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https://issues.apache.org/jira/browse/HADOOP-8726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13442486#comment-13442486
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Daryn Sharp commented on HADOOP-8726:
-------------------------------------
This doesn't work. Tokens can be added directly to the UGI and this patch
won't return them. A new {{UGI}} wrapping the {{Subject}} also won't "see" its
tokens. The {{Credentials}} needs to be constructed from the {{Subject}}.
I think the correct approach is for {{UGI#getCredentials}} to also extract the
secrets from the {{Subject}}. While working on HADOOP-8225 I noticed the
secrets aren't propagate, but I didn't address the issue since I wasn't sure
what impact it might have.
> The Secrets in Credentials are not available to MR tasks
> --------------------------------------------------------
>
> Key: HADOOP-8726
> URL: https://issues.apache.org/jira/browse/HADOOP-8726
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Reporter: Benoy Antony
> Attachments: HADOOP-8726.patch
>
>
> Though secrets are passed in Credentials, the secrets are not available to
> the MR tasks.
> This issue exists with security on/off.
> This is related to the change in HADOOP-8225
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