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https://issues.apache.org/jira/browse/HADOOP-9358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HADOOP-9358:
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Attachment: hadoop-9385.txt
> "Auth failed" log should include exception string
> -------------------------------------------------
>
> Key: HADOOP-9358
> URL: https://issues.apache.org/jira/browse/HADOOP-9358
> Project: Hadoop Common
> Issue Type: Bug
> Components: ipc, security
> Affects Versions: 3.0.0, 2.0.4-beta
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: hadoop-9385.txt
>
>
> Currently, when authentication fails, we see a WARN message like:
> {code}
> 2013-02-28 22:49:03,152 WARN ipc.Server
> (Server.java:saslReadAndProcess(1056)) - Auth failed for 1.2.3.4:12345:null
> {code}
> This is not useful to understand the underlying cause. The WARN entry should
> additionally include the exception text, eg:
> {code}
> 2013-02-28 22:49:03,152 WARN ipc.Server
> (Server.java:saslReadAndProcess(1056)) - Auth failed for 1.2.3.4:12345:null
> (GSS initiate failed [Caused by GSSException: Failure unspecified at GSS-API
> level (Mechanism level: Request is a replay (34))])
> {code}
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