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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9317) User cannot specify a kerberos keytab for commands
Date Thu, 10 Apr 2014 21:50:24 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13965901#comment-13965901
] 

Hadoop QA commented on HADOOP-9317:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12584166/HADOOP-9317.patch
  against trunk revision .

    {color:red}-1 patch{color}.  The patch command could not apply the patch.

Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/3781//console

This message is automatically generated.

> 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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