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ActiveMQ example source code file (VmTransportNetworkBrokerTest.java)
The ActiveMQ VmTransportNetworkBrokerTest.java source code/** * 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.transport.vm; import java.net.URI; import java.util.concurrent.CountDownLatch; import java.util.concurrent.TimeUnit; import javax.jms.Connection; import junit.framework.TestCase; import org.apache.activemq.ActiveMQConnectionFactory; import org.apache.activemq.broker.BrokerService; import org.apache.activemq.bugs.embedded.ThreadExplorer; import org.apache.activemq.network.NetworkConnector; import org.apache.activemq.thread.DefaultThreadPools; public class VmTransportNetworkBrokerTest extends TestCase { private static final String VM_BROKER_URI = "vm://localhost?create=false"; CountDownLatch started = new CountDownLatch(1); CountDownLatch gotConnection = new CountDownLatch(1); public void testNoThreadLeak() throws Exception { // with VMConnection and simple discovery network connector int originalThreadCount = Thread.activeCount(); BrokerService broker = new BrokerService(); broker.setDedicatedTaskRunner(true); broker.setPersistent(false); broker.addConnector("tcp://localhost:61616"); NetworkConnector networkConnector = broker.addNetworkConnector("static:(tcp://wrongHostname1:61617,tcp://wrongHostname2:61618)?useExponentialBackOff=false"); networkConnector.setDuplex(true); broker.start(); ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory(new URI(VM_BROKER_URI)); Connection connection = cf.createConnection("system", "manager"); connection.start(); // let it settle TimeUnit.SECONDS.sleep(5); int threadCountAfterStart = Thread.activeCount(); TimeUnit.SECONDS.sleep(30); int threadCountAfterSleep = Thread.activeCount(); assertTrue("Threads are leaking: " + ThreadExplorer.show("active sleep") + ", threadCount=" +threadCountAfterStart + " threadCountAfterSleep=" + threadCountAfterSleep, threadCountAfterSleep < threadCountAfterStart + 8); connection.close(); broker.stop(); broker.waitUntilStopped(); // testNoDanglingThreadsAfterStop with tcp transport broker = new BrokerService(); broker.setSchedulerSupport(true); broker.setDedicatedTaskRunner(true); broker.setPersistent(false); broker.addConnector("tcp://localhost:61616?wireFormat.maxInactivityDuration=1000&wireFormat.maxInactivityDurationInitalDelay=1000"); broker.start(); cf = new ActiveMQConnectionFactory("tcp://localhost:61616?wireFormat.maxInactivityDuration=1000&wireFormat.maxInactivityDurationInitalDelay=1000"); connection = cf.createConnection("system", "manager"); connection.start(); connection.close(); broker.stop(); broker.waitUntilStopped(); // must only be called when all brokers and connections are done! DefaultThreadPools.shutdown(); // let it settle TimeUnit.SECONDS.sleep(5); int threadCountAfterStop = Thread.activeCount(); assertTrue("Threads are leaking: " + ThreadExplorer.show("active after stop") + ". originalThreadCount=" + originalThreadCount + " threadCountAfterStop=" + threadCountAfterStop, threadCountAfterStop == originalThreadCount); } } Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ VmTransportNetworkBrokerTest.java source code file: |
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