Web dynpro web service consumption exception

Hi All,
I am getting an exception while executing my web dynpro application, which basically try to cunsume a web service method with a single input string parameter
Let me put down the steps I followed for developing this web dynpro
1) Created a Web dynpro project
2) Created an Application under it, and a component and a view is been associated to it
3) From the data modeler, created a new model, which basically inherits a Adaptive web service
4) From the controller I used apply template, which created a data link to the Controller and model
5) Created a datalink from View to Component controller and mapped the associated fields
6) In the Action tab created a new action "xx"
7) In the Layout of view created a Group UI component and associated all the fields from the context to the Group
8) Created a button to invoke the action.
9) Under the implementation tab, I called the execute controller's execute method
10) Controller class is fully generated by web dynpro , as I have given apply template (Binding in wdDoInit(), calling
modelObject().execute() method is generated by itself)
11) Once after building, deploying and running I got the screen with non editable fields and on clicking the button I
I got the exception as mentioned below
Exception on execution of web service with WSDL URL 'http://iwdfvm2225:50000/WsTest/Config1?wsdl' with operation 'TestMethod' in interface 'WsTestVi_Document'
12) But Web service works fine and returns proper value, when tested directly.(Using Web Services Navigator - Test )
Please help me to fix the issue
Thanks in advance
Regards
Bala

hi balamurugan,
Try to reimport the model once again and do a server restart. This might help you. Sometimes the mapping will not be recognised.so you will tend to get such exceptions.
You comment off the code where you are catching the exception and debug what values are getting passed to the backend.
If you have portal access, then immediately after you get this exception, check your portal log viewer.You will find out what is the error for.
Thanks,
NP

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Creyendo que eres español te escribo en tal idioma.
He visto que a ti también te devolvía un error de autentificación 401, y que lo subsanaste, pero a mi con la solución que te dieron no me vale, ya que implemento el código que te ofrecieron para arreglarlo y ahora me da un fallo de "Server Error" poniendo en usuario y password, los correspondientes a XI.
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