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Date: Thu, 28 Feb 2013 12:41:13 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
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Subject: [jira] [Commented] (YARN-426) Failure to download a public resource
 on a node prevents further downloads of the resource from that node
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    [ https://issues.apache.org/jira/browse/YARN-426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13589489#comment-13589489 ] 

Hudson commented on YARN-426:
-----------------------------

Integrated in Hadoop-Hdfs-0.23-Build #539 (See [https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/539/])
    svn merge -c 1450807 FIXES: YARN-426. Failure to download a public resource prevents further downloads (Jason Lowe via bobby) (Revision 1450813)

     Result = UNSTABLE
bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1450813
Files : 
* /hadoop/common/branches/branch-0.23/hadoop-yarn-project/CHANGES.txt
* /hadoop/common/branches/branch-0.23/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/ResourceLocalizationService.java
* /hadoop/common/branches/branch-0.23/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/TestResourceLocalizationService.java

                
> Failure to download a public resource on a node prevents further downloads of the resource from that node
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-426
>                 URL: https://issues.apache.org/jira/browse/YARN-426
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.0.3-alpha, 0.23.6
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>            Priority: Critical
>             Fix For: 3.0.0, 0.23.7, 2.0.4-beta
>
>         Attachments: YARN-426.patch
>
>
> If the NM encounters an error while downloading a public resource, it fails to empty the list of request events corresponding to the resource request in {{attempts}}.  If the same public resource is subsequently requested on that node, {{PublicLocalizer.addResource}} will skip the download since it will mistakenly believe a download of that resource is already in progress.  At that point any container that requests the public resource will just hang in the {{LOCALIZING}} state.

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