ConnectionFactory cf = (ConnectionFactory) ictx.lookup("cf");
ictx.close();
Connection cnx = cf.createConnection();
Session sess = cnx.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = sess.createProducer(null);
Message msg = sess.createMessage();
msg.setStringProperty("expiration", "0");
msg.setStringProperty("persistent", "true");
msg.setStringProperty("acquisition.period", "30000");