WCF not processing MSMQ message with binary format

I have a WCF Windows Service that retrieve MSMQ messages. The SubmitPurchaseOrderInMessage doesn't seem to get called neither do I see any messages in the queue. Code is shown below.

WCF class:

public class OrderProcessorService : IOrderProcessor
{
    [OperationBehavior(TransactionScopeRequired = true, TransactionAutoComplete = true)]
    [ServiceKnownType(typeof(MyOrder))]
    public void SubmitPurchaseOrderInMessage(MsmqMessage<MyOrder> ordermsg)
    {
        MyOrder po = (MyOrder)ordermsg.Body;
        Console.WriteLine("Processing id:{0}, name:{1} ", po.ID, po.Name);
    }

    public static void Main()
    {
        //init queue
        if (!MessageQueue.Exists(Constants.QUEUE_PATH)) MessageQueue.Create(Constants.QUEUE_PATH, true);

        //init wcf host via code
        Uri baseUri = new Uri("http://localhost:7878/msmqsvc");
        using (ServiceHost host = new ServiceHost(typeof(OrderProcessorService),baseUri))
        {
            //add metadata behavior
            ServiceMetadataBehavior smb = new ServiceMetadataBehavior(){ HttpGetEnabled=true};
            host.Description.Behaviors.Add(smb);

            //add service endpoint
            MsmqIntegrationBinding binding = new MsmqIntegrationBinding(MsmqIntegrationSecurityMode.None);
            binding.SerializationFormat = MsmqMessageSerializationFormat.Binary;
            host.AddServiceEndpoint(typeof(ClassLib.IOrderProcessor), binding, "msmq.formatname:DIRECT=OS:" + Constants.QUEUE_PATH);

            host.Open();

            // The service can now be accessed.
            Console.WriteLine("The service is ready.");
            Console.WriteLine("Press <ENTER> to terminate service.");
            Console.ReadLine();
            host.Close();
        }
    }
}

Interface Contract:

[ServiceContract(Namespace = "http://Microsoft.ServiceModel.Samples")]
[ServiceKnownType(typeof(MyOrder))]
public interface IOrderProcessor
{
    [OperationContract(IsOneWay = true, Action = "*")]
    void SubmitPurchaseOrderInMessage(MsmqMessage<MyOrder> msg);
}

The array Parameters can be any dynamic serializable type that can be passed by client. I think issue is with this parameter. If I remove this parameter and the serializable attribute and also the binding.SerializationFormat in the client, then eveything works fine.

Serializable class:

[DataContract(Namespace = "http://Microsoft.ServiceModel.Samples")]
[Serializable]
public class MyOrder
{
    [DataMember]
    public string ID;

    [DataMember]
    public string Name;

    [DataMember]
    public object[] Parameters;
}

[Serializable]
public class Transaction
{
    public int Amount { get; set; }
}

Client :

 class Program
 {
    static void Main(string[] args)
    {
        try
        {
            Run();
        }
        catch (Exception ex)
        {
            Console.WriteLine(ex.ToString());
        }
    }

    static void Run()
    {
        MsmqIntegrationBinding binding = new MsmqIntegrationBinding();
        binding.Security.Mode = MsmqIntegrationSecurityMode.None;
        binding.Security.Transport.MsmqAuthenticationMode = MsmqAuthenticationMode.None;
        binding.Security.Transport.MsmqProtectionLevel = System.Net.Security.ProtectionLevel.None;
        binding.SerializationFormat = MsmqMessageSerializationFormat.Binary;
        EndpointAddress address = new EndpointAddress("msmq.formatname:DIRECT=OS:" + Constants.QUEUE_PATH);

        ChannelFactory<ClassLib.IOrderProcessor> channelFactory = new ChannelFactory<ClassLib.IOrderProcessor>(binding, address);

        try
        {
            ClassLib.IOrderProcessor channel = channelFactory.CreateChannel();

            MyOrder order = new MyOrder();
            order.ID = DateTime.Now.Ticks.ToString();
            order.Name = "Order_" + order.ID;
            order.Parameters = new object[] { new Transaction { Amount = 108 }, new Transaction { Amount = 100 } };
            MsmqMessage<MyOrder> ordermsg = new MsmqMessage<MyOrder>(order);

            using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required))
            {
                channel.SubmitPurchaseOrderInMessage(ordermsg);
                scope.Complete();
            }

            Console.WriteLine("Order has been submitted:{0}", ordermsg);
        }
        catch(Exception ex)
        {

        }
        finally
        {
            channelFactory.Close();
        }
    }
}

Answers


Here are some things to check:

  1. Check no messages in temporary outbound queue client-side. If there are messages in this queue it indicates that message cannot be transmitted across the network. Because your queues are transactional this could mean MSDTC configuration (link supports 2012 also).

  2. Check no messages in transactional dead letter queue on service-side. If there are, this indicates a problem delivering the message to the service queue. Likely permissions issue. Service account requires Receive Message and Peek Message on it's queue, client account requires Send Message, Get Permissions, and Get Properties on destination queue.

  3. Enable msmq logging in windows event log. This logs all MSMQ related activity on the box. Service-side for a successful transmission you should see 2 events in the log: Message came over network, and Message with ID was put into queue .


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