hi I am exposing my EJB3 components as web services. WSDL document is generated correctly. But when my client application tries to access the webservice it throws the following exception, Caused by: org.jboss.ws.WSException: Cannot obtain java type mapping for: {http://wb1-329:8080}validateUser at org.jboss.ws.deployment.JSR109MetaDataBuilder.buildParameterMetaDataDoc(JSR109MetaDataBuilder.java:451) at org.jboss.ws.deployment.JSR109MetaDataBuilder.setupOperationsFromWSDL(JSR109MetaDataBuilder.java:200) at org.jboss.ws.deployment.JSR109ClientMetaDataBuilder.buildMetaDataInternal(JSR109ClientMetaDataBuilder.java:208) at org.jboss.ws.deployment.JSR109ClientMetaDataBuilder.buildMetaData(JSR109ClientMetaDataBuilder.java:126) at org.jboss.ws.deployment.JSR109ClientMetaDataBuilder.buildMetaData(JSR109ClientMetaDataBuilder.java:82) at org.jboss.ws.jaxrpc.ServiceImpl.(ServiceImpl.java:96) at org.jboss.ws.jaxrpc.ServiceFactoryImpl.createService(ServiceFactoryImpl.java:157) at org.jboss.ws.jaxrpc.ServiceFactoryImpl.createService(ServiceFactoryImpl.java:128) at client.UserBean.loginUser(UserBean.java:90) 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 com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:126) please help me in resolving this error View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4057241#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...