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From "Robert Kanter (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1811) Error 500 when clicking the "Application Master" link in the RM UI while a job is running with RM HA
Date Mon, 10 Mar 2014 21:20:43 GMT

     [ https://issues.apache.org/jira/browse/YARN-1811?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Kanter updated YARN-1811:
--------------------------------

    Attachment: YARN-1811.patch

The basic problem was that WebAppUtils.getProxyHostAndPort(...) was not HA-aware so it wasn't
able to properly determine the active RM's address.  The AmIpFilter calls this method to determine
which host it should also proxying from, so it was blocking everything except localhost in
many cases.

I verified that the patch fixes the problem on a cluster.

> Error 500 when clicking the "Application Master" link in the RM UI while a job is running
with RM HA
> ----------------------------------------------------------------------------------------------------
>
>                 Key: YARN-1811
>                 URL: https://issues.apache.org/jira/browse/YARN-1811
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 2.3.0
>            Reporter: Robert Kanter
>            Assignee: Robert Kanter
>         Attachments: YARN-1811.patch
>
>
> When using RM HA, if you click on the "Application Master" link in the RM web UI while
the job is running, you get an Error 500:



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