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https://issues.apache.org/jira/browse/HDFS-13433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16436486#comment-16436486
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Ajay Kumar commented on HDFS-13433:
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[~arpitagarwal] thanks for finding this bug and submitting the patch. LGTM. One
minor comment to improve log message.
Namenode#NameNode L928 , Shall we modify log statement to "Clients will use"
instead of "Clients are to use"
> webhdfs requests can be routed incorrectly in federated cluster
> ---------------------------------------------------------------
>
> Key: HDFS-13433
> URL: https://issues.apache.org/jira/browse/HDFS-13433
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Priority: Critical
> Attachments: HDFS-13433.01.patch, HDFS-13433.02.patch,
> HDFS-13433.03.patch
>
>
> In the following HA+Federated setup with two nameservices ns1 and ns2:
> # ns1 -> namenodes nn1, nn2
> # ns2 -> namenodes nn3, nn4
> # fs.defaultFS is {{hdfs://ns1}}.
> A webhdfs request issued to nn3/nn4 will be routed to ns1. This is because
> {{setClientNamenodeAddress}} initializes {{NameNode#clientNamenodeAddress}}
> using fs.defaultFS before the config is overriden.
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