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https://issues.apache.org/jira/browse/AMBARI-8137?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Florian Barca resolved AMBARI-8137.
-----------------------------------
    Resolution: Cannot Reproduce

ResourceManager has been fixed. The standby node now returns STANDBY status as 
normal.

> Enable ResourceManager HA on Windows: Standby RM stalls the UI
> --------------------------------------------------------------
>
>                 Key: AMBARI-8137
>                 URL: https://issues.apache.org/jira/browse/AMBARI-8137
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-agent
>    Affects Versions: branch-windows-dev
>         Environment: Windows Server 64-bit
>            Reporter: Florian Barca
>            Assignee: Florian Barca
>             Fix For: branch-windows-dev
>
>   Original Estimate: 12h
>  Remaining Estimate: 12h
>
> The RM HA Wizard Step 4 freezes while starting the services. The freeze is 
> caused by the REST API call /ws/v1/cluster/nodes, which the standby node 
> doesn't return at all. Until the root cause will be found on the RM side, 
> will ensure the HTTP request times out, so that at least the UI doesn't stall 
> indefinitely.



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