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Date: Sun, 13 Aug 2017 12:08:00 +0000 (UTC)
From: "Manikandan R (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.13093763.1502368315000.20504.1502626080969@Atlassian.JIRA>
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Subject: [jira] [Comment Edited] (YARN-6982) Potential issue on setting
 AMContainerSpec#tokenConf to null before app is completed
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archived-at: Sun, 13 Aug 2017 12:08:07 -0000


    [ https://issues.apache.org/jira/browse/YARN-6982?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16124901#comment-16124901 ] 

Manikandan R edited comment on YARN-6982 at 8/13/17 12:07 PM:
--------------------------------------------------------------

[~rohithsharma] Thanks for review and filing this.

As this is related to YARN-65 and almost nearing completion, I am assigning this JIRA to myself. Please re-assign if someone is already working on it.


was (Author: manirajv06@gmail.com):
[~rohithsharma] Thanks for review and filing this.

As this is related to YARN-65 and almost nearing completion, I assigning this to myself. Please re-assign if someone is already working on it.

> Potential issue on setting AMContainerSpec#tokenConf to null before app is completed
> ------------------------------------------------------------------------------------
>
>                 Key: YARN-6982
>                 URL: https://issues.apache.org/jira/browse/YARN-6982
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Rohith Sharma K S
>
> While reviewing patch for YARN-65, I found that many places RMAppImpl#submissionContext sets containerLaunchcontext#setTokensConf has been set to null i.e 
> {code}
> // set the memory free
> app.submissionContext.getAMContainerSpec().setTokensConf(null);
> {code}
> This appears be a issue if application is updated may be because queue move or lifetime or priority, then submission context will be restored again into state store. Consider after app update, if RM is restarted then submission context will have null tokenConf. This could be a potential issue. 


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