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https://issues.apache.org/jira/browse/HADOOP-11628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14567753#comment-14567753
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Vinod Kumar Vavilapalli commented on HADOOP-11628:
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[~daryn], we haven't officially started supporting JDK 8 yet (HADOOP-11090),
that is why I moved this to 2.8.0. Any reason why this is in 2.7.1?
Thinking out aloud, should we put this in 2.8.0 when we will have HADOOP-11090
with a config option on by default for older deployments?
IAC, [~aw] / [~rajive], please respond to [~daryn]'s comment above. Let's get
to some consensus here. Tx.
> 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
> 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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