AMQConnection con2 = (AMQConnection) getConnection("guest", "guest");
Session producerSession = con2.createSession(false, Session.CLIENT_ACKNOWLEDGE);
MessageProducer producer = producerSession.createProducer(queue);
_logger.info("Sending four messages");
producer.send(producerSession.createTextMessage("msg1"));
producer.send(producerSession.createTextMessage("msg2"));
producer.send(producerSession.createTextMessage("msg3"));
producer.send(producerSession.createTextMessage("msg4"));
con2.close();