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From "Imran (JIRA)" <jira+amq...@apache.org>
Subject [jira] [Created] (AMQNET-472) Synchronous DTC Consumer will experience duplicates on transaction rollback
Date Mon, 03 Mar 2014 10:54:25 GMT
Imran created AMQNET-472:
----------------------------

             Summary: 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


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(message, Is.Not.Null, "message was not redilivered");
            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;
    }
}



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