{
ConnectionFactory connFactory = lookup("ConnectionFactory", ConnectionFactory.class);
Connection conn = connFactory.createConnection();
conn.start();
Session session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
TemporaryQueue replyQueue = session.createTemporaryQueue();
TextMessage msg = session.createTextMessage("Hello world");
msg.setJMSDeliveryMode(DeliveryMode.NON_PERSISTENT);
msg.setJMSReplyTo(replyQueue);
Queue queue = lookup("queue/mdbtest", Queue.class);
MessageProducer producer = session.createProducer(queue);