| /** |
| * 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.broker.virtual; |
| |
| import org.apache.activemq.ActiveMQConnection; |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.activemq.ActiveMQPrefetchPolicy; |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.command.ActiveMQQueue; |
| import org.apache.activemq.command.DestinationInfo; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.jms.Connection; |
| import javax.jms.ConnectionFactory; |
| import javax.jms.MessageConsumer; |
| import javax.jms.Session; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| public class AMQ7088Test { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(AMQ7088Test.class); |
| |
| BrokerService brokerService; |
| ConnectionFactory connectionFactory; |
| |
| @Before |
| public void createBroker() throws Exception { |
| createBroker(true); |
| } |
| |
| public void createBroker(boolean delete) throws Exception { |
| brokerService = new BrokerService(); |
| brokerService.setDeleteAllMessagesOnStartup(delete); |
| brokerService.setAdvisorySupport(false); |
| brokerService.addConnector("tcp://localhost:0"); |
| brokerService.start(); |
| |
| ActiveMQConnectionFactory activeMQConnectionFactory = new ActiveMQConnectionFactory(brokerService.getTransportConnectorByScheme("tcp").getPublishableConnectString()); |
| ActiveMQPrefetchPolicy zeroPrefetch = new ActiveMQPrefetchPolicy(); |
| zeroPrefetch.setAll(0); |
| activeMQConnectionFactory.setPrefetchPolicy(zeroPrefetch); |
| activeMQConnectionFactory.setWatchTopicAdvisories(false); |
| connectionFactory = activeMQConnectionFactory; |
| } |
| |
| @After |
| public void stopBroker() throws Exception { |
| brokerService.stop(); |
| } |
| |
| @Test |
| public void testDeadlockOnAddRemoveDest() throws Exception { |
| |
| final int numConnections = 100; |
| final AtomicInteger numConsumers = new AtomicInteger(numConnections); |
| |
| ExecutorService executorService = Executors.newFixedThreadPool(numConnections); |
| |
| Runnable runnable = new Runnable() { |
| @Override |
| public void run() { |
| |
| try { |
| do { |
| int i = numConsumers.decrementAndGet(); |
| if (i >= 0) { |
| |
| Connection connection1 = connectionFactory.createConnection(); |
| connection1.start(); |
| |
| Session session = connection1.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| |
| |
| ActiveMQQueue queue = new ActiveMQQueue("Consumer." + i + ".VirtualTopic.TEST.*"); |
| MessageConsumer messageConsumer = session.createConsumer(queue); |
| |
| messageConsumer.close(); |
| |
| ActiveMQConnection activeMQConnection = (ActiveMQConnection) connection1; |
| DestinationInfo remove = new DestinationInfo(); |
| remove.setConnectionId(activeMQConnection.getConnectionInfo().getConnectionId()); |
| remove.setDestination(queue); |
| remove.setOperationType(DestinationInfo.REMOVE_OPERATION_TYPE); |
| |
| activeMQConnection.getTransport().request(remove); |
| |
| connection1.close(); |
| } |
| |
| } while (numConsumers.get() > 0); |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| }; |
| |
| for (int i = 0; i < numConnections; i++) { |
| executorService.execute(runnable); |
| } |
| |
| LOG.info("Letting it run to completion..."); |
| executorService.shutdown(); |
| assertTrue("all done", executorService.awaitTermination(5, TimeUnit.MINUTES)); |
| } |
| } |