MQQueueConnectionFactory cf = new MQQueueConnectionFactory();
cf.setHostName("test_host");
cf.setPort( 1414 );
cf.setTransportType(JMSC.MQJMS_TP_CLIENT_MQ_TCPIP); 
cf.setQueueManager("test_qm");
cf.setChannel("test_channel");
cf.setCCSID( 1208 );
			  
MQQueueConnection connection = (MQQueueConnection) cf.createQueueConnection();
MQQueueSession session = (MQQueueSession) connection.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
MQQueue queue = (MQQueue) session.createQueue("test_queue");
MQQueueReceiver receiver = (MQQueueReceiver) session.createReceiver(queue);	  

connection.start();

JMSMessage receivedMessage = null;
int messageCount =  0 ;
receivedMessage = (JMSMessage) receiver.receiveNoWait();
if(receivedMessage instanceof TextMessage ) {
String msgText = ((TextMessage)receivedMessage).getText(); // вытащить xml
}