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From "Haohui Mai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12506) HDFS clients can't construct HdfsConfiguration instances
Date Fri, 23 Oct 2015 21:48:28 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14971930#comment-14971930
] 

Haohui Mai commented on HADOOP-12506:
-------------------------------------

+1. Ran the test locally and all passed. I'll commit it shortly.

> HDFS clients can't construct HdfsConfiguration instances
> --------------------------------------------------------
>
>                 Key: HADOOP-12506
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12506
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Steve Loughran
>            Assignee: Mingliang Liu
>         Attachments: HDFS-9241.000.patch, HDFS-9241.001.patch, HDFS-9241.002.patch, HDFS-9241.003.patch,
HDFS-9241.004.patch, HDFS-9241.005.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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