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Updated test case to show that it fails with even the default prefetch size. 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@678865 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hiram R. Chirino 2008-07-22 19:21:43 +00:00
parent e027f8ff29
commit 2a77d4ceab
1 changed files with 22 additions and 23 deletions
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45
activemq-core/src/test/java/org/apache/activemq/bugs/AMQ1866.java
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@ -16,25 +16,20 @@
*/
package org.apache.activemq.bugs;
import junit.framework.TestCase;
import java.util.ArrayList;
import java.util.Random;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import junit.framework.TestCase;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.ActiveMQPrefetchPolicy;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@ -43,8 +38,8 @@ import org.apache.commons.logging.LogFactory;
* This is a test case for the issue reported at:
* https://issues.apache.org/activemq/browse/AMQ-1866
*
* If you have a JMS producer sending messages to multiple consumers and
* you have a low prefetch, eventually all consumers will run as slow as
* If you have a JMS producer sending messages to multiple fast consumers and
* one slow consumer, eventually all consumers will run as slow as
* the slowest consumer.
*/
public class AMQ1866 extends TestCase {
@ -55,9 +50,9 @@ public class AMQ1866 extends TestCase {
String ACTIVEMQ_BROKER_BIND = "tcp://localhost:61616";
String ACTIVEMQ_BROKER_URI = "tcp://localhost:61616";
String REQUEST_QUEUE = "provider.queue";
AtomicBoolean shutdown = new AtomicBoolean();
private ActiveMQQueue destination;
@Override
protected void setUp() throws Exception {
@ -65,6 +60,7 @@ public class AMQ1866 extends TestCase {
brokerService = new BrokerService();
brokerService.addConnector(ACTIVEMQ_BROKER_BIND);
brokerService.start();
destination = new ActiveMQQueue(getName());
}
@Override
@ -96,15 +92,21 @@ public class AMQ1866 extends TestCase {
}
public void doTestConsumerSlowDown() throws InterruptedException {
ConsumerThread c1 = new ConsumerThread("Consumer-1");
ConsumerThread c2 = new ConsumerThread("Consumer-2");
ProducerThread p1 = new ProducerThread("Producer-1");
threads.add(c1);
threads.add(c2);
threads.add(p1);
c1.start();
c2.start();
p1.start();
// Wait a bit before starting the consumers to load up the queues a bit..
// If the queue is loaded up it seems that the even the Default Prefetch size case fails.
Thread.sleep(10000);
ConsumerThread c1 = new ConsumerThread("Consumer-1");
threads.add(c1);
c1.start();
ConsumerThread c2 = new ConsumerThread("Consumer-2");
threads.add(c2);
c2.start();
for ( int i=0; i < 30; i++) {
Thread.sleep(1000);
@ -114,7 +116,7 @@ public class AMQ1866 extends TestCase {
System.out.println("p1: "+p1Counter+", c1: "+c1Counter+", c2: "+c2Counter);
// Once message have been flowing for a few seconds, start asserting that c2 always gets messages. It should be receiving about 100 / sec
if( i > 2 ) {
if( i > 3 ) {
assertTrue("Consumer 2 should be receiving new messages every second.", c2Counter > 0);
}
}
@ -134,19 +136,18 @@ public class AMQ1866 extends TestCase {
ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(ACTIVEMQ_BROKER_URI);
factory.setDispatchAsync(true);
Destination requestDestination = new ActiveMQQueue(REQUEST_QUEUE);
connection = factory.createConnection();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(requestDestination);
MessageProducer producer = session.createProducer(destination);
connection.start();
int i = 0;
while (!shutdown.get()) {
producer.send(session.createTextMessage(getName()+" Message "+(++i)));
counter.incrementAndGet();
Thread.sleep(10);
Thread.sleep(1);
}
} catch (Exception e) {
@ -175,15 +176,13 @@ public class AMQ1866 extends TestCase {
ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(ACTIVEMQ_BROKER_URI);
factory.setDispatchAsync(true);
Destination requestDestination = new ActiveMQQueue(REQUEST_QUEUE);
connection = factory.createConnection();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageConsumer consumer = session.createConsumer(requestDestination);
MessageConsumer consumer = session.createConsumer(destination);
connection.start();
int i = 0;
while (!shutdown.get()) {
TextMessage msg = (TextMessage)consumer.receive(1000);
if ( msg!=null ) {
@ -191,7 +190,7 @@ public class AMQ1866 extends TestCase {
if (getName().equals("Consumer-1")) {
sleepingTime = 10 * 1000;
} else {
sleepingTime = 10;
sleepingTime = 1;
}
Thread.sleep(sleepingTime);
counter.incrementAndGet();