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https://issues.apache.org/jira/browse/HDFS-3414?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron T. Myers updated HDFS-3414:
---------------------------------

    Attachment: HDFS-3414.patch

The test failure was because the addition of fs.defaultFS potentially caused 
the client RPC address to be included for a given NN that had already had its 
service RPC address included in the set of NNs to balance. The attached patch 
addresses that issue, and adds a test for it at the end of 
{{DFSUtil#testGetNNUris}}.
                
> Balancer does not find NameNode if rpc-address or servicerpc-address are not 
> set in client configs
> --------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-3414
>                 URL: https://issues.apache.org/jira/browse/HDFS-3414
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: balancer
>    Affects Versions: 2.0.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>            Priority: Minor
>         Attachments: HDFS-3414.patch, HDFS-3414.patch
>
>
> The balancer should also try to balance the NN if it's only specified via 
> fs.defaultFS in the client config.

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