/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.activemq.bugs;
import static org.junit.Assert.assertEquals;
import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.MessageConsumer;
import javax.jms.Session;
import javax.jms.Topic;
import javax.management.ObjectName;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.jmx.BrokerView;
import org.apache.activemq.broker.jmx.DurableSubscriptionViewMBean;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AMQ3992Test {
private static final transient Logger LOG = LoggerFactory.getLogger(AMQ3992Test.class);
private static BrokerService brokerService;
private static String BROKER_ADDRESS = "tcp://localhost:0";
private String connectionUri;
@Before
public void setUp() throws Exception {
brokerService = new BrokerService();
brokerService.setPersistent(false);
brokerService.setUseJmx(true);
brokerService.setDeleteAllMessagesOnStartup(true);
connectionUri = brokerService.addConnector(BROKER_ADDRESS).getPublishableConnectString();
brokerService.start();
brokerService.waitUntilStarted();
}
@After
public void tearDown() throws Exception {
brokerService.stop();
brokerService.waitUntilStopped();
}
@Test
public void testDurableConsumerEnqueueCountWithZeroPrefetch() throws Exception {
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(connectionUri);
connectionFactory.getPrefetchPolicy().setAll(0);
Connection connection = connectionFactory.createConnection();
connection.setClientID(getClass().getName());
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Destination destination = session.createTopic("DurableTopic");
MessageConsumer consumer = session.createDurableSubscriber((Topic) destination, "EnqueueSub");
BrokerView view = brokerService.getAdminView();
view.getDurableTopicSubscribers();
ObjectName subName = view.getDurableTopicSubscribers()[0];
DurableSubscriptionViewMBean sub = (DurableSubscriptionViewMBean)
brokerService.getManagementContext().newProxyInstance(subName, DurableSubscriptionViewMBean.class, true);
assertEquals(0, sub.getEnqueueCounter());
LOG.info("Enqueue counter for sub before pull requests: " + sub.getEnqueueCounter());
// Trigger some pull Timeouts.
consumer.receive(500);
consumer.receive(500);
consumer.receive(500);
consumer.receive(500);
consumer.receive(500);
// Let them all timeout.
Thread.sleep(600);
LOG.info("Enqueue counter for sub after pull requests: " + sub.getEnqueueCounter());
assertEquals(0, sub.getEnqueueCounter());
consumer.close();
session.close();
connection.close();
}
}