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From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1157) ResourceManager UI has invalid tracking URL link for distributed shell application
Date Fri, 13 Sep 2013 15:40:55 GMT

    [ https://issues.apache.org/jira/browse/YARN-1157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13766556#comment-13766556
] 

Xuan Gong commented on YARN-1157:
---------------------------------

The reason is: At RMAppAttemptImpl::generateProxyUriWithoutScheme(String)
{code}
      return result.toASCIIString().substring(HttpConfig.getSchemePrefix().length());
{code}
can return an empty String,

But at WebAppProxyServlet, it only check whether the urlString is null or not, we should also
check the empty string.
                
> ResourceManager UI has invalid tracking URL link for distributed shell application
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-1157
>                 URL: https://issues.apache.org/jira/browse/YARN-1157
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>            Reporter: Tassapol Athiapinya
>            Assignee: Xuan Gong
>             Fix For: 2.1.1-beta
>
>         Attachments: YARN-1157.1.patch
>
>
> Submit YARN distributed shell application. Goto ResourceManager Web UI. The application
definitely appears. In Tracking UI column, there will be history link. Click on that link.
Instead of showing application master web UI, HTTP error 500 would appear.

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