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From "Mohammad Kamrul Islam (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1590) _HOST doesn't expand properly for RM, NM, ProxyServer and JHS
Date Tue, 04 Feb 2014 19:32:15 GMT

    [ 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:
---------------------------------------------

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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