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From "Subru Krishnan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6281) Cleanup when AMRMProxy fails to initialize a new interceptor chain
Date Tue, 09 May 2017 00:39:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-6281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16001862#comment-16001862
] 

Subru Krishnan commented on YARN-6281:
--------------------------------------

I cherry-picked to trunk/branch-2 as this is a fix in main {{AMRMProxyService}} and not limited
to Federation.

> Cleanup when AMRMProxy fails to initialize a new interceptor chain
> ------------------------------------------------------------------
>
>                 Key: YARN-6281
>                 URL: https://issues.apache.org/jira/browse/YARN-6281
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Botong Huang
>            Assignee: Botong Huang
>            Priority: Minor
>             Fix For: 2.9.0, 3.0.0-alpha3
>
>         Attachments: YARN-6281.v1.patch, YARN-6281.v2.patch, YARN-6281.v3.patch, YARN-6281.v4.patch
>
>
> When a app starts, AMRMProxy.initializePipeline creates a new Interceptor chain and add
it to its pipeline mapping. Then it initializes the chain and return. The problem is that
when the chain initialization throws (e.g. because of configuration error, interceptor class
not found etc.), the chain is not removed from AMRMProxy's pipeline mapping. 
> This patch also contains misc log message fixes in AMRMProxy. 



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