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https://issues.apache.org/jira/browse/HADOOP-6584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12884066#action_12884066
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Kan Zhang commented on HADOOP-6584:
-----------------------------------

Patch c6584-02.patch was simply a port of Jakob's original patch for Y20. The 
javadoc warnings are unrelated since they are due to KerberosName.java and 
SecurityUtil.java, neither of which this patch modifies. This patch adds a 
Kerberos functionality and we currently don't have a framework to unit test it. 
However, I have manually verified it by deploying a single host cluster with 
suitable Kerberos infrastructure. I also ran "ant test" and it passed.

> Provide Kerberized SSL encryption for webservices
> -------------------------------------------------
>
>                 Key: HADOOP-6584
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6584
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>         Attachments: c6584-02.patch, HADOOP-6584-FixJavadoc-Y20.patch, 
> HADOOP-6584-Y20-1.patch, HADOOP-6584-Y20-2.patch, HADOOP-6584-Y20-3.patch, 
> HADOOP-6584-Y20-4.patch, HADOOP-6584.patch
>
>
> Some web services should be authenticated via SSL backed by Kerberos, both to 
> provide cross-cluster secure communication and to provide intra-cluster 
> server authentication for services such as the 
> {Name,SecondaryName,Backup,Checkpoint}node's image transfer and balancer.

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