Jeff Storck created NIFI-2696:
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             Summary: Access Denied messages should include more information
                 Key: NIFI-2696
                 URL: https://issues.apache.org/jira/browse/NIFI-2696
             Project: Apache NiFi
          Issue Type: Improvement
          Components: Core Framework, Core UI
            Reporter: Jeff Storck
            Priority: Minor
             Fix For: 1.1.0


Access Denied errors should provide more information than just the statement 
that access has been denied.  At a minimum, the component types and IDs for 
which access was denied should be provided in the message.

For example, if the user is attempting to create a template that includes a 
child process group that has a controller service for which the user does not 
have read access, the request to create the template will be denied, and the 
user will be informed that it was denied.  While this is correct, the user (and 
perhaps the admin) does not have a clear indication of which component involved 
in the request caused the request to be denied.

If the component types and IDs are shown in the error message (and logs), the 
user (and admin) have direct information to use to solve any policy changes 
that might need to be made to allow the user's request to complete successfully.



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