conn2 = cf.createConnection();
Session sess2 = conn2.createSession(false, Session.AUTO_ACKNOWLEDGE);
assertEquals(Session.AUTO_ACKNOWLEDGE, sess2.getAcknowledgeMode());
MessageConsumer consumer2 = sess2.createConsumer(topic, null, true);
// we need different session because we cannot access the same session from different
// threads
Session sess3 = conn2.createSession(false, Session.AUTO_ACKNOWLEDGE);
assertEquals(Session.AUTO_ACKNOWLEDGE, sess3.getAcknowledgeMode());