000003 transitioned from 
> LOCALIZING to LOCALIZATION_FAILED
> {noformat}



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