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https://issues.apache.org/jira/browse/HDFS-10888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15513481#comment-15513481
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Weiwei Yang commented on HDFS-10888:
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Firebugs or chrome develop tools, they will both give you some more
information. And additionally, check if namenode log contains any suspicious
error. The UI was supposed to show a warning dialog when there is communication
errors, not sure what happened here.
> dfshealth.html#tab-datanode
> ---------------------------
>
> Key: HDFS-10888
> URL: https://issues.apache.org/jira/browse/HDFS-10888
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ui
> Affects Versions: 2.7.3
> Reporter: Alexey Ivanchin
> Assignee: Weiwei Yang
>
> When you click on the tab NN:50070/dfshealth.html#tab-overview i see live
> datanode and other info.
> When you click on the tab NN:50070/dfshealth.html#tab-datanode I see a blank
> page. How to fix?
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