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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ACCUMULO-3701) MapReduce jobs need to perform kerberos login before instantiating Job
Date Mon, 30 Mar 2015 23:35:52 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-3701?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Josh Elser resolved ACCUMULO-3701.
----------------------------------
    Resolution: Fixed

> MapReduce jobs need to perform kerberos login before instantiating Job
> ----------------------------------------------------------------------
>
>                 Key: ACCUMULO-3701
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-3701
>             Project: Accumulo
>          Issue Type: Bug
>          Components: client
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Blocker
>             Fix For: 1.7.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> [~billie.rinaldi] found another nice bug through testing out running a Continuous Verify
MapReduce job with Kerberos/SASL enabled. She provided a keytab and SASL was enabled in the
client conf, but when the job was submitted, it failed because there were no kerberos credentials.
> * Instantiate Job (caches currentUser which is nobody)
> * Login with keytab programmatically, get Accumulo delegation token
> * Job tries to get HDFS delegation token, and fails
> We need to ensure that a UGI login happens when a keytab is provided as an option *before*
a Job is created.



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