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https://issues.apache.org/jira/browse/ACCUMULO-3701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14387287#comment-14387287
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Josh Elser commented on ACCUMULO-3701:
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A workaround for this is to {{kinit}} before submitting the job (and is
probably the reason I didn't notice it in my local testing).
> 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
>
>
> [~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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