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https://issues.apache.org/jira/browse/YARN-8980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16682485#comment-16682485
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Botong Huang commented on YARN-8980:
------------------------------------

Thanks [~bibinchundatt] for reporting. This is along the discussion we are 
having in YARN-8898. Basically it is better to use the original 
_ApplicationSubmissionContext_ for the app when launching the UAMs. We will 
probably need to go with Solution 2 discussed there: Push 
applicationSubmissionContext also to federationStore at router side. [~subru] 
what do you think? 

> Mapreduce application container start  fail after AM restart.
> -------------------------------------------------------------
>
>                 Key: YARN-8980
>                 URL: https://issues.apache.org/jira/browse/YARN-8980
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Bibin A Chundatt
>            Priority: Major
>
> UAM to subclusters are always launched with keepContainers.
> On AM restart scenarios , UAM register again with RM . UAM receive running 
> containers with NMToken. NMToken received by UAM in 
> getPreviousAttemptContainersNMToken is never used by mapreduce application.  
> Federation Interceptor should take care of such scenarios too. Merge NMToken 
> received at registration to allocate response.
> Container allocation response on same node will have NMToken empty.
>  



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