This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
Just an update. I have tried "XMLElement(type="OrderLineItems.class") of JAXB2 on my variables in order class but somehow when the wsdl gets generated it doesn't makes any difference. and its still list.