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https://issues.apache.org/jira/browse/YARN-1590?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13891065#comment-13891065
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Mohammad Kamrul Islam commented on YARN-1590:
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bq. It is true mainly for RM, NM,, WebProxy, and JHS rpc service. Looks like it
is working fine for webservice authentication.
It means RM UI (for example) works fine with _HOST.
However, any RM rpc communication with NM (e.g.) doesn't work.
We tested that this patch resolved the RM<-->NM communications failure.
> _HOST doesn't expand properly for RM, NM, ProxyServer and JHS
> -------------------------------------------------------------
>
> Key: YARN-1590
> URL: https://issues.apache.org/jira/browse/YARN-1590
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 3.0.0, 2.2.0
> Reporter: Mohammad Kamrul Islam
> Assignee: Mohammad Kamrul Islam
> Attachments: YARN-1590.1.patch, YARN-1590.2.patch, YARN-1590.3.patch,
> YARN-1590.4.patch
>
>
> _HOST is not properly substituted when we use VIP address. Currently it
> always used the host name of the machine and disregard the VIP address. It is
> true mainly for RM, NM, WebProxy, and JHS rpc service. Looks like it is
> working fine for webservice authentication.
> On the other hand, the same thing is working fine for NN and SNN in RPC as
> well as webservice.
>
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