javax.xml.rpc.soap.SOAPFaultException: Deserialisation failed

Hi

I have imported one webservice in my application. When i am executing the application i am getting following error

<b>javax.xml.rpc.soap.SOAPFaultException: Deserialisation failed</b>

i have tested this webservice using WSNAVIGATOR and i have entered data only in few fields, its working fine. But when i am executing my application its asking to enter data in every field. I have enterd data in every field but still i am getting the above error

How resolve it

Please help

Best Regards

Ravi Shankar B