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https://issues.apache.org/jira/browse/HADOOP-6589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kan Zhang updated HADOOP-6589:
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Status: Patch Available (was: Open)
> Better error messages for RPC clients when authentication fails
> ---------------------------------------------------------------
>
> Key: HADOOP-6589
> URL: https://issues.apache.org/jira/browse/HADOOP-6589
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc, security
> Reporter: Kan Zhang
> Assignee: Kan Zhang
> Attachments: c6589-06.patch
>
>
> Currently when authentication fails, RPC server simply closes the connection.
> Sending certain error messages back to the client may help user debug the
> problem. Of course, those error messages that are sent back shouldn't
> compromise system security.
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