[jira] [Comment Edited] (YARN-4842) "yarn logs" command should not require the appOwner argument

["Xuan Gong (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-4842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15275427#comment-15275427 ] 

Xuan Gong edited comment on YARN-4842 at 5/8/16 12:09 AM:
----------------------------------------------------------

The findbug warning and checkstyle issue are not related to this patch.

Also, the testcase failures are not related


was (Author: xgong):
The findbug warning and checkstyle issue are not related to this patch.

> "yarn logs" command should not require the appOwner argument
> ------------------------------------------------------------
>
>                 Key: YARN-4842
>                 URL: https://issues.apache.org/jira/browse/YARN-4842
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Ram Venkatesh
>            Assignee: Xuan Gong
>         Attachments: YARN-4842.1.patch, YARN-4842.2.patch, YARN-4842.3.patch, YARN-4842.4.patch, YARN-4842.5.patch
>
>
> The yarn logs command is among the most common ways to troubleshoot yarn app failures, especially by an admin.
> Currently if you run the command as a user different from the job owner, the command will fail with a subtle message that it could not find the app under the running user's name. This can be confusing especially to new admins.
> We can figure out the job owner from the app report returned by the RM or the AHS, or, by looking for the app directory using a glob pattern, so in most cases this error can be avoided.
> Question - are there scenarios where users will still need to specify the -appOwner option?



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