[jbossws-users] java.lang.ClassCastException: org.jboss.ws.core.soap. SOAPMessageImpl

Hi All, I am new to webservice.. I have created client webservice (java classes using wscompile tool) to access the webservice (http://....?wsdl) and get theexchangerates. when i execute the client webservice.. i get the following exception java.lang.ClassCastException: org.jboss.ws.core.soap.SOAPMessageImpl at com.sun.xml.rpc.client.StubBase._postSendingHook(StubBase.java:248) at com.sun.xml.rpc.client.StreamingSender._send(StreamingSender.java:341) at com.acer.emb.webservice.client.test.MNBArfolyamServiceSoap_Stub.getCurrentExchangeRates(MNBArfolyamServiceSoap_Stub.java:83) at com.acer.emb.webservice.client.test.HungaryExchangeRateStub.main(HungaryExchangeRateStub.java:12) I would be grateful, if u guys give me suggestions/guidance.. thanks