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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2016/03/30 12:26:25 UTC

[jira] [Commented] (HADOOP-11628) SPNEGO auth does not work with CNAMEs in JDK8

    [ https://issues.apache.org/jira/browse/HADOOP-11628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15217768#comment-15217768 ] 

Steve Loughran commented on HADOOP-11628:
-----------------------------------------

Revisiting this: this isn't in 2.7... do we need to backport it?

> SPNEGO auth does not work with CNAMEs in JDK8
> ---------------------------------------------
>
>                 Key: HADOOP-11628
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11628
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 2.6.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Blocker
>              Labels: jdk8
>             Fix For: 2.8.0
>
>         Attachments: HADOOP-11628.patch
>
>
> Pre-JDK8, GSSName auto-canonicalized the hostname when constructing the principal for SPNEGO.  JDK8 no longer does this which breaks the use of user-friendly CNAMEs for services.



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