hi all.. i have a prob when i want to try to use call.invoke method.. here the error i get.. why i get this prob?..its been 3 days now..hope anyone can help me..thx.. java.lang.NoClassDefFoundError: MoParamReceive (wrong name: subCriptApp/MoParamReceive); nested exception is: java.lang.NoClassDefFoundError: MoParamReceive (wrong name: subCriptApp/MoParamReceive) org.apache.axis.message.SOAPFaultBuilder.createFault(SOAPFaultBuilder.java:222) org.apache.axis.message.SOAPFaultBuilder.endElement(SOAPFaultBuilder.java:129) org.apache.axis.encoding.DeserializationContext.endElement(DeserializationContext.java:1087) org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source) org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanEndElement(Unknown Source) org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source) org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) org.apache.xerces.parsers.XMLParser.parse(Unknown Source) org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source) javax.xml.parsers.SAXParser.parse(Unknown Source) org.apache.axis.encoding.DeserializationContext.parse(DeserializationContext.java:227) org.apache.axis.SOAPPart.getAsSOAPEnvelope(SOAPPart.java:696) org.apache.axis.Message.getSOAPEnvelope(Message.java:435) org.apache.axis.handlers.soap.MustUnderstandChecker.invoke(MustUnderstandChecker.java:62) org.apache.axis.client.AxisClient.invoke(AxisClient.java:206) org.apache.axis.client.Call.invokeEngine(Call.java:2784) org.apache.axis.client.Call.invoke(Call.java:2767) org.apache.axis.client.Call.invoke(Call.java:2443) org.apache.axis.client.Call.invoke(Call.java:2366) org.apache.axis.client.Call.invoke(Call.java:1812) subCriptApp.MoReceive.showForm(MoReceive.java:64) org.springframework.web.servlet.mvc.AbstractFormController.showNewForm(AbstractFormController.java:306) org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:248) org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:128) org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:44) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:684) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:625) org.springframework.web.servlet.FrameworkServlet.serviceWrapper(FrameworkServlet.java:386) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:346) javax.servlet.http.HttpServlet.service(HttpServlet.java:690) javax.servlet.http.HttpServlet.service(HttpServlet.java:803)