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https://issues.apache.org/jira/browse/YARN-165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated YARN-165:
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Attachment: YARN-165.patch
Patch to change the tracking URL to point to the RM app page when the AM fails.
> RM should point tracking URL to RM web page for app when AM fails
> -----------------------------------------------------------------
>
> Key: YARN-165
> URL: https://issues.apache.org/jira/browse/YARN-165
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager
> Affects Versions: 2.0.3-alpha, 0.23.5
> Reporter: Jason Lowe
> Priority: Blocker
> Attachments: YARN-165.patch
>
>
> Currently when an ApplicationMaster fails the ResourceManager is updating the
> tracking URL to an empty string, see
> RMAppAttemptImpl.ContainerFinishedTransition. Unfortunately when the client
> attempts to follow the proxy URL it results in a web page showing an HTTP 500
> error and an ugly backtrace because "http://"; isn't a very helpful tracking
> URL.
> It would be much more helpful if the proxy URL redirected to the RM webapp
> page for the specific application. That page shows the various AM attempts
> and pointers to their logs which will be useful for debugging the problems
> that caused the AM attempts to fail.
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