Take care of  @WebService(endpointInterface="xxx") to avoid dependency between 
Implementation and Interface
-----------------------------------------------------------------------------------------------------------

                 Key: XFIRE-822
                 URL: http://jira.codehaus.org/browse/XFIRE-822
             Project: XFire
          Issue Type: Improvement
          Components: JAX-WS
    Affects Versions: 1.2.3
            Reporter: Henri Gomez
         Assigned To: Dan Diephouse


While working with XFire in JAX-WS/JAW-B fashion, I see a little problem :

here is my interface

...

package mycorp.soa.valor;

@WebService(name = "ValorService", targetNamespace="http://mycorp/valor";)
@SOAPBinding(style=SOAPBinding.Style.DOCUMENT, use=SOAPBinding.Use.LITERAL, 
parameterStyle=SOAPBinding.ParameterStyle.WRAPPED)
public interface ValorServiceIF

here is the implemantation 

package mycorp.soa.valor;

@WebService(endpointInterface="mycorp.soa.valor.ValorServiceIF")
public class ValorServiceImpl implements ValorServiceIF

I should make ValorServiceImpl implements ValorServiceIF even if I specify 
@WebService(endpointInterface="mycorp.soa.valor.ValorServiceIF").

If I ommit the implements ValorServiceIF, I got the following exception :

GRAVE: Fault occurred!
java.lang.IllegalArgumentException: object is not an instance of declaring class
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at 
org.codehaus.xfire.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:54)
        at 
org.codehaus.xfire.service.invoker.ObjectInvoker.invoke(ObjectInvoker.java:45)
        at 
org.codehaus.xfire.service.binding.ServiceInvocationHandler.sendMessage(ServiceInvocationHandler.java:271)
        at 
org.codehaus.xfire.service.binding.ServiceInvocationHandler$1.run(ServiceInvocationHandler.java:84)
        at 
org.codehaus.xfire.service.binding.ServiceInvocationHandler.execute(ServiceInvocationHandler.java:132)
        at 
org.codehaus.xfire.service.binding.ServiceInvocationHandler.invoke(ServiceInvocationHandler.java:107)
        at 
org.codehaus.xfire.handler.HandlerPipeline.invoke(HandlerPipeline.java:131)
        at 
org.codehaus.xfire.transport.DefaultEndpoint.onReceive(DefaultEndpoint.java:64)
        at 
org.codehaus.xfire.transport.AbstractChannel.receive(AbstractChannel.java:38)
        at 
org.codehaus.xfire.transport.http.XFireServletController.invoke(XFireServletController.java:301)
        at 
org.codehaus.xfire.transport.http.XFireServletController.doService(XFireServletController.java:130)
        at 
org.codehaus.xfire.transport.http.XFireServlet.doPost(XFireServlet.java:116)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
        at 
org.apache.catalina.valves.FastCommonAccessLogValve.invoke(FastCommonAccessLogValve.java:495)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
        at 
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:833)
        at 
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:639)
        at 
org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1285)
        at java.lang.Thread.run(Thread.java:595)



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