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https://issues.apache.org/jira/browse/HADOOP-12510?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran moved MAPREDUCE-6522 to HADOOP-12510:
----------------------------------------------------
Component/s: (was: security)
(was: client)
security
Key: HADOOP-12510 (was: MAPREDUCE-6522)
Project: Hadoop Common (was: Hadoop Map/Reduce)
> Need improved WARN or ERROR when token based auth fails for kmsclient request
> -----------------------------------------------------------------------------
>
> Key: HADOOP-12510
> URL: https://issues.apache.org/jira/browse/HADOOP-12510
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security
> Reporter: Todd Grayson
>
> When token based authentication fails, it would be helpful to have a WARN
> event of the failure, as well as a WARN event that alternative forms of
> authentication are being attempted.
> For example if token based authentication has failed; it appears that there
> is a fallback to attempting kerberos authentication. At that point the most
> prominent logging is a kerberos GSS error, when the actual issue was a
> failure at the token evaluation of a client access request to an HDFS
> encrypted zone.
> In the example below we are presented with a kerberos error, but the actual
> error was a failure of token authorization in an unexpected way.
> {code}
> 15/08/27 07:35:35 INFO mapreduce.Job: Task Id :
> attempt_1440594773177_0021_m_000009_0, Status : FAILED
> org.apache.hadoop.security.authentication.client.AuthenticationException:
> GSSException: No valid credentials provided (Mechanism level: Failed to find
> any Kerberos tgt)
> java.io.IOException:
> org.apache.hadoop.security.authentication.client.AuthenticationException:
> GSSException: No valid credentials provided (Mechanism level: Failed to find
> any Kerberos tgt)
> at
> {code}
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