Problem in Sessionbean exposed as webservice

Hello Gurus,
I have developed a session bean and exposed it as a webservice when I try to execute webservice from webservice navigator it runs fine, so there is no problem with webservice.
Then I have created a Adaptive webservice model for that webservie and try to execute it but it gives below error
Exception on execution of web service with WSDL URL '<WSDL URL>' with operation 'addNewExam' in interface 'ManageExamVi_Document'
I think this is because I have not set the Username / password to execute the webservice but I don't know how to set it.
in depricated webservice model there were methods available for setting username password for webservice execution but nothing likewise is available new Adaptive websrvice model, but I am not sure the problem there or some where else.
Please tell me how can I solve this error.
Thanks

Hi Saleem,
Thanks a lot for your message I have added the Username password as you suggested but still it gives same problem. below are the error message and cause.
e.getCause()
java.lang.reflect.InvocationTargetException: Cannot find the required parameter [name] in request message content.
e.getMessage()
Exception on execution of web service with WSDL URL '<WSDL URL>' with operation 'addNewExam' in interface 'ManageExamVi_Document'
I am getting more confused now because getCause is saying that name parameter is not set properly but I have set it properly till the model attribute but still it is giving problem.
I don't have any clue now to solve this issue, please help me.
Thanks

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