[jboss-user] [JBoss Messaging] - problem in doProcess() method in a servlet that posts messag

Sun Oct 19 11:55:13 EDT 2008

My environment is: JBoss 5, Windows Vista.
I have written a servlet that will post messages to queue via a Session Bean Facade. Now this is the error the Netbeans IDE is giving me: The IDE (Netbeans is telling me the following:
incompatible types:
found: javax.jms.QueueSession.CreateProducer
required:javax.jms.MessageProducer

The error is right here on: messageProducer = session.createProducer(queue); in the processRequest(...) method.

Therefore this is what I have in the doProcess method in this servlet,

protected void processRequest(HttpServletRequest request, HttpServletResponse response)
  |     throws ServletException, IOException {
  |         response.setContentType("text/html;charset=UTF-8");
  |         String title=request.getParameter("title");
  |         String body=request.getParameter("body");
  | 
  |         if ((title!=null) && (body!=null)) {
  | 
  |             Queue queue = null;
  |             QueueConnection connection = null;
  |             QueueSession session = null;
  |             MessageProducer messageProducer = null;
  |             try {
  | 
  |                 InitialContext ctx = new InitialContext();
  |                 queue = (Queue) ctx.lookup("queue/mdb");
  |                 QueueConnectionFactory factory =
  |                         (QueueConnectionFactory) ctx.lookup("ConnectionFactory");
  |                 connection = factory.createQueueConnection();
  |                 session = connection.createQueueSession(false,QueueSession.AUTO_ACKNOWLEDGE);
  | 
  |                 messageProducer = session.createProducer(queue);
  | 
  |                 ObjectMessage message = session.createObjectMessage();
  |                 // here we create a Queueing Entity, that will be sent in JMS message
  |                 QueueingEntity e = new QueueingEntity();
  |                 e.setTitle(title);
  |                 e.setBody(body);
  | 
  |                 message.setObject(e);
  |                 messageProducer.send(message);
  |                 messageProducer.close();
  |                 connection.close();
  |                 response.sendRedirect("ListMessages");
  |                      
  |     } catch (JMSException ex) {
  |         ex.printStackTrace();
  |     } catch (NamingException ex) {
  |         ex.printStackTrace();
  |     }
  | 
  | }
  | 
  |         PrintWriter out = response.getWriter();
  |         try {
  |             /* TODO output your page here
  |             out.println("<html>");
  |             out.println("<head>");
  |             out.println("<title>Servlet ServletToPostMessagesOnDexSubmitQueue</title>");  
  |             out.println("</head>");
  |             out.println("<body>");
  |             out.println("<h1>Servlet ServletToPostMessagesOnDexSubmitQueue at " + request.getContextPath () + "</h1>");
  |             out.println("</body>");
  |             out.println("</html>");
  |             */
  |         } finally { 
  |             out.close();
  |         }
  |     } 

I am not able to figure this out, even though it looks like a simple Java problem.
Any suggestions are appreciated.

thanks

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