Webservice Serializing/Deserializing WOStringKeyMap fails

Hey everyone,

I try to create a webservice with one input parameter of type   
WOStringKeyMap.
WOStringKeyMap has a serializer and a deserializer class !   However  
exchanging the hash through webservices is not working in Webobjects!

Has anyone experienced this too? Does anyone have a workaround ?



SERVICE
========

WOWebServiceRegistrar.registerWebService(Service.class, true);

//Class Service.java
import com.webobjects.webservices.support.xml.WOStringKeyMap;


public class Service {

	public String doitnow(WOStringKeyMap w)
	{
		return "OK DUDE";
	}

}


CLIENT
======

         try {
             URL url = new URL("http://localhost:8838/cgi-bin/ 
WebObjects/HService.woa/ws/Service?wsdl");

			WOWebServiceClient caller = new WOWebServiceClient(url);
			
			WOStringKeyMap w = new WOStringKeyMap();
			w.takeValueForKey("now","time");
			w.takeValueForKey("30 m", "size");
			Object [] o = new Object [] {w};
			Object result = caller.invoke("Service","doitnow", o);
		}
         catch (Exception e) {
			e.printStackTrace();
         }

which generates an exception

com.webobjects.foundation.NSForwardException for  
javax.xml.rpc.ServiceException: Error processing WSDL document:
java.io.IOException: Type {http://schemas.xmlsoap.org/soap/encoding/} 
Struct is referenced but not defined.
	at org.apache.axis.client.Service.initService(Service.java:278)
	at org.apache.axis.client.Service.<init>(Service.java:193)
	at org.apache.axis.client.ServiceFactory.createService 
(ServiceFactory.java:232)
	at com.webobjects.webservices.client.WOWebService.axisService 
(WOWebService.java:185)
	at  
com.webobjects.webservices.client.WOWebService.createCallForOperation 
(WOWebService.java:235)
	at com.webobjects.webservices.client.WOWebServiceClient.invoke 
(WOWebServiceClient.java:482)
	at Session.<init>(Session.java:32)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native  
Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance 
(NativeConstructorAccessorImpl.java:39)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance 
(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
	at java.lang.Class.newInstance0(Class.java:350)
	at java.lang.Class.newInstance(Class.java:303)
	at com.webobjects.foundation._NSUtilities.instantiateObject 
(_NSUtilities.java:577)
	at com.webobjects.appserver.WOApplication.createSessionForRequest 
(WOApplication.java:1611)
	at com.webobjects.appserver.WOApplication._initializeSessionInContext 
(WOApplication.java:1752)
	at  
com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit 
hPreparedApplication(WOComponentRequestHandler.java:309)
	at  
com.webobjects.appserver._private.WOComponentRequestHandler._handleReque 
st(WOComponentRequestHandler.java:358)
	at  
com.webobjects.appserver._private.WOComponentRequestHandler.handleReques 
t(WOComponentRequestHandler.java:432)
	at com.webobjects.appserver.WOApplication.dispatchRequest 
(WOApplication.java:1306)
	at com.webobjects.appserver._private.WOWorkerThread.runOnce 
(WOWorkerThread.java:173)
	at com.webobjects.appserver._private.WOWorkerThread.run 
(WOWorkerThread.java:254)
	at java.lang.Thread.run(Thread.java:613)



======================================================================== 
==============================
Another example where webobjects messes up:
type in a terminal to generate stubs for a service:

# java org.apache.axis.wsdl.WSDL2Java "http://localhost:8838/cgi-bin/ 
WebObjects/HService.woa/ws/Service?wsdl"


java.io.IOException: Type {http://schemas.xmlsoap.org/soap/encoding/} 
Struct is referenced but not defined.
         at  
org.apache.axis.wsdl.symbolTable.SymbolTable.checkForUndefined 
(SymbolTable.java:522)
         at org.apache.axis.wsdl.symbolTable.SymbolTable.add 
(SymbolTable.java:422)
         at org.apache.axis.wsdl.symbolTable.SymbolTable.populate 
(SymbolTable.java:408)
         at org.apache.axis.wsdl.symbolTable.SymbolTable.populate 
(SymbolTable.java:393)
         at org.apache.axis.wsdl.gen.Parser$WSDLRunnable.run 
(Parser.java:245)
         at java.lang.Thread.run(Thread.java:613)



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