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https://issues.apache.org/jira/browse/HADOOP-10817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14065708#comment-14065708
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Andrew Wang commented on HADOOP-10817:
--------------------------------------

Didn't see these handled:

{quote}
* Would be good to Precondition check that init has been called wherever we use 
configPrefix or related
* Some basic checking of configPrefix in init as well, e.g. not empty, not null
{quote}

+1 pending these

> ProxyUsers configuration should support configurable prefixes 
> --------------------------------------------------------------
>
>                 Key: HADOOP-10817
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10817
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 3.0.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>         Attachments: HADOOP-10817.patch, HADOOP-10817.patch, 
> HADOOP-10817.patch
>
>
> Currently {{ProxyUsers}} and the {{ImpersonationProvider}} are hardcoded to 
> use {{hadoop.proxyuser.}} prefixes for loading proxy user configuration.
> Adding the possibility of using a custom prefix will enable reusing the 
> {{ProxyUsers}} class from other components (i.e. HttpFS and KMS).



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