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https://issues.apache.org/jira/browse/HDFS-7985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14378873#comment-14378873
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Andrew Wang commented on HDFS-7985:
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It disables the webui, but you can still use HDFS without the webui. Granted,
it's less useful, but that doesn't mean it's an invalid configuration.
Since it smacks of incompatibility, isn't it better to not remove this config
in 2.x? Since it defaults to true, I don't see a "false" value biting us very
often. Another more friendly (and compatible) approach would be improving the
error message when WebHDFS is disabled.
> WebHDFS should be always enabled
> --------------------------------
>
> Key: HDFS-7985
> URL: https://issues.apache.org/jira/browse/HDFS-7985
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Haohui Mai
> Assignee: Li Lu
> Attachments: HDFS-7985-032415.patch
>
>
> Since 2.7 the HTML 5 UI depends on WebHDFS. Disabling WebHDFS will break the
> UI, thus WebHDFS should be always enabled.
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