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Posted to common-issues@hadoop.apache.org by "Daryn Sharp (JIRA)" <ji...@apache.org> on 2012/08/27 17:56:08 UTC
[jira] [Commented] (HADOOP-8726) The Secrets in Credentials are not
available to MR tasks
[ https://issues.apache.org/jira/browse/HADOOP-8726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13442486#comment-13442486 ]
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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