|
ActiveMQ example source code file (AMQ2571Test.java)
The ActiveMQ AMQ2571Test.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.bugs; import javax.jms.Connection; import javax.jms.DeliveryMode; import javax.jms.JMSException; import javax.jms.MessageProducer; import javax.jms.Session; import javax.jms.TemporaryQueue; import javax.jms.TextMessage; import org.apache.activemq.ActiveMQConnectionFactory; import org.apache.activemq.EmbeddedBrokerTestSupport; import org.apache.activemq.broker.BrokerService; public class AMQ2571Test extends EmbeddedBrokerTestSupport { public void testTempQueueClosing() { try { ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(this.bindAddress); // First create session that will own the TempQueue Connection connectionA = connectionFactory.createConnection(); connectionA.start(); Session sessionA = connectionA.createSession(false, Session.AUTO_ACKNOWLEDGE); TemporaryQueue tempQueue = sessionA.createTemporaryQueue(); // Next, create session that will put messages on the queue. Connection connectionB = connectionFactory.createConnection(); connectionB.start(); Session sessionB = connectionB.createSession(false, Session.AUTO_ACKNOWLEDGE); // Create a producer for connection B. final MessageProducer producerB = sessionB.createProducer(tempQueue); producerB.setDeliveryMode(DeliveryMode.NON_PERSISTENT); final TextMessage message = sessionB.createTextMessage("Testing AMQ TempQueue."); Thread sendingThread = new Thread(new Runnable() { public void run() { try { for (int i = 0; i < 100000; i++) { producerB.send(message); } } catch (JMSException e) { // We don't get this exception every time. // Not getting it means that we don't know if the // creator of the TempQueue has disconnected. } } }); // Send 5000 messages. sendingThread.start(); // Now close connection A. This will remove the TempQueue. connectionA.close(); // Wait for the thread to finish. sendingThread.join(); // Sleep for a while to make sure that we should know that the // TempQueue is gone. //Thread.sleep(50); // Now we test if we are able to send again. try { producerB.send(message); fail("Involuntary recreated temporary queue."); } catch (JMSException e) { // Got exception, just as we wanted because the creator of // the TempQueue had closed the connection prior to the send. assertTrue("TempQueue does not exist anymore.", true); } } catch (Exception e) { fail("Unexpected exception " + e); } } @Override protected void setUp() throws Exception { bindAddress = "vm://localhost"; super.setUp(); } @Override protected BrokerService createBroker() throws Exception { BrokerService answer = new BrokerService(); answer.setPersistent(false); answer.setUseJmx(false); answer.addConnector(bindAddress); return answer; } } Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ AMQ2571Test.java source code file: |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.