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https://issues.apache.org/jira/browse/HADOOP-15613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16564031#comment-16564031
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Ajay Kumar commented on HADOOP-15613:
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[~surendrasingh] Does this work when you replace ip with hostname? Replacing
hostname with fully qualified domain name may break some existing applications
where principals were generated with host name but not fqdn.
> KerberosAuthenticator should resolve the hostname to get the service principal
> ------------------------------------------------------------------------------
>
> Key: HADOOP-15613
> URL: https://issues.apache.org/jira/browse/HADOOP-15613
> Project: Hadoop Common
> Issue Type: Bug
> Components: auth
> Affects Versions: 2.7.2
> Reporter: Surendra Singh Lilhore
> Assignee: Surendra Singh Lilhore
> Priority: Major
> Attachments: HADOOP-15613.001.patch
>
>
> When in rest URL, IP is used as a address then
> "KerberosAuthenticator.this.url.getHost()" not able to resolve the hostname.
> This hostname will be used to construct server HTTP principal.
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