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https://issues.apache.org/jira/browse/SLIDER-1010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15048525#comment-15048525
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Steve Loughran commented on SLIDER-1010:
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I've got a patch for this which
# downgrades to a warning
# doesn't strip out the HDFS delegation token in this circumstance (as it
should also apply to launches where there really isn't a keytab)
The first bit I'm confident about; the second one —not so sure
> SliderAM rejecting launch in a secure cluster —claims user not on a keytab
> --------------------------------------------------------------------------
>
> Key: SLIDER-1010
> URL: https://issues.apache.org/jira/browse/SLIDER-1010
> Project: Slider
> Issue Type: Bug
> Components: appmaster, security
> Affects Versions: Slider 0.81
> Environment: kerberos
> Reporter: Steve Loughran
> Assignee: Steve Loughran
>
> Am failing to launch in a secure cluster
> {code}
> 2015-12-02 21:08:21,791 [main] INFO security.UserGroupInformation - Login
> successful for user <omitted> using keytab file
> /grid/5/tmp/yarn-local/usercache/bigml/appcache/application_1447892961767_1838814/container_e02_1447892961767_1838814_02_000001/keytabs/headless.keytab
> 2015-12-02 21:08:21,791 [main] ERROR main.ServiceLauncher - User is not based
> on a keytab in a secure deployment.
> {code}
> This looks like the keytab checking code isn't working
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