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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5842) Cannot create hftp filesystem when using a proxy user ugi and a doAs on a secure cluster
Date Wed, 29 Jan 2014 23:48:17 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13886017#comment-13886017
] 

Jing Zhao commented on HDFS-5842:
---------------------------------

Yeah, that will be great. Thanks Andrew!

> Cannot create hftp filesystem when using a proxy user ugi and a doAs on a secure cluster
> ----------------------------------------------------------------------------------------
>
>                 Key: HDFS-5842
>                 URL: https://issues.apache.org/jira/browse/HDFS-5842
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 2.2.0
>            Reporter: Arpit Gupta
>            Assignee: Jing Zhao
>             Fix For: 2.4.0
>
>         Attachments: HADOOP-10215.000.patch, HADOOP-10215.001.patch, HADOOP-10215.002.patch,
HADOOP-10215.002.patch
>
>
> Noticed this while debugging issues in another application. We saw an error when trying
to do a FileSystem.get using an hftp file system on a secure cluster using a proxy user ugi.
> This is a small snippet used
> {code}
>  FileSystem testFS = ugi.doAs(new PrivilegedExceptionAction<FileSystem>() {
>             @Override
>             public FileSystem run() throws IOException {
>                 return FileSystem.get(hadoopConf);
>             }
>         });
> {code}
> The same code worked for hdfs and webhdfs but not for hftp when the ugi used was UserGroupInformation.createProxyUser



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