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https://issues.apache.org/jira/browse/KNOX-934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16006764#comment-16006764
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Larry McCay commented on KNOX-934:
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[~jeffreyr97] - thanks for commenting on this. I meant to follow up with a very
similar question but wanted to try and figure out what I was missing in this
scenario.
[~kamrul] - I also think it is obvious that Knox requires line of sight to all
the nodes in order to handle HA protocols properly. Therefore, I must be
missing something in your scenario. If you can further articulate then we can
try and address the issue in 0.13.0.
Thanks for your continued interest and contributions to Knox!
> Support UI HA for resource manager
> -----------------------------------
>
> Key: KNOX-934
> URL: https://issues.apache.org/jira/browse/KNOX-934
> Project: Apache Knox
> Issue Type: New Feature
> Reporter: Mohammad Kamrul Islam
> Assignee: Mohammad Kamrul Islam
>
> Looks like, Knox doesn't support YARN UI HA. For example, if there is two RM
> instances running, any access to RM UI redirects ( code 307) to the active
> RM UI.
> This redirect doesn't work when the actual UI is running behind a firewall
> (because primary UI is not directly accessible).
> However, if KNOX hits the active UI directly - there will be no forwarding
> and UI is displayed properly.
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