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https://issues.apache.org/jira/browse/HADOOP-12911?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15305700#comment-15305700
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Kai Zheng commented on HADOOP-12911:
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Hi [~aw], thanks for your questions!

bq. Why was this committed with a findbugs errors rather than adding the 
necessary plumbing in pom.xml to make it go away?
Sorry I'm not aware of that it's a must-to-do instead of better-to-do to make 
findbug issues go away, as we do for check style issues. I planned to get rid 
of this   given kerby-1.0.0-rc3 release, by removing the related work around 
codes totally.
bq. Why wasn't the fix version set in jira?
Yes it's my mistake, I should have been careful about it. Done!
bq. Do we actually need to package all of these extra bits into the 
distribution tar ball?
I'm not sure I understood this. Did you see any related change affecting this? 
What we wanted to change is the involved dependencies, indicated in the pom.xml 
file.


> Upgrade Hadoop MiniKDC with Kerby
> ---------------------------------
>
>                 Key: HADOOP-12911
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12911
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: test
>            Reporter: Jiajia Li
>            Assignee: Jiajia Li
>             Fix For: 3.0.0-alpha1
>
>         Attachments: HADOOP-12911-v1.patch, HADOOP-12911-v2.patch, 
> HADOOP-12911-v3.patch, HADOOP-12911-v4.patch, HADOOP-12911-v5.patch, 
> HADOOP-12911-v6.patch, HADOOP-12911-v7.patch, HaDOOP-12911-v8.patch
>
>
> As discussed in the mailing list, we’d like to introduce Apache Kerby into 
> Hadoop. Initially it’s good to start with upgrading Hadoop MiniKDC with Kerby 
> offerings. Apache Kerby (https://github.com/apache/directory-kerby), as an 
> Apache Directory sub project, is a Java Kerberos binding. It provides a 
> SimpleKDC server that borrowed ideas from MiniKDC and implemented all the 
> facilities existing in MiniKDC. Currently MiniKDC depends on the old Kerberos 
> implementation in Directory Server project, but the implementation is stopped 
> being maintained. Directory community has a plan to replace the 
> implementation using Kerby. MiniKDC can use Kerby SimpleKDC directly to avoid 
> depending on the full of Directory project. Kerby also provides nice identity 
> backends such as the lightweight memory based one and the very simple json 
> one for easy development and test environments.



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