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https://issues.apache.org/jira/browse/HDFS-11502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeffrey E  Rodriguez updated HDFS-11502:
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    Summary: dn.js set datanode UI to window.location.hostname, it should use 
jmx bean property to setup hostname  (was: dn.js set datanode UI to 
window.location.hostname, it should use jmx 
"qry=Hadoop:service=DataNode,name=RpcDetailedActivityForPort8010" to get 
tag.hostname)

> dn.js set datanode UI to window.location.hostname, it should use jmx bean 
> property to setup hostname
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-11502
>                 URL: https://issues.apache.org/jira/browse/HDFS-11502
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs
>    Affects Versions: 2.7.2, 2.7.3
>         Environment: all
>            Reporter: Jeffrey E  Rodriguez
>            Assignee: Jeffrey E  Rodriguez
>             Fix For: 2.8.0, 2.7.3, 3.0.0-alpha1, 3.0.0-alpha2
>
>         Attachments: HDFS-11502.001.patch
>
>
> Datanode UI calls dn.js which loads properties for datanode..
> dn.js sets datanode UI to window.location.hostname, it should use jmx 
> "qry=Hadoop:service=DataNode,name=RpcDetailedActivityForPort8010" to get 
> tag.hostname.
> The issue is that if we proxy datanode UI we would get the proxy as the 
> hostname because UI code uses window.location.hostname instead of the actual 
> datanode hostname.



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