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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12911) Upgrade Hadoop MiniKDC with Kerby
Date Wed, 25 May 2016 22:37:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12911?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15301018#comment-15301018
] 

Kai Zheng commented on HADOOP-12911:
------------------------------------

Hi [~jiajia],

Looks like the reported findbug issue needs to be addressed. Could you check? Thanks.
{noformat}
org.apache.hadoop.minikdc.MiniKdc.stop() calls Thread.sleep() with a lock held At MiniKdc.java:lock
held At MiniKdc.java:[line 345]
{noformat}

It's very close and would be good to speed up to allow this to be included in the alpha1 release
cut of Hadoop 3, per an off-line sync up with [~andrew.wang].

> 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
>         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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