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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2246) Job History Link in RM UI is redirecting to the URL which contains Job Id twice
Date Thu, 05 Feb 2015 22:16:37 GMT

    [ https://issues.apache.org/jira/browse/YARN-2246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14308101#comment-14308101
] 

Jason Lowe commented on YARN-2246:
----------------------------------

I think the bug is in RMAppAttemptImpl.  When the AM unregisters, RMAppAttemptImpl.generateProxyUriWithScheme
will take whatever URL the AM specified and replace the server with the proxy URL, e.g.: tracking
URL http://x/y/z becomes http://rmaddr/proxy/appid/y/z.  Then when the webproxy processes
that URL it just replaces http://rmaddr/proxy/appid with the tracking URL, leading to http://x/y/z/y/z.
 IMHO the proxy URL advertised to clients should always be http://rmaddr/proxy/appid, without
other stuff tacked on the end.  That can map to whatever tracking URL the app provided when
processed by the webproxy.

I also wonder if we should list the final tracking URL on the RM UI rather than the proxy
URL.  Seems simpler to just direct them to the final tracking URL rather than through the
RM proxy, unless there's a use case where the client can't reach the final tracking URL directly
and needs to go through the proxy.  I haven't heard of such a setup.

> Job History Link in RM UI is redirecting to the URL which contains Job Id twice
> -------------------------------------------------------------------------------
>
>                 Key: YARN-2246
>                 URL: https://issues.apache.org/jira/browse/YARN-2246
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: webapp
>    Affects Versions: 3.0.0, 0.23.11, 2.5.0
>            Reporter: Devaraj K
>            Assignee: Devaraj K
>         Attachments: MAPREDUCE-4064-1.patch, MAPREDUCE-4064.patch
>
>
> {code:xml}
> http://xx.x.x.x:19888/jobhistory/job/job_1332435449546_0001/jobhistory/job/job_1332435449546_0001
> {code}



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