Unable to use WS inside J2EE component

[Hussein Baghdadi]

Hi all.
I am using J2EE 1.4 RI.
I want to access my web service using my JSP page using a static stubs.
I have added the web service to the JNDI ENC.
my files are :
SearchPersonWS.java
SearchPerson_Impl.java
wscompile tool generates the following :
SearchPersonService.class
SearchPersonService_Impl.class
SearchPersonWS.class
the code in the JSP page :

InitialContext jndiContext = new InitialContext();
SearchPersonService service = (SearchPersonService)jndiContext.lookup
("java:comp/env/service/SearchPersonService");
SearchPersonWS ws = service.getSearchPersonWSPort( );
out.write(ws.getPersonByNumber(1).getName( ));

running the JSP, I got :
IllegalArgumentException: object is not an instance of declaring class
(it is worth noting that my JSP is uses the classes generated by wscompile tool which are resides in sstub package, not in com package which contains my JSE, so this JSP page is import sstub package not com)
any help ??
thanks.
[ January 13, 2005: Message edited by: John Todd ]