Alejandro Abdelnur created HADOOP-8355:
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             Summary: SPNEGO filter throws/logs exception when authentication 
fails
                 Key: HADOOP-8355
                 URL: https://issues.apache.org/jira/browse/HADOOP-8355
             Project: Hadoop Common
          Issue Type: Bug
          Components: security
    Affects Versions: 2.0.0
            Reporter: Alejandro Abdelnur
            Assignee: Alejandro Abdelnur
            Priority: Minor
             Fix For: 2.0.0


if the auth-token is NULL means the authenticator has not authenticated the 
request and it has already issue an UNAUTHORIZED response, there is no need to 
throw an exception and then immediately catch it and log it. The 'else throw' 
can be removed.

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