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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5080) Cannot obtain logs using YARN CLI -am for either KILLED or RUNNING AM
Date Mon, 16 May 2016 14:43:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-5080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15284664#comment-15284664

Junping Du commented on YARN-5080:

[~vinodkv], the Jenkins test was actually kicked off but failed to post here: https://builds.apache.org/job/PreCommit-YARN-Build/11442/
(test failures are not related and get tracked in YARN-4982). The same thing keep happening
during the same time for other JIRAs like YARN-4325, etc., so I didn't mention it before in
my previous review.
About the patch, I think you are right that we missed the case for different RM bind-host
configuration "yarn.resourcemanager.bind-host". However, the existing {{WebAppUtils.getWebAppBindURL()}}
seems doesn't handle well when bind-host is set to "". 
May be the right fix could be add an explicitly check in WebAppUtils.getWebAppBindURL() to
skip host injection if hostProperty is set to "". [~xgong] and [~vinodkv], what do
you think?

> Cannot obtain logs using YARN CLI -am for either KILLED or RUNNING AM
> ---------------------------------------------------------------------
>                 Key: YARN-5080
>                 URL: https://issues.apache.org/jira/browse/YARN-5080
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn
>    Affects Versions: 2.8.0
>            Reporter: Sumana Sathish
>            Assignee: Xuan Gong
>            Priority: Critical
>             Fix For: 2.8.0
>         Attachments: YARN-5080.1.patch
> When the application is running, if we try to obtain AM logs using 
> {code}
> yarn logs -applicationId <applicationId> -am 1
> {code}
> It throws the following error
> {code}
> Unable to get AM container informations for the application:<applicationId>
> Illegal character in scheme name at index 0:<hostname>
> {code} 

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