Session producerSess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = producerSess.createProducer(queue);
Session consumerSess = conn.createSession(false, Session.DUPS_OK_ACKNOWLEDGE);
MessageConsumer consumer = consumerSess.createConsumer(queue);
conn.start();
//Send some messages
for (int i = 0; i < 19; i++)
{
Message m = producerSess.createMessage();