How to run Web Service?

I have created following small web service (see below). I want to deploy it to JBoss Server but a WAR file is not created.

ERROR:
failed to parse runtime descriptor: runtime modeler error: Wrapper class example.jaxws.jaxws.GetRate is not found. Have you run APT to generate them?
com.sun.xml.ws.model.RuntimeModelerException: runtime modeler error: Wrapper class example.jaxws.jaxws.GetRate is not found. Have you run APT to generate them?
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By the way, what to put in web.xml and what to put in the sun..xml file? Should we not touch the web.xml? I cannot find any documentation / tutorial describing creating a web service in IntelliJ.

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package example.jaxws;

import java.util.HashMap;
import javax.jws.*;

@WebService
public class SalesTax {
private HashMap tax; public SalesTax() { init(); } public void init() { tax = new HashMap(); tax.put("CA", 7.75); tax.put("NH", 0.0); } @WebMethod public double getRate(String state) { Double rate = tax.get(state); if (rate == null) rate = -1.0; return rate; } } Web.XML: com.sun.xml.ws.transport.http.servlet.WSServletContextListener JAX-WS endpoint WSServlet WSServlet com.sun.xml.ws.transport.http.servlet.WSServlet 1 WSServlet /services/* sun-jaxws.xml: ]]>