[jira] [Created] (KNOX-2801) Error Message should come in virtual group mapping provider if there are multiple occurrence's of a virtual group.

[Attila Magyar (Jira)]

Attila Magyar created KNOX-2801:
-----------------------------------

             Summary: Error Message should come in virtual group mapping 
provider if there are multiple occurrence's of a virtual group.
                 Key: KNOX-2801
                 URL: https://issues.apache.org/jira/browse/KNOX-2801
             Project: Apache Knox
          Issue Type: Improvement
            Reporter: Abhilash Perla
            Assignee: Attila Magyar


If the user configures two groups with the same name, the 2nd one is going to 
overwrite the 1st one. Which is fine but we should inform the user about this 
in a warning message because this is likely not what they wanted.

{code}

<provider>
            <role>identity-assertion</role>
            <name>HadoopGroupProvider</name>
            <enabled>true</enabled>
           <param>
                <name>group.mapping.abhi</name>
                <value>true</value>
            </param>
           <param>
                <name>group.mapping.abhi</name>
                <value>false</value>
            </param>
        </provider>
{code}



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