[jboss-user] [EJB 3.0] - Re: ClassCastException in Stateful Session-Bean

[te-bachi]

Ahh... ok! Remote Interface don't work, but Local Interface does!


  | import org.jboss.tutorial.stateful.bean.ShoppingCart;
  | 
  | import javax.servlet.http.HttpServlet;
  | import javax.servlet.http.HttpServletRequest;
  | import javax.servlet.http.HttpServletResponse;
  | import javax.servlet.ServletException;
  | import javax.naming.InitialContext;
  | import javax.naming.NamingException;
  | import java.io.IOException;
  | import java.io.PrintWriter;
  | import java.util.HashMap;
  | 
  | public class TestServlet extends HttpServlet {
  | 
  |     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  |         process(request, response);
  |     }
  | 
  |     protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  |         process(request, response);
  |     }
  | 
  |     private void process(HttpServletRequest request, HttpServletResponse response) throws IOException {
  |         PrintWriter out = response.getWriter();
  | 
  |         try {
  |             InitialContext ctx = new InitialContext();
  |             ShoppingCart shoppingCart = (ShoppingCart) ctx.lookup("MyApplication/ShoppingCartBean/local");
  |             out.println("Buying 1 memory stick");
  |             shoppingCart.buy("Memory stick", 1);
  |             out.println("Buying another memory stick");
  |             shoppingCart.buy("Memory stick", 1);
  | 
  |             out.println("Buying a laptop");
  |             shoppingCart.buy("Laptop", 1);
  | 
  |             out.println("Print cart:");
  |             HashMap<String, Integer> fullCart = shoppingCart.getCartContents();
  |             for (String product : fullCart.keySet()) {
  |                 out.println(fullCart.get(product) + "     " + product);
  |             }
  | 
  |             out.println("Checkout");
  |             shoppingCart.checkout();
  | 
  |             out.println("Should throw an object not found exception by invoking on cart after @Remove method");
  |             try {
  |                 shoppingCart.getCartContents();
  |             }
  |             catch (Exception e) {
  |                 out.println("Successfully caught no such object exception.");
  |             }
  |         } catch (NamingException e) {
  |             out.println("Exception: " + e.getMessage());
  |         }
  |     }
  | }
  | 

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