This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Yes, of course it is possible. This procedure is not specific to Eclipse. I usually use an Ant script to do the following:
1. Use wsgen to generate the WSDL file.
2. Copy the generated WSDL into the WEB-INF/wsdl directory of the web service project.
3. Add the wsdlLocation attribute to the @WebService annotation in your endpoint implementation class. The value of the wsdlLocation is to be the name of the WSDL file.