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https://issues.apache.org/jira/browse/HDFS-17679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Istvan Toth updated HDFS-17679:
-------------------------------
    Summary: Use saslClient#hasInitialResponse() instead of heuristics in 
SaslParticipant#createFirstMessage()  (was: Use saslClient#hasInitialResponse() 
instead of heuristics in SaslParticipant.createFirstMessage())

> Use saslClient#hasInitialResponse() instead of heuristics in 
> SaslParticipant#createFirstMessage()
> -------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-17679
>                 URL: https://issues.apache.org/jira/browse/HDFS-17679
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: security
>            Reporter: Istvan Toth
>            Assignee: Istvan Toth
>            Priority: Major
>
> Hadoop currently tries to use a heuristics based on the mechanism name.
> However, SASL has an explcit method to determine if a mechanism requires an 
> inital evaluateChallange() call, which can be universally and unambigiously 
> for this purpose.



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