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Diffstat (limited to 'qpid/java/systests/src/main/java/org/apache/qpid/client/ResetMessageListenerTest.java')
| -rw-r--r-- | qpid/java/systests/src/main/java/org/apache/qpid/client/ResetMessageListenerTest.java | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/qpid/java/systests/src/main/java/org/apache/qpid/client/ResetMessageListenerTest.java b/qpid/java/systests/src/main/java/org/apache/qpid/client/ResetMessageListenerTest.java new file mode 100644 index 0000000000..303da29389 --- /dev/null +++ b/qpid/java/systests/src/main/java/org/apache/qpid/client/ResetMessageListenerTest.java @@ -0,0 +1,229 @@ +/* + * 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.qpid.client; + +import org.apache.qpid.test.utils.QpidBrokerTestCase; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import javax.jms.Connection; +import javax.jms.JMSException; +import javax.jms.Message; +import javax.jms.MessageConsumer; +import javax.jms.MessageListener; +import javax.jms.MessageProducer; +import javax.jms.Queue; +import javax.jms.Session; +import javax.jms.TextMessage; +import javax.naming.Context; + +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; + +/** + * QPID-293 Setting MessageListener after connection has started can cause messages to be "lost" on a internal delivery + * queue <p/> The message delivery process: Mina puts a message on _queue in AMQSession and the dispatcher thread + * take()s from here and dispatches to the _consumers. If the _consumer1 doesn't have a message listener set at + * connection start then messages are stored on _synchronousQueue (which needs to be > 1 to pass JMS TCK as multiple + * consumers on a session can run in any order and a synchronous put/poll will block the dispatcher). <p/> When setting + * the message listener later the _synchronousQueue is just poll()'ed and the first message delivered the remaining + * messages will be left on the queue and lost, subsequent messages on the session will arrive first. + */ +public class ResetMessageListenerTest extends QpidBrokerTestCase +{ + private static final Logger _logger = LoggerFactory.getLogger(ResetMessageListenerTest.class); + + Context _context; + + private static final int MSG_COUNT = 6; + private Connection _clientConnection, _producerConnection; + private MessageConsumer _consumer1; + MessageProducer _producer; + Session _clientSession, _producerSession; + + private final CountDownLatch _allFirstMessagesSent = new CountDownLatch(MSG_COUNT); // all messages Sent Lock + private final CountDownLatch _allSecondMessagesSent = new CountDownLatch(MSG_COUNT); // all messages Sent Lock + + protected void setUp() throws Exception + { + super.setUp(); + + _clientConnection = getConnection("guest", "guest"); + _clientConnection.start(); + // Create Client 1 + + _clientSession = _clientConnection.createSession(false, Session.AUTO_ACKNOWLEDGE); + + Queue queue = _clientSession.createQueue("reset-message-listener-test-queue"); + + _consumer1 = _clientSession.createConsumer(queue); + + // Create Producer + _producerConnection = getConnection("guest", "guest"); + + _producerConnection.start(); + + _producerSession = _producerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE); + + _producer = _producerSession.createProducer(queue); + + TextMessage m = _producerSession.createTextMessage(); + m.setStringProperty("rank", "first"); + for (int msg = 0; msg < MSG_COUNT; msg++) + { + m.setText("Message " + msg); + _producer.send(m); + } + } + + protected void tearDown() throws Exception + { + _clientConnection.close(); + + super.tearDown(); + } + + public void testAsynchronousRecieve() + { + + _logger.info("Test Start"); + + try + { + _consumer1.setMessageListener(new MessageListener() + { + public void onMessage(Message message) + { + try + { + if (message.getStringProperty("rank").equals("first")) + { + _allFirstMessagesSent.countDown(); + } + } + catch (JMSException e) + { + e.printStackTrace(); + fail("error receiving message"); + } + } + }); + } + catch (JMSException e) + { + _logger.error("Error Setting Default ML on consumer1"); + } + try + { + assertTrue("Did not receive all first batch of messages", + _allFirstMessagesSent.await(1000, TimeUnit.MILLISECONDS)); + _logger.info("Received first batch of messages"); + } + catch (InterruptedException e) + { + // do nothing + } + + try + { + _clientConnection.stop(); + } + catch (JMSException e) + { + _logger.error("Error stopping connection"); + } + + _logger.info("Reset Message Listener "); + try + { + _consumer1.setMessageListener(new MessageListener() + { + public void onMessage(Message message) + { + try + { + if (message.getStringProperty("rank").equals("first")) + { + // Something ugly will happen, it'll probably kill the dispatcher + fail("All first set of messages should have been received"); + } + else + { + _allSecondMessagesSent.countDown(); + } + } + catch (JMSException e) + { + e.printStackTrace(); + // Something ugly will happen, it'll probably kill the dispatcher + fail("error receiving message"); + } + } + }); + + _clientConnection.start(); + } + catch (javax.jms.IllegalStateException e) + { + _logger.error("Connection not stopped while setting ML", e); + fail("Unable to change message listener:" + e.getCause()); + } + catch (JMSException e) + { + _logger.error("Error Setting Better ML on consumer1", e); + } + + try + { + _logger.info("Send additional messages"); + TextMessage m = _producerSession.createTextMessage(); + m.setStringProperty("rank", "second"); + for (int msg = 0; msg < MSG_COUNT; msg++) + { + m.setText("Message " + msg); + _producer.send(m); + } + } + catch (JMSException e) + { + _logger.error("Unable to send additional messages", e); + } + + _logger.info("Waiting for messages"); + + try + { + assertTrue(_allSecondMessagesSent.await(1000, TimeUnit.MILLISECONDS)); + } + catch (InterruptedException e) + { + // do nothing + } + assertEquals("First batch of messages not received correctly", 0, _allFirstMessagesSent.getCount()); + assertEquals("Second batch of messages not received correctly", 0, _allSecondMessagesSent.getCount()); + } + + public static junit.framework.Test suite() + { + return new junit.framework.TestSuite(ResetMessageListenerTest.class); + } +} |