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From "Ewan Higgs (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11999) yarn.resourcemanager.webapp.address and friends are converted to fqdn in the href urls of the web app.
Date Mon, 25 May 2015 14:17:17 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14558281#comment-14558281
] 

Ewan Higgs commented on HADOOP-11999:
-------------------------------------

We don't use HDFS (using parallel file system instead) so I haven't tested this with HDFS.
Only Yarn.

> yarn.resourcemanager.webapp.address and friends are converted to fqdn in the href urls
of the web app.
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-11999
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11999
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.3.0
>         Environment: Linux.
>            Reporter: Ewan Higgs
>
> I am setting up a Hadoop cluster where the nodes have FQDNames inside
> the cluster, but the DNS where these names are registered is behind some
> login nodes. So any user who tries to access the web interface needs to
> use the IPs instead.
> I set the 'yarn.nodemanager.webapp.address' and
> 'yarn.resourcemanager.webapp.address' to the appropriate IP:port. I
> don't give it the FQDN in this config field.
> However, when I access the web app it all works inside each web app.
> However, when I cross from the Resource Manager to the Node Manager web
> app, the href url uses the FQDN that I don't want. Obviously this is a
> dead link to the user and can only be fixed if they copy and paste the
> appropriate IP address for the node (not a pleasant user experience).
> I suppose it makes sense to use the FQDN for the link text in the web app, but not the
actual url if the IP was specified.



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