How to integrate DWR and JAVA Webservice?

This is S.korea! so sorry for my poor English :-P
I'm developing java Web service and my client is Ajax system.My toolkit for Ajax is DWR.
But I don't know how to integrated DWR and Java Web service!
Function invocation in web service is synchronous. Is it correct?
I want to know how to invoke asynchronous fuction in web sercvice with DWR.
Please inform me any referrence.

"integeration" is a bit of an open ended description. You can share a request between a servlet and a JSP using a forward. Check out the RequestDispatcher class, it can perform a forward for you from within a servlet.
http://java.sun.com/j2ee/1.4/docs/api/javax/servlet/RequestDispatcher.html

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