MessageConsumer consumer = ssn.createConsumer(queue);
// This is to ensure we get the first client to prefetch.
Message msg = consumer.receive(1000);
assertNotNull("The first consumer should get one message",msg);
con.stop();
Connection con2 = getConnection();
con2.start();
Session ssn2 = con2.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageConsumer consumer2 = ssn2.createConsumer(queue);