receiving messages, transacted and with auto-acknowledge-mode*/
s_rec = qc.createQueueSession(true, Session.AUTO_ACKNOWLEDGE);
/* start the connection */
qc.start();
/* Create some receivers, each with a different selector */
QueueReceiver qr_plain = s_rec.createReceiver(q);
QueueReceiver qr_aaa = s_rec.createReceiver(q, "myprop='aaa'");
QueueReceiver qr_bbb = s_rec.createReceiver(q, "myprop='bbb'");
/* Create a sender for sending messages */
QueueSender qsender = s_send.createSender(q);
/* send messages with priority */