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https://issues.apache.org/jira/browse/HDFS-14545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857161#comment-16857161
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Íñigo Goiri commented on HDFS-14545:
------------------------------------

It looks like the failure test is related to the creation of the connection.
I don't think we should capture all exceptions.
Probably is also better to create a Map with a class instead of an Array.
We can add some checks in the class too.

> RBF: Router should support GetUserMappingsProtocol
> --------------------------------------------------
>
>                 Key: HDFS-14545
>                 URL: https://issues.apache.org/jira/browse/HDFS-14545
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Íñigo Goiri
>            Assignee: Ayush Saxena
>            Priority: Major
>         Attachments: HDFS-14545-HDFS-13891-01.patch, 
> HDFS-14545-HDFS-13891-02.patch, HDFS-14545-HDFS-13891-03.patch, 
> HDFS-14545-HDFS-13891.000.patch
>
>
> We should be able to check the groups for a user from a Router.



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