Problem with RFC-XI_SOAP Scenario

Hello Guru's,

I am stuck with a scenario in RFC-XI-SOAP. Its a simple scenario where in I am trying to pass in two numbers to a web service and the web service will return the addition of two numbers back to the RFC.

The scenario configuration looks perfect. I have referred all the related blogs (blogs related to RFC-XI-SOAP scenarios) after I configured the scenario. The RFC destination which I created was tested successful.

When I executed the RFC at the destination, it threw a dump saying "call to messaging system failed: com.sap.aii.af.ra.ms.api.DeliveryException:". When I checked the sender RFC adapter in RWB, this is the message what I got

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- Error: 2008-01-09 12:04:29 GMT+05:30: Message processed for interface ZRFC_SAMPLE_ADD: com.sap.aii.af.mp.module.ModuleException: call to messaging system failed: com.sap.aii.af.ra.ms.api.DeliveryException: XIAdapter:ADAPTER.SOAP_EXCEPTION:soap fault: Server was unable to read request. ---> There is an error in XML document (1, 166). ---> Input string was not in a correct format. caused by: com.sap.aii.af.ra.ms.api.DeliveryException: XIAdapter:ADAPTER.SOAP_EXCEPTION:soap fault: Server was unable to read request. ---> There is an error in XML document (1, 166). ---> Input string was not in a correct format.

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For the message it quite clear that there is something wrong with the format. But when I tested WSDL in XML spy, it ran fine.

Could anybody help me with the cause of this problem?

Thanking you in advance,

Vijay