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Date: Thu, 31 Jan 2013 22:39:13 +0000 (UTC)
From: "Thomas Graves (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Message-ID: <JIRA.12610171.1349311595828.226009.1359671953202@arcas>
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Subject: [jira] [Updated] (HADOOP-8878) uppercase namenode hostname causes
 hadoop dfs calls with webhdfs filesystem and fsck to fail when security is
 on
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     [ https://issues.apache.org/jira/browse/HADOOP-8878?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Graves updated HADOOP-8878:
----------------------------------

    Fix Version/s: 0.23.7
    
> uppercase namenode hostname causes hadoop dfs calls with webhdfs filesystem and fsck to fail when security is on
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-8878
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8878
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 1.0.3, 1.1.0, 1.2.0, 3.0.0
>            Reporter: Arpit Gupta
>            Assignee: Arpit Gupta
>             Fix For: 1.1.1, 2.0.3-alpha, 0.23.7
>
>         Attachments: HADOOP-8878.branch-1.patch, HADOOP-8878.branch-1.patch, HADOOP-8878.branch-1.patch, HADOOP-8878.patch, HADOOP-8878.patch, HADOOP-8878.patch
>
>
> This was noticed on a secure cluster where the namenode had an upper case hostname and the following command was issued
> hadoop dfs -ls webhdfs://NN:PORT/PATH
> the above command failed because delegation token retrieval failed.
> Upon looking at the kerberos logs it was determined that we tried to get the ticket for kerberos principal with upper case hostnames and that host did not exit in kerberos. We should convert the hostnames to lower case. Take a look at HADOOP-7988 where the same fix was applied on a different class.
> I have noticed this issue exists on branch-1. Will investigate trunk and branch-2 and update accordingly.

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