コード例 #1
0
  @Test
  public void testManualFailover() throws Exception {
    HornetQConnectionFactory jbcfLive =
        HornetQJMSClient.createConnectionFactoryWithoutHA(
            JMSFactoryType.CF, new TransportConfiguration(INVM_CONNECTOR_FACTORY));

    jbcfLive.setBlockOnNonDurableSend(true);
    jbcfLive.setBlockOnDurableSend(true);

    HornetQConnectionFactory jbcfBackup =
        HornetQJMSClient.createConnectionFactoryWithoutHA(
            JMSFactoryType.CF, new TransportConfiguration(INVM_CONNECTOR_FACTORY, backupParams));
    jbcfBackup.setBlockOnNonDurableSend(true);
    jbcfBackup.setBlockOnDurableSend(true);
    jbcfBackup.setInitialConnectAttempts(-1);
    jbcfBackup.setReconnectAttempts(-1);

    HornetQConnection connLive = (HornetQConnection) jbcfLive.createConnection();

    MyFailoverListener listener = new MyFailoverListener();

    connLive.setFailoverListener(listener);

    Session sessLive = connLive.createSession(false, Session.AUTO_ACKNOWLEDGE);

    ClientSession coreSessionLive = ((HornetQSession) sessLive).getCoreSession();

    SimpleString jmsQueueName =
        new SimpleString(HornetQDestination.JMS_QUEUE_ADDRESS_PREFIX + "myqueue");

    coreSessionLive.createQueue(jmsQueueName, jmsQueueName, null, true);

    Queue queue = sessLive.createQueue("myqueue");

    final int numMessages = 1000;

    MessageProducer producerLive = sessLive.createProducer(queue);

    for (int i = 0; i < numMessages; i++) {
      TextMessage tm = sessLive.createTextMessage("message" + i);

      producerLive.send(tm);
    }

    // Note we block on P send to make sure all messages get to server before failover

    JMSUtil.crash(liveService, coreSessionLive);
    Assert.assertEquals(FailoverEventType.FAILURE_DETECTED, listener.getEventTypeList().get(0));
    connLive.close();

    // Now recreate on backup

    Connection connBackup = jbcfBackup.createConnection();

    Session sessBackup = connBackup.createSession(false, Session.AUTO_ACKNOWLEDGE);

    MessageConsumer consumerBackup = sessBackup.createConsumer(queue);

    connBackup.start();

    for (int i = 0; i < numMessages; i++) {
      TextMessage tm = (TextMessage) consumerBackup.receive(1000);

      Assert.assertNotNull(tm);

      Assert.assertEquals("message" + i, tm.getText());
    }

    TextMessage tm = (TextMessage) consumerBackup.receiveNoWait();
    Assert.assertEquals(FailoverEventType.FAILOVER_FAILED, listener.getEventTypeList().get(1));
    Assert.assertEquals(
        "Expected 2 FailoverEvents to be triggered", 2, listener.getEventTypeList().size());
    Assert.assertNull(tm);

    connBackup.close();
  }
コード例 #2
0
  @Test
  public void testAutomaticFailover() throws Exception {
    HornetQConnectionFactory jbcf =
        HornetQJMSClient.createConnectionFactoryWithHA(JMSFactoryType.CF, livetc);
    jbcf.setReconnectAttempts(-1);
    jbcf.setBlockOnDurableSend(true);
    jbcf.setBlockOnNonDurableSend(true);

    // Note we set consumer window size to a value so we can verify that consumer credit re-sending
    // works properly on failover
    // The value is small enough that credits will have to be resent several time

    final int numMessages = 10;

    final int bodySize = 1000;

    jbcf.setConsumerWindowSize(numMessages * bodySize / 10);

    HornetQConnection conn = JMSUtil.createConnectionAndWaitForTopology(jbcf, 2, 5);

    MyFailoverListener listener = new MyFailoverListener();

    conn.setFailoverListener(listener);

    Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);

    ClientSession coreSession = ((HornetQSession) sess).getCoreSession();

    SimpleString jmsQueueName =
        new SimpleString(HornetQDestination.JMS_QUEUE_ADDRESS_PREFIX + "myqueue");

    coreSession.createQueue(jmsQueueName, jmsQueueName, null, true);

    Queue queue = sess.createQueue("myqueue");

    MessageProducer producer = sess.createProducer(queue);

    producer.setDeliveryMode(DeliveryMode.PERSISTENT);

    MessageConsumer consumer = sess.createConsumer(queue);

    byte[] body = RandomUtil.randomBytes(bodySize);

    for (int i = 0; i < numMessages; i++) {
      BytesMessage bm = sess.createBytesMessage();

      bm.writeBytes(body);

      producer.send(bm);
    }

    conn.start();

    JMSFailoverListenerTest.log.info("sent messages and started connection");

    Thread.sleep(2000);

    JMSUtil.crash(liveService, ((HornetQSession) sess).getCoreSession());

    Assert.assertEquals(FailoverEventType.FAILURE_DETECTED, listener.getEventTypeList().get(0));
    for (int i = 0; i < numMessages; i++) {
      JMSFailoverListenerTest.log.info("got message " + i);

      BytesMessage bm = (BytesMessage) consumer.receive(1000);

      Assert.assertNotNull(bm);

      Assert.assertEquals(body.length, bm.getBodyLength());
    }

    TextMessage tm = (TextMessage) consumer.receiveNoWait();

    Assert.assertNull(tm);
    Assert.assertEquals(FailoverEventType.FAILOVER_COMPLETED, listener.getEventTypeList().get(1));

    conn.close();
    Assert.assertEquals(
        "Expected 2 FailoverEvents to be triggered", 2, listener.getEventTypeList().size());
  }