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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 javax.jms.BytesMessage;
import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.MessageProducer;
import javax.jms.Session;
import junit.framework.TestCase;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.jmx.QueueViewMBean;
import org.apache.activemq.broker.region.Queue;
import org.apache.activemq.broker.region.RegionBroker;
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.command.Message;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class AMQ4930Test extends TestCase {
private static final Logger LOG = LoggerFactory.getLogger(AMQ4930Test.class);
final int messageCount = 150;
final int messageSize = 1024*1024;
final int maxBrowsePageSize = 50;
final ActiveMQQueue bigQueue = new ActiveMQQueue("BIG");
BrokerService broker;
ActiveMQConnectionFactory factory;
protected void configureBroker() throws Exception {
broker.setDeleteAllMessagesOnStartup(true);
broker.setAdvisorySupport(false);
broker.getSystemUsage().getMemoryUsage().setLimit(1*1024*1024);
PolicyMap pMap = new PolicyMap();
PolicyEntry policy = new PolicyEntry();
// disable expriy processing as this will call browse in parallel
policy.setExpireMessagesPeriod(0);
policy.setMaxPageSize(maxBrowsePageSize);
policy.setMaxBrowsePageSize(maxBrowsePageSize);
pMap.setDefaultEntry(policy);
broker.setDestinationPolicy(pMap);
}
public void testBrowsePendingNonPersistent() throws Exception {
doTestBrowsePending(DeliveryMode.NON_PERSISTENT);
}
public void testBrowsePendingPersistent() throws Exception {
doTestBrowsePending(DeliveryMode.PERSISTENT);
}
public void testWithStatsDisabled() throws Exception {
((RegionBroker)broker.getRegionBroker()).getDestinationStatistics().setEnabled(false);
doTestBrowsePending(DeliveryMode.PERSISTENT);
}
public void doTestBrowsePending(int deliveryMode) throws Exception {
Connection connection = factory.createConnection();
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(bigQueue);
producer.setDeliveryMode(deliveryMode);
BytesMessage bytesMessage = session.createBytesMessage();
bytesMessage.writeBytes(new byte[messageSize]);
for (int i = 0; i < messageCount; i++) {
producer.send(bigQueue, bytesMessage);
}
final QueueViewMBean queueViewMBean = (QueueViewMBean)
broker.getManagementContext().newProxyInstance(broker.getAdminView().getQueues()[0], QueueViewMBean.class, false);
LOG.info(queueViewMBean.getName() + " Size: " + queueViewMBean.getEnqueueCount());
connection.close();
assertFalse("Cache disabled on q", queueViewMBean.isCacheEnabled());
// ensure repeated browse does now blow mem
final Queue underTest = (Queue) ((RegionBroker)broker.getRegionBroker()).getQueueRegion().getDestinationMap().get(bigQueue);
// do twice to attempt to pull in 2*maxBrowsePageSize which uses up the system memory limit
Message[] browsed = underTest.browse();
LOG.info("Browsed: " + browsed.length);
assertEquals("maxBrowsePageSize", maxBrowsePageSize, browsed.length);
browsed = underTest.browse();
LOG.info("Browsed: " + browsed.length);
assertEquals("maxBrowsePageSize", maxBrowsePageSize, browsed.length);
Runtime.getRuntime().gc();
long free = Runtime.getRuntime().freeMemory()/1024;
LOG.info("free at start of check: " + free);
// check for memory growth
for (int i=0; i<10; i++) {
LOG.info("free: " + Runtime.getRuntime().freeMemory()/1024);
browsed = underTest.browse();
LOG.info("Browsed: " + browsed.length);
assertEquals("maxBrowsePageSize", maxBrowsePageSize, browsed.length);
Runtime.getRuntime().gc();
Runtime.getRuntime().gc();
assertTrue("No growth: " + Runtime.getRuntime().freeMemory()/1024 + " >= " + (free - (free * 0.2)), Runtime.getRuntime().freeMemory()/1024 >= (free - (free * 0.2)));
}
}
protected void setUp() throws Exception {
super.setUp();
broker = new BrokerService();
broker.setBrokerName("thisOne");
configureBroker();
broker.start();
factory = new ActiveMQConnectionFactory("vm://thisOne?jms.alwaysSyncSend=true");
factory.setWatchTopicAdvisories(false);
}
protected void tearDown() throws Exception {
super.tearDown();
if (broker != null) {
broker.stop();
broker = null;
}
}
}