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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2865) Application recovery continuously fails with "Application with id already present. Cannot duplicate"
Date Tue, 18 Nov 2014 21:21:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-2865?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14216806#comment-14216806
] 

Karthik Kambatla commented on YARN-2865:
----------------------------------------

Patch looks mostly good. Minor comments - we should reduce the visibility of the class and
its methods to package-private, mark it @Private @Unstable, and add comments that this class
is expected to be used only by RMContext and ResourceManager. I just want to guard against
new code using this instead of RMContext; we might want this to be accessible in the future,
but we should probably keep the changes small in this JIRA.

> Application recovery continuously fails with "Application with id already present. Cannot
duplicate"
> ----------------------------------------------------------------------------------------------------
>
>                 Key: YARN-2865
>                 URL: https://issues.apache.org/jira/browse/YARN-2865
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Rohith
>            Assignee: Rohith
>            Priority: Critical
>         Attachments: YARN-2865.patch, YARN-2865.patch
>
>
> YARN-2588 handles exception thrown while transitioningToActive and reset activeServices.
But it misses out clearing RMcontext apps/nodes details and ClusterMetrics and QueueMetrics.
This causes application recovery to fail.  



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