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https://issues.apache.org/jira/browse/YARN-7762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16331984#comment-16331984
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Rohith Sharma K S commented on YARN-7762:
-----------------------------------------

It is done intentionally for secure login from configured hostname rather than 
getting from localhost. In case of VIP machines, doing as per patch disregard 
VIP address. This reverts YARN-1590, pls take a look at  it. 

> ATS uses timeline service config to identify local hostname
> -----------------------------------------------------------
>
>                 Key: YARN-7762
>                 URL: https://issues.apache.org/jira/browse/YARN-7762
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: NITHIN MAHESH
>            Priority: Major
>         Attachments: YARN-7762.patch
>
>
> In ApplicationHistoryServer.doSecureLogin(), the local hostname is got by 
> calling getBindAddress() which gets the hostname that is defined by the 
> config yarn.timeline-service.address. This is a bug and doSecureLogin should 
> just get local host name directly instead of this way.



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