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https://issues.apache.org/jira/browse/YARN-3517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14516460#comment-14516460
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Varun Vasudev commented on YARN-3517:
-------------------------------------
It can be null if no authentication filter is setup. Also, the aclsManager
doesn't handle a null callerUGI and ends up throwing a null pointer exception.
> RM web ui for dumping scheduler logs should be for admins only
> --------------------------------------------------------------
>
> Key: YARN-3517
> URL: https://issues.apache.org/jira/browse/YARN-3517
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager, security
> Reporter: Varun Vasudev
> Assignee: Varun Vasudev
> Priority: Blocker
> Labels: security
> Attachments: YARN-3517.001.patch, YARN-3517.002.patch,
> YARN-3517.003.patch, YARN-3517.004.patch, YARN-3517.005.patch
>
>
> YARN-3294 allows users to dump scheduler logs from the web UI. This should be
> for admins only.
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