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https://issues.apache.org/jira/browse/HADOOP-6299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12805716#action_12805716
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Owen O'Malley commented on HADOOP-6299:
---------------------------------------
They were never intended to be public interfaces. They were intended to be
limited to HDFS and MapReduce.
User still exists, it was just made non-public, which is hard to mark with
deprecation. If the community thinks it is important to keep a deprecated
UnixUGI, please open a new jira.
> Use JAAS LoginContext for our login
> -----------------------------------
>
> Key: HADOOP-6299
> URL: https://issues.apache.org/jira/browse/HADOOP-6299
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Reporter: Arun C Murthy
> Assignee: Owen O'Malley
> Fix For: 0.22.0
>
> Attachments: 6299-MR-early.patch, h-6299.patch, h-6299.patch,
> h-6299.patch, h-6299.patch, h-6299.patch, HADOOP-6299-2.patch,
> UserGroupInformation.java, UserGroupInformation.java
>
>
> Currently we use a custom login module in UnixUserGroupInformation for
> acquiring user-credentials (via config or exec'ing 'whoami'). We should
> switch to using standard JAAS components such as LoginContext and possibly
> implement a custom UnixLoginContext for our current requirements. In future
> we can use this for Kerberos etc.
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