This discussion is something like 3yrs old... which error? what jbossws version are you using? did you try with something more recent?
For instance, you might simply not have jbossws-client.jar because starting from jbossws 3, that's been replaced by jbossws-native-client.jar / jbossws-cxf-client.jar / jbossws-metro-client.jar.