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test case that shows concurrent mod exception when optimise dispatch is enabled and usage limit met 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1241068 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gary Tully 2012-02-06 16:37:09 +00:00
parent 7388438a85
commit 80ecfb7049
1 changed files with 210 additions and 0 deletions
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activemq-core/src/test/java/org/apache/activemq/bugs/MemoryUsageBlockResumeTest.java Normal file
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/**
* 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 java.io.File;
import java.util.Vector;
import java.util.concurrent.atomic.AtomicInteger;
import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.ActiveMQPrefetchPolicy;
import org.apache.activemq.TestSupport;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.util.Wait;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MemoryUsageBlockResumeTest extends TestSupport implements Thread.UncaughtExceptionHandler {
public int deliveryMode = DeliveryMode.PERSISTENT;
private static final Logger LOG = LoggerFactory.getLogger(MemoryUsageBlockResumeTest.class);
private static byte[] buf = new byte[4 * 1024];
private static byte[] bigBuf = new byte[48 * 1024];
private BrokerService broker;
AtomicInteger messagesSent = new AtomicInteger(0);
AtomicInteger messagesConsumed = new AtomicInteger(0);
protected long messageReceiveTimeout = 10000L;
Destination destination = new ActiveMQQueue("FooTwo");
Destination bigDestination = new ActiveMQQueue("FooTwoBig");
private String connectionUri;
private Vector<Throwable> exceptions = new Vector<Throwable>();
public void testBlockByOtherResumeNoException() throws Exception {
ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(connectionUri);
// ensure more than on message can be pending when full
factory.setProducerWindowSize(48*1024);
// ensure messages are spooled to disk for this consumer
ActiveMQPrefetchPolicy prefetch = new ActiveMQPrefetchPolicy();
prefetch.setTopicPrefetch(10);
factory.setPrefetchPolicy(prefetch);
Connection consumerConnection = factory.createConnection();
consumerConnection.start();
Session consumerSession = consumerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageConsumer consumer = consumerSession.createConsumer(bigDestination);
final Connection producerConnection = factory.createConnection();
producerConnection.start();
final int fillWithBigCount = 10;
Session session = producerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(null);
producer.setDeliveryMode(deliveryMode);
for (int idx = 0; idx < fillWithBigCount; ++idx) {
Message message = session.createTextMessage(new String(bigBuf) + idx);
producer.send(bigDestination, message);
messagesSent.incrementAndGet();
LOG.info("After big: " + idx + ", System Memory Usage " + broker.getSystemUsage().getMemoryUsage().getPercentUsage());
}
// will block on pfc
final int toSend = 20;
Thread producingThread = new Thread("Producing thread") {
@Override
public void run() {
try {
Session session = producerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(destination);
producer.setDeliveryMode(deliveryMode);
for (int idx = 0; idx < toSend; ++idx) {
Message message = session.createTextMessage(new String(buf) + idx);
producer.send(destination, message);
messagesSent.incrementAndGet();
LOG.info("After little:" + idx + ", System Memory Usage " + broker.getSystemUsage().getMemoryUsage().getPercentUsage());
}
} catch (Throwable ex) {
ex.printStackTrace();
}
}
};
producingThread.start();
Thread producingThreadTwo = new Thread("Producing thread") {
@Override
public void run() {
try {
Session session = producerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(destination);
producer.setDeliveryMode(deliveryMode);
for (int idx = 0; idx < toSend; ++idx) {
Message message = session.createTextMessage(new String(buf) + idx);
producer.send(destination, message);
messagesSent.incrementAndGet();
LOG.info("After little:" + idx + ", System Memory Usage " + broker.getSystemUsage().getMemoryUsage().getPercentUsage());
}
} catch (Throwable ex) {
ex.printStackTrace();
}
}
};
producingThreadTwo.start();
assertTrue("producer has sent x in a reasonable time", Wait.waitFor(new Wait.Condition()
{
@Override
public boolean isSatisified() throws Exception {
LOG.info("Checking for : X sent, System Memory Usage " + broker.getSystemUsage().getMemoryUsage().getPercentUsage() + ", sent: " + messagesSent);
return messagesSent.get() > 20;
}
}));
LOG.info("Consuming from big q to allow delivery to smaller q from pending");
int count = 0;
Message m = null;
for (;count < 10; count++) {
assertTrue((m = consumer.receive(messageReceiveTimeout)) != null);
LOG.info("Recieved Message (" + count + "):" + m + ", System Memory Usage " + broker.getSystemUsage().getMemoryUsage().getPercentUsage());
messagesConsumed.incrementAndGet();
}
consumer.close();
producingThread.join();
producingThreadTwo.join();
assertEquals("Incorrect number of Messages Sent: " + messagesSent.get(), messagesSent.get(), fillWithBigCount + toSend*2);
// consume all little messages
consumer = consumerSession.createConsumer(destination);
for (count = 0;count < toSend*2; count++) {
assertTrue((m = consumer.receive(messageReceiveTimeout)) != null);
LOG.info("Recieved Message (" + count + "):" + m + ", System Memory Usage " + broker.getSystemUsage().getMemoryUsage().getPercentUsage() );
messagesConsumed.incrementAndGet();
}
assertEquals("Incorrect number of Messages consumed: " + messagesConsumed.get(), messagesSent.get(), messagesConsumed.get());
//assertTrue("no exceptions: " + exceptions, exceptions.isEmpty());
}
@Override
public void setUp() throws Exception {
Thread.setDefaultUncaughtExceptionHandler(this);
broker = new BrokerService();
broker.setDataDirectory("target" + File.separator + "activemq-data");
broker.setPersistent(true);
broker.setUseJmx(true);
broker.setAdvisorySupport(false);
broker.setDeleteAllMessagesOnStartup(true);
setDefaultPersistenceAdapter(broker);
broker.getSystemUsage().getMemoryUsage().setLimit((30 * 16 * 1024));
PolicyEntry defaultPolicy = new PolicyEntry();
defaultPolicy.setOptimizedDispatch(true);
PolicyMap policyMap = new PolicyMap();
policyMap.setDefaultEntry(defaultPolicy);
broker.setDestinationPolicy(policyMap);
broker.addConnector("tcp://localhost:0");
broker.start();
connectionUri = broker.getTransportConnectors().get(0).getPublishableConnectString();
}
@Override
public void tearDown() throws Exception {
if (broker != null) {
broker.stop();
}
}
@Override
public void uncaughtException(Thread t, Throwable e) {
LOG.error("Unexpected Unhandeled ex on: " + t, e);
exceptions.add(e);
}
}