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https://issues.apache.org/jira/browse/HDFS-6313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13993042#comment-13993042
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Kihwal Lee commented on HDFS-6313:
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MiniDFSCluster or NN does not alter the config after its up. It was a easy way
to get HA config set up for the test.
> WebHdfs may use the wrong NN when configured for multiple HA NNs
> ----------------------------------------------------------------
>
> Key: HDFS-6313
> URL: https://issues.apache.org/jira/browse/HDFS-6313
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: webhdfs
> Affects Versions: 3.0.0, 2.4.0
> Reporter: Daryn Sharp
> Assignee: Kihwal Lee
> Priority: Blocker
> Fix For: 3.0.0, 2.4.1
>
> Attachments: HDFS-6313.branch-2.4.patch, HDFS-6313.patch
>
>
> WebHdfs resolveNNAddr will return a union of addresses for all HA configured
> NNs. The client may access the wrong NN.
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