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https://issues.apache.org/jira/browse/AMQ-6222 

Moving clearedMarshalledState execution to the async listener on an
async add to the message store.  This is necessary to make sure this
logic doens't execute until after the message is marshalled for the
store.
This commit is contained in:
Christopher L. Shannon (cshannon) 2016-03-22 17:37:56 +00:00
parent e0c5499964
commit 75990ef14a
2 changed files with 330 additions and 4 deletions
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18
activemq-broker/src/main/java/org/apache/activemq/broker/region/Queue.java
View File

@ -835,13 +835,27 @@ public class Queue extends BaseDestination implements Task, UsageListener, Index
try {
if (messages.isCacheEnabled()) {
result = store.asyncAddQueueMessage(context, message, isOptimizeStorage());
result.addListener(new PendingMarshalUsageTracker(message));
final PendingMarshalUsageTracker tracker = new PendingMarshalUsageTracker(message);
result.addListener(new Runnable() {
@Override
public void run() {
//Execute usage tracker and then check isReduceMemoryFootprint()
tracker.run();
if (isReduceMemoryFootprint()) {
try {
message.clearMarshalledState();
} catch (JMSException e) {
throw new IllegalStateException(e);
}
}
}
});
} else {
store.addMessage(context, message);
}
if (isReduceMemoryFootprint()) {
message.clearMarshalledState();
}
}
} catch (Exception e) {
// we may have a store in inconsistent state, so reset the cursor
// before restarting normal broker operations

312
activemq-unit-tests/src/test/java/org/apache/activemq/bugs/AMQ6222Test.java Normal file
View File

@ -0,0 +1,312 @@
/*
* 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 static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.ExceptionListener;
import javax.jms.JMSException;
import javax.jms.MapMessage;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.ObjectMessage;
import javax.jms.Session;
import javax.jms.TextMessage;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.ActiveMQSession;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.TransportConnector;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This test can also be used to debug AMQ-6218 and AMQ-6221
*
* This test shows that messages are received with non-null data while
* several consumers are used.
*/
@RunWith(Parameterized.class)
public class AMQ6222Test {
private static final Logger LOG = LoggerFactory.getLogger(AMQ6222Test.class);
private final MessageType messageType;
private final boolean reduceMemoryFootPrint;
private final boolean concurrentDispatch;
private static enum MessageType {TEXT, MAP, OBJECT}
private final static boolean[] booleanVals = {true, false};
private static boolean[] reduceMemoryFootPrintVals = booleanVals;
private static boolean[] concurrentDispatchVals = booleanVals;
@Parameters(name="Type:{0}; ReduceMemoryFootPrint:{1}; ConcurrentDispatch:{2}")
public static Collection<Object[]> data() {
List<Object[]> values = new ArrayList<>();
for (MessageType mt : MessageType.values()) {
for (boolean rmfVal : reduceMemoryFootPrintVals) {
for (boolean cdVal : concurrentDispatchVals) {
values.add(new Object[] {mt, rmfVal, cdVal});
}
}
}
return values;
}
public AMQ6222Test(MessageType messageType, boolean reduceMemoryFootPrint,
boolean concurrentDispatch) {
this.messageType = messageType;
this.reduceMemoryFootPrint = reduceMemoryFootPrint;
this.concurrentDispatch = concurrentDispatch;
}
private BrokerService broker;
private final AtomicBoolean failure = new AtomicBoolean();
private CountDownLatch ready;
private URI connectionURI;
private URI vmConnectionURI;
private final boolean USE_VM_TRANSPORT = true;
private final int NUM_CONSUMERS = 30;
private final int NUM_PRODUCERS = 1;
private final int NUM_TASKS = NUM_CONSUMERS + NUM_PRODUCERS;
private int i = 0;
private String MessageId = null;
private int MessageCount = 0;
@Before
public void setUp() throws Exception {
broker = new BrokerService();
TransportConnector connector = broker.addConnector("tcp://0.0.0.0:0");
broker.setDeleteAllMessagesOnStartup(true);
PolicyMap policyMap = new PolicyMap();
PolicyEntry defaultPolicy = new PolicyEntry();
defaultPolicy.setReduceMemoryFootprint(reduceMemoryFootPrint);
policyMap.setDefaultEntry(defaultPolicy);
broker.setDestinationPolicy(policyMap);
KahaDBPersistenceAdapter ad = (KahaDBPersistenceAdapter) broker.getPersistenceAdapter();
ad.setConcurrentStoreAndDispatchQueues(concurrentDispatch);
broker.start();
broker.waitUntilStarted();
ready = new CountDownLatch(NUM_TASKS);
connectionURI = connector.getPublishableConnectURI();
vmConnectionURI = broker.getVmConnectorURI();
}
@After
public void tearDown() throws Exception {
if (broker != null) {
broker.stop();
}
}
@Test(timeout=180000)
public void testMessagesAreValid() throws Exception {
ExecutorService tasks = Executors.newFixedThreadPool(NUM_TASKS);
for (int i = 0; i < NUM_CONSUMERS; i++) {
LOG.info("Created Consumer: {}", i + 1);
tasks.execute(new HelloWorldConsumer());
}
for (int i = 0; i < NUM_PRODUCERS; i++) {
LOG.info("Created Producer: {}", i + 1);
tasks.execute(new HelloWorldProducer());
}
assertTrue(ready.await(20, TimeUnit.SECONDS));
try {
tasks.shutdown();
tasks.awaitTermination(10, TimeUnit.SECONDS);
} catch (Exception e) {
//should get exception with no errors
}
assertFalse("Test Encountered a null bodied message", failure.get());
}
public URI getBrokerURI() {
if (USE_VM_TRANSPORT) {
return vmConnectionURI;
} else {
return connectionURI;
}
}
public class HelloWorldProducer implements Runnable {
@Override
public void run() {
try {
ActiveMQConnectionFactory connectionFactory =
new ActiveMQConnectionFactory(getBrokerURI());
Connection connection = connectionFactory.createConnection();
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
Destination destination = session.createTopic("VirtualTopic.AMQ6218Test");
MessageProducer producer = session.createProducer(destination);
LOG.info("Producer: {}", destination);
producer.setDeliveryMode(DeliveryMode.PERSISTENT);
producer.setPriority(4);
producer.setTimeToLive(0);
ready.countDown();
int j = 0;
while (!failure.get()) {
j++;
String text = "AMQ Message Number :" + j;
Message message = null;
if (messageType.equals(MessageType.MAP)) {
MapMessage mapMessage = session.createMapMessage();
mapMessage.setString("text", text);
message = mapMessage;
} else if (messageType.equals(MessageType.OBJECT)) {
ObjectMessage objectMessage = session.createObjectMessage();
objectMessage.setObject(text);
message = objectMessage;
} else {
message = session.createTextMessage(text);
}
producer.send(message);
LOG.info("Sent message: {}", message.getJMSMessageID());
}
connection.close();
} catch (Exception e) {
LOG.error("Caught: " + e);
e.printStackTrace();
}
}
}
public class HelloWorldConsumer implements Runnable, ExceptionListener {
String queueName;
@Override
public void run() {
try {
ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(getBrokerURI());
Connection connection = connectionFactory.createConnection();
connection.start();
Session session = connection.createSession(false, ActiveMQSession.INDIVIDUAL_ACKNOWLEDGE);
synchronized (this) {
queueName = "Consumer.Q" + i + ".VirtualTopic.AMQ6218Test";
i++;
LOG.info(queueName);
}
Destination destination = session.createQueue(queueName);
MessageConsumer consumer = session.createConsumer(destination);
ready.countDown();
while (!failure.get()) {
Message message = consumer.receive(500);
if (message != null) {
synchronized (this) {
if (MessageId != null) {
if (message.getJMSMessageID().equalsIgnoreCase(MessageId)) {
MessageCount++;
} else {
LOG.info("Count of message " + MessageId + " is " + MessageCount);
MessageCount = 1;
MessageId = message.getJMSMessageID();
}
} else {
MessageId = message.getJMSMessageID();
MessageCount = 1;
}
}
String text = null;
if (messageType.equals(MessageType.OBJECT) && message instanceof ObjectMessage) {
ObjectMessage objectMessage = (ObjectMessage) message;
text = (String) objectMessage.getObject();
} else if (messageType.equals(MessageType.TEXT) && message instanceof TextMessage) {
TextMessage textMessage = (TextMessage) message;
text = textMessage.getText();
} else if (messageType.equals(MessageType.MAP) && message instanceof MapMessage) {
MapMessage mapMessage = (MapMessage) message;
text = mapMessage.getString("text");
} else {
LOG.info(queueName + " Message is not a instanceof " + messageType + " message id: " + message.getJMSMessageID() + message);
}
if (text == null) {
LOG.warn(queueName + " text received as a null " + message);
failure.set(true);
} else {
LOG.info(queueName + " text " + text + " message id: " + message.getJMSMessageID());
}
message.acknowledge();
}
}
connection.close();
} catch (Exception e) {
LOG.error("Caught: ", e);
}
}
@Override
public synchronized void onException(JMSException ex) {
LOG.error("JMS Exception occurred. Shutting down client.");
}
}
}