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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3444) hdfs groups command doesn't work with security enabled
Date Fri, 18 May 2012 18:55:07 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron T. Myers updated HDFS-3444:
---------------------------------

    Attachment: HDFS-3444.patch

Here's a patch which addresses the issue. The problem was: a) there was no KerberosInfo annotation
on the GetGroupsProtocolPB interface and b) the hdfs get groups commands was not subbing in
the NN server principal for the generic GetGroups interface.

No tests are included since security is required to exercise this bug. I tested it manually
on a cluster with security enabled and confirmed that it works as expected.
                
> hdfs groups command doesn't work with security enabled
> ------------------------------------------------------
>
>                 Key: HDFS-3444
>                 URL: https://issues.apache.org/jira/browse/HDFS-3444
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs client
>    Affects Versions: 2.0.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: HDFS-3444.patch
>
>
> When one tries to run `hdfs groups' with security enabled, you'll get an error like the
following:
> {noformat}
> java.io.IOException: Failed to specify server's Kerberos principal name;
> {noformat}

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