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Posted to issues@activemq.apache.org by "Jim Gomes (JIRA)" <ji...@apache.org> on 2015/07/07 00:03:06 UTC
[jira] [Resolved] (AMQNET-472) Synchronous DTC Consumer will
experience duplicates on transaction rollback
[ https://issues.apache.org/jira/browse/AMQNET-472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jim Gomes resolved AMQNET-472.
------------------------------
Resolution: Done
> Synchronous DTC Consumer will experience duplicates on transaction rollback
> ---------------------------------------------------------------------------
>
> Key: AMQNET-472
> URL: https://issues.apache.org/jira/browse/AMQNET-472
> Project: ActiveMQ .Net
> Issue Type: Bug
> Components: ActiveMQ
> Affects Versions: 1.6.2
> Reporter: Imran
> Assignee: Jim Gomes
> Attachments: NetTxMessageConsumer.patch
>
>
> Rollback when using DTC will result in a duplicate message being received.
> {code:title=FailingTest|borderStyle=solid}
> using System;
> using System.Configuration;
> using System.ServiceProcess;
> using System.Transactions;
> using Apache.NMS;
> using Apache.NMS.ActiveMQ;
> using Apache.NMS.Policies;
> using Apache.NMS.Util;
> using Common.Logging;
> using Common.Logging.Simple;
> using NUnit.Framework;
> namespace IntegrationTests.ApacheNms.Jira
> {
> [TestFixture]
> public class Dtc
> {
> [Test, Explicit("Bug in 1.6.2")]
> public void First_message_should_be_redilivered_and_republished_on_rollback_and_second_message_processed_as_normal()
> {
> SendMessageToQueue("1");
> SendMessageToQueue("2");
> var session = _connection.CreateSession();
> var sessionTwo = _connection.CreateSession();
> var consumer = session.CreateConsumer(SessionUtil.GetDestination(session, InQueue));
> var producer = sessionTwo.CreateProducer(SessionUtil.GetDestination(session, OutQueue));
> _log.Debug("Process message one and rollback");
> var transaction = new TransactionScope(TransactionScopeOption.RequiresNew);
> var message = consumer.Receive(TimeSpan.FromSeconds(30));
> producer.Send(message);
> transaction.Dispose();
> _log.Debug("Processing message two and commit");
> transaction = new TransactionScope(TransactionScopeOption.RequiresNew);
> message = consumer.Receive(TimeSpan.FromSeconds(30));
> producer.Send(message);
> transaction.Complete();
> transaction.Dispose();
> _log.Debug("Processing message one replay and commit");
> transaction = new TransactionScope(TransactionScopeOption.RequiresNew);
> message = consumer.Receive(TimeSpan.FromSeconds(30));
> producer.Send(message);
> transaction.Complete();
> transaction.Dispose();
> _log.Debug("Process any repeats, there should be none");
> transaction = new TransactionScope(TransactionScopeOption.RequiresNew);
> message = consumer.Receive(TimeSpan.FromSeconds(30));
> if (message != null)
> producer.Send(message);
> transaction.Complete();
> transaction.Dispose();
> session.Dispose();
> sessionTwo.Dispose();
> Assert.That(CountMessagesInQueue(InQueue), Is.EqualTo(0));
> Assert.That(CountMessagesInQueue(OutQueue), Is.EqualTo(2));
> }
> public static void TransactionCallback(object s, TransactionEventArgs e)
> {
> LogManager.GetCurrentClassLogger().DebugFormat("Tranasaction {0}", e.Transaction.TransactionInformation.Status);
> }
> private int CountMessagesInQueue(string queue)
> {
> var count = 0;
> using (var session = _connection.CreateSession())
> using (var consumerIn = session.CreateConsumer(SessionUtil.GetDestination(session, queue)))
> using (var scope = new TransactionScope(TransactionScopeOption.RequiresNew))
> {
> while (true)
> {
> var msg = consumerIn.Receive(TimeSpan.FromSeconds(2));
> if (msg == null)
> break;
> count++;
> }
> }
> return count;
> }
> private void StartService(ServiceController service)
> {
> if (service.Status != ServiceControllerStatus.Running)
> service.Start();
> service.WaitForStatus(ServiceControllerStatus.Running);
> _log.Debug("Started Broker");
> }
> private void StopService(ServiceController service)
> {
> if (service.Status != ServiceControllerStatus.Stopped)
> service.Stop();
> service.WaitForStatus(ServiceControllerStatus.Stopped);
> _log.Debug("Stopped Broker Broker");
> }
> private void SendMessageToQueue(string message)
> {
> using (var session = _connection.CreateSession())
> using (var producer = session.CreateProducer(SessionUtil.GetDestination(session, InQueue)))
> using (var scope = new TransactionScope(TransactionScopeOption.RequiresNew))
> {
> producer.Send(producer.CreateTextMessage(message));
> scope.Complete();
> }
> _log.Debug("Primed Input Queue");
> }
> private void DeleteQueue(string queue)
> {
> using (var session = _connection.CreateSession())
> {
> SessionUtil.DeleteDestination(session, queue);
> }
> }
> [SetUp]
> public void TestSetup()
> {
> LogManager.Adapter = new ConsoleOutLoggerFactoryAdapter(LogLevel.Debug, true, true, true, "HH:MM:ss");
> _log = LogManager.GetLogger(typeof(Dtc).Name);
> StartService(ActiveMqMaster);
> StopService(ActiveMqSlave);
> _factory = new NetTxConnectionFactory(ActiveMqConnectionString)
> {
> AcknowledgementMode = AcknowledgementMode.Transactional,
> RedeliveryPolicy = new RedeliveryPolicy { InitialRedeliveryDelay = 0, MaximumRedeliveries = 3, BackOffMultiplier = 0, UseExponentialBackOff = false },
> DispatchAsync = true,
> AsyncSend = false,
> PrefetchPolicy = new PrefetchPolicy { All = 5 },
> };
> _connection = _factory.CreateConnection();
> _log.Debug("Starting connection");
> _connection.Start();
> _log.Debug("Connection established");
> DeleteQueue(InQueue);
> DeleteQueue(OutQueue);
> //Tracer.Trace = new CommonLoggingTraceAdapter();
> }
> [TearDown]
> public void TestTearDown()
> {
> _connection.Dispose();
> }
> protected ServiceController ActiveMqMaster = new ServiceController(ActiveMasterServiceName, ActiveMqMachineName);
> protected ServiceController ActiveMqSlave = new ServiceController(ActiveMqSlaveServiceName, ActiveMqMachineName);
> private static readonly string ActiveMqMachineName = ConfigurationManager.AppSettings["ActiveMqServiceMachineName"];
> private static readonly string ActiveMqConnectionString = ConfigurationManager.ConnectionStrings["ActiveMqServer"].ConnectionString;
> private static readonly string ActiveMasterServiceName = ConfigurationManager.AppSettings["ActiveMqMasterName"];
> private static readonly string ActiveMqSlaveServiceName = ConfigurationManager.AppSettings["ActiveMqSlaveName"];
> private IConnection _connection;
> private const string InQueue = "integration-test-q-in";
> private const string OutQueue = "integration-test-q-out";
> private ILog _log;
> private NetTxConnectionFactory _factory;
> }
> }
> {code}
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