Zhijie Shen commented on YARN-3544:

Xuan, thanks for the patch. I've tried your patch locally, and it brought the 
content back to the web UI. However, I've one concern. It seems that the link 
to the local log on NM is not useful after the app is finished, because the log 
is not supposed to be there any longer. So is this jira supposed to fix the 
regression, or ultimately provide a useful link to AM container log? Those seem 
to be different goals.

/cc [~hitesh]

> AM logs link missing in the RM UI for a completed app 
> ------------------------------------------------------
>                 Key: YARN-3544
>                 URL: https://issues.apache.org/jira/browse/YARN-3544
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: 2.7.0
>            Reporter: Hitesh Shah
>            Assignee: Xuan Gong
>            Priority: Blocker
>         Attachments: Screen Shot 2015-04-27 at 6.24.05 PM.png, 
> YARN-3544.1.patch
> AM log links should always be present ( for both running and completed apps).
> Likewise node info is also empty. This is usually quite crucial when trying 
> to debug where an AM was launched and a pointer to which NM's logs to look at 
> if the AM failed to launch. 

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