topic = (Topic) initialContext.lookup("topic/topicBrowseRegions");
topic = (Topic) initialContext.lookup(Config.PrefixTopicName+"topicBrowseRegions");
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException  {    String html;    sp = new ServletPrinter(response, "BrowseRegions");    sp.printHTMLheader("RUBiS: Available regions");     Context initialContext = null;    try    {      initialContext = new InitialContext();    }     catch (Exception e)     {      sp.printHTML("Cannot get initial context for JNDI: " +e+"<br>");      return ;    }    TopicConnectionFactory topicFactory = null;    TopicConnection connection = null;    TopicSession session  = null;    Topic topic = null;    try     {      // lookup the connection factory      topicFactory = (TopicConnectionFactory)initialContext.lookup(Config.TopicConnectionFactoryName);      // create a connection to the JMS provider      connection = topicFactory.createTopicConnection();      // lookup the destination      topic = (Topic) initialContext.lookup("topic/topicBrowseRegions");      // create a session      session  = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE); // no transaction and auto ack    }     catch (Exception e)    {      sp.printHTML("Cannot connect to message bean MDB_BrowseRegions : " +e+"<br>");      return ;    }    try     {      // create a requestor to receive the reply      TopicRequestor requestor = new TopicRequestor(session, topic);      // create a message      TextMessage message = session.createTextMessage();      message.setText("pouet");      message.setJMSCorrelationID("region");      // send the message and receive the reply      connection.start(); // allows message to be delivered (default is connection stopped)      TextMessage reply = (TextMessage)requestor.request(message);      connection.stop();      // read the reply      html = reply.getText();      // close connection and session      requestor.close(); // also close the session      connection.close();    }     catch (Exception e)    {      sp.printHTML("Error contacting the message bean: " +e+"<br>");      return ;    }    try     {      if (html.equals(""))        sp.printHTML("<h2>Sorry, but there is no region available at this time. Database table is empty</h2><br>");      else      {        sp.printHTML("<h2>Currently available regions</h2><br>");        sp.printHTML(html);      }    }     catch (Exception e)    {      sp.printHTML("Cannot get the list of regions: " +e+"<br>");      return ;    }    sp.printHTMLfooter();  }