During and after execution of the test below, activemq page in hawtio becomes unresponsive. @Before public void init() throws Exception{ conFactory= new ActiveMQConnectionFactory( "admin" , PASSWORD, String .format( "tcp: //%s:%s" , HOST, PORT)); conn = conFactory.createConnection(); session = conn.createSession( false ,Session.AUTO_ACKNOWLEDGE); conn.start(); } @Test public void manyQueueTest() throws JMSException { for ( int i = 0; i < 500; i++) { Destination queue=session.createQueue(TEST_QUEUE + i); MessageProducer producer=session.createProducer(queue); Message m=session.createTextMessage(TEST_MESSAGE+i); producer.send(session.createTextMessage( "i" )); producer.close(); } @After public void closeConnection() throws JMSException { session.close(); conn.close(); }