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https://issues.apache.org/jira/browse/HDFS-9241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14962773#comment-14962773
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Haohui Mai commented on HDFS-9241:
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Though I don't think this is a strictly incompatible change as the applications 
won't break if they still depend on hadoop-hdfs, I see a lot of values to allow 
the applications to just change their dependency to hadoop-hdfs-client and 
without changing the code.

I think the proposal makes a lot of sense. +1 on the proposal. [~liuml07], do 
you agree?

> HDFS clients can't construct HdfsConfiguration instances
> --------------------------------------------------------
>
>                 Key: HDFS-9241
>                 URL: https://issues.apache.org/jira/browse/HDFS-9241
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs-client
>            Reporter: Steve Loughran
>            Assignee: Mingliang Liu
>         Attachments: HDFS-9241.000.patch
>
>
> the changes for the hdfs client classpath make instantiating 
> {{HdfsConfiguration}} from the client impossible; it only lives server side. 
> This breaks any app which creates one.
> I know people will look at the {{@Private}} tag and say "don't do that then", 
> but it's worth considering precisely why I, at least, do this: it's the only 
> way to guarantee that the hdfs-default and hdfs-site resources get on the 
> classpath, including all the security settings. It's precisely the use case 
> which {{HdfsConfigurationLoader.init();}} offers internally to the hdfs code.
> What am I meant to do now? 



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