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Posted to common-issues@hadoop.apache.org by "Thomas Graves (JIRA)" <ji...@apache.org> on 2013/07/01 16:32:24 UTC
[jira] [Updated] (HADOOP-9317) User cannot specify a kerberos
keytab for commands
[ https://issues.apache.org/jira/browse/HADOOP-9317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Thomas Graves updated HADOOP-9317:
----------------------------------
Target Version/s: 3.0.0, 2.1.0-beta, 0.23.10 (was: 3.0.0, 2.1.0-beta, 0.23.9)
> User cannot specify a kerberos keytab for commands
> --------------------------------------------------
>
> Key: HADOOP-9317
> URL: https://issues.apache.org/jira/browse/HADOOP-9317
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 0.23.0, 2.0.0-alpha, 3.0.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Critical
> Attachments: HADOOP-9317.branch-23.patch, HADOOP-9317.branch-23.patch, HADOOP-9317.patch, HADOOP-9317.patch, HADOOP-9317.patch, HADOOP-9317.patch
>
>
> {{UserGroupInformation}} only allows kerberos users to be logged in via the ticket cache when running hadoop commands. {{UGI}} allows a keytab to be used, but it's only exposed programatically. This forces keytab-based users running hadoop commands to periodically issue a kinit from the keytab. A race condition exists during the kinit when the ticket cache is deleted and re-created. Hadoop commands will fail when the ticket cache does not momentarily exist.
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