| /** |
| * 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.usecases; |
| |
| |
| import java.lang.management.ManagementFactory; |
| import java.lang.management.ThreadInfo; |
| import java.lang.management.ThreadMXBean; |
| import java.util.Vector; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.TimeUnit; |
| import javax.jms.Connection; |
| import javax.jms.ConnectionFactory; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageProducer; |
| import javax.jms.Session; |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.command.ActiveMQQueue; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class ConcurrentDestinationCreationTest extends org.apache.activemq.TestSupport { |
| private static final Logger LOG = LoggerFactory.getLogger(ConcurrentDestinationCreationTest.class); |
| BrokerService broker; |
| |
| @Override |
| protected void setUp() throws Exception { |
| broker = createBroker(); |
| super.setUp(); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| broker.stop(); |
| } |
| |
| protected ActiveMQConnectionFactory createConnectionFactory() throws Exception { |
| return new ActiveMQConnectionFactory(broker.getTransportConnectors().get(0).getPublishableConnectString() + "?jms.watchTopicAdvisories=false&jms.closeTimeout=35000"); |
| } |
| |
| BrokerService createBroker() throws Exception { |
| BrokerService service = new BrokerService(); |
| service.setDeleteAllMessagesOnStartup(true); |
| service.setAdvisorySupport(false); |
| service.setTransportConnectorURIs(new String[]{"tcp://localhost:0"}); |
| service.setPersistent(false); |
| service.setUseJmx(false); |
| service.start(); |
| return service; |
| } |
| |
| public void testSendRateWithActivatingConsumers() throws Exception { |
| |
| final Vector<Throwable> exceptions = new Vector<Throwable>(); |
| final int jobs = 50; |
| final int destinationCount = 10; |
| final CountDownLatch allDone = new CountDownLatch(jobs); |
| ExecutorService executor = java.util.concurrent.Executors.newCachedThreadPool(); |
| for (int i = 0; i < jobs; i++) { |
| if (i %2 == 0 && i<jobs/2) { |
| executor.execute(new Runnable() { |
| final ConnectionFactory factory = createConnectionFactory(); |
| |
| @Override |
| public void run() { |
| try { |
| final Connection connection = factory.createConnection(); |
| connection.start(); |
| final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| |
| for (int j = 0; j< jobs*10; j++) { |
| final MessageProducer producer = session.createProducer(new ActiveMQQueue("Q." + (j%destinationCount))); |
| producer.send(session.createMessage()); |
| } |
| connection.close(); |
| allDone.countDown(); |
| LOG.info("Producers done!"); |
| } catch (Exception ignored) { |
| LOG.error("unexpected ", ignored); |
| exceptions.add(ignored); |
| } |
| } |
| }); |
| } else { |
| |
| executor.execute(new Runnable() { |
| final ConnectionFactory factory = createConnectionFactory(); |
| |
| @Override |
| public void run() { |
| try { |
| final Connection connection = factory.createConnection(); |
| connection.start(); |
| final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| for (int j = 0; j < jobs; j++) { |
| final MessageConsumer consumer = session.createConsumer(new ActiveMQQueue("Q.>")); |
| consumer.receiveNoWait(); |
| } |
| connection.close(); |
| allDone.countDown(); |
| LOG.info("Consumers done!"); |
| } catch (Exception ignored) { |
| LOG.error("unexpected ", ignored); |
| exceptions.add(ignored); |
| } |
| } |
| }); |
| } |
| } |
| LOG.info("Waiting for completion"); |
| executor.shutdown(); |
| boolean success = allDone.await(30, TimeUnit.SECONDS); |
| if (!success) { |
| dumpAllThreads("hung"); |
| |
| ThreadMXBean bean = ManagementFactory.getThreadMXBean(); |
| LOG.info("Supports dead lock detection: " + bean.isSynchronizerUsageSupported()); |
| long[] threadIds = bean.findDeadlockedThreads(); |
| if (threadIds != null) { |
| System.err.println("Dead locked threads...."); |
| ThreadInfo[] infos = bean.getThreadInfo(threadIds); |
| |
| for (ThreadInfo info : infos) { |
| StackTraceElement[] stack = info.getStackTrace(); |
| System.err.println(" " + info + ", stack size::" + stack.length); |
| for (StackTraceElement stackEntry : stack) { |
| System.err.println(" " + stackEntry); |
| } |
| } |
| } |
| } |
| assertTrue("Finished on time", success); |
| assertTrue("No unexpected exceptions", exceptions.isEmpty()); |
| } |
| } |