Masstransit not consuming non MassTransit messages - asp.net-core

Question

I have to publish a message using Python and consume it using MassTransit (.Net core app).
To test, I created a Console Application to produce the messages using the Azure.ServiceBuss library.
The consumer is a MassTransit implementation of the ServiceBus.
When I send the message to the queue (using my console application), MassTransit is not able to consume it.
I am aware of the Interoperability and all the headers we must send in order to MassTransit consume the messages, but I am not able to make the consumer work.
The producer:
namespace MassTransit.MultipleBus.ServiceBus.Models.Commands
{
class Program
{
const string ServiceBusConnectionString = "connstring";
const string QueueName = "topic";
static IQueueClient queueClient;
public static async Task Main(string[] args)
{
queueClient = new QueueClient(ServiceBusConnectionString, QueueName);
// Send messages.
await SendMessagesAsync();
Console.WriteLine("ENVIOU");
Console.ReadKey();
await queueClient.CloseAsync();
}
private static async Task SendMessagesAsync()
{
try
{
while (true)
{
string messageBody = JsonConvert.SerializeObject(new EnviarExemploPocAzureServiceBusCommand(
NewId.NextGuid(),
NewId.NextGuid(),
new Proposta()
)
{
Headers = new Dictionary<string, object>() { },
Host = new HostInfo()
});
var message = new Message(Encoding.UTF8.GetBytes(messageBody));
Console.WriteLine($"Enviando mensagem: {messageBody}");
await queueClient.SendAsync(message);
Console.WriteLine("Enviado. Enviar outro?");
Console.ReadKey();
}
}
catch (Exception exception)
{
Console.WriteLine($"{DateTime.Now} :: Exception: {exception.Message}");
}
}
}
}
The class I'm sending:
namespace MassTransit.MultipleBus.ServiceBus.Models.Commands
{
public class EnviarExemploPocAzureServiceBusCommand
{
public EnviarExemploPocAzureServiceBusCommand(Guid msgId, Guid convId, Proposta msg)
{
MessageId = msgId.ToString();
ConversationId = convId.ToString();
MessageType = new[]
{
"urn:message:MassTransit.MultipleBus.ServiceBus.Models.Commands:Proposta"
};
Message = msg;
SourceAddress = "";
DestinationAddress = "sb://organization.servicebus.windows.net/topic";
}
public string DestinationAddress { get; set; }
public string MessageId { get; set; }
public string ConversationId { get; set; }
public string SourceAddress { get; set; }
public HostInfo Host { get; set; }
public IDictionary<string, object> Headers { get; set; }
public Proposta Message { get; set; }
public string[] MessageType { get; set; }
}
public class Proposta
{
public Proposta()
{
Nome = "TESTE 2";
AcaoId = 2;
Mensagem = "TESTE 2";
}
public string Nome { get; set; }
public int AcaoId { get; set; }
public string Mensagem { get; set; }
}
public class HostInfo
{
public HostInfo()
{
MachineName = "NOTEXXXXX";
ProcessName = "iisexpress";
ProcessId = 34188;
Assembly = "MassTransit.MultipleBus";
AssemblyVersion = "1.0.0.0";
FrameworkVersion = "3.1.5";
MassTransitVersion = "7.0.2.0";
OperatingSystemVersion = "Microsoft Windows NT 10.0.19041.0";
}
public string MachineName { get; set; }
public string ProcessName { get; set; }
public int ProcessId { get; set; }
public string Assembly { get; set; }
public string AssemblyVersion { get; set; }
public string FrameworkVersion { get; set; }
public string MassTransitVersion { get; set; }
public string OperatingSystemVersion { get; set; }
}
}
The message queued in ServiceBus:
{
"DestinationAddress": "sb://organization.servicebus.windows.net/topic",
"MessageId": "00010000-0faa-0009-6939-08d854e183aa",
"ConversationId": "00010000-0faa-0009-69f0-08d854e183aa",
"SourceAddress": "",
"Host": {
"MachineName": "NOTEXXXXX",
"ProcessName": "iisexpress",
"ProcessId": 32608,
"Assembly": "MassTransit.MultipleBus",
"AssemblyVersion": "1.0.0.0",
"FrameworkVersion": "3.1.5",
"MassTransitVersion": "7.0.2.0",
"OperatingSystemVersion": "Microsoft Windows NT 10.0.19041.0"
},
"Headers": {
},
"Message": {
"nome": "TESTE 2",
"acaoId": 2,
"mensagem": "TESTE 2"
},
"MessageType": [
"urn:message:MassTransit.MultipleBus.ServiceBus.Models.Commands:Proposta"
]
}
The consumer startup:
services.AddMassTransit<IAzureServiceBusService>(x =>
{
x.AddConsumer<EnviarExemploPocAzureServiceBusCommandHandler>();
x.UsingAzureServiceBus((context, cfg) =>
{
cfg.UseConcurrencyLimit(serviceBusSettings.AzureServiceBusSettings.ExemploAplicacaoPocA.ConcurrencyLimit);
cfg.Host("connString", h =>
{
h.OperationTimeout = TimeSpan.FromSeconds(serviceBusSettings.AzureServiceBusSettings.ExemploAplicacaoPocA.OperationTimeout);
h.TransportType = Microsoft.Azure.ServiceBus.TransportType.AmqpWebSockets;
});
cfg.UseServiceBusMessageScheduler();
});
});
services.AddMassTransitHostedService();
services.AddSettings(configuration);
The handler:
namespace MassTransit.MultipleBus.ServiceBus.Handlers.CommandHandlers
{
public class EnviarExemploPocAzureServiceBusCommandHandler : IConsumer<Proposta>
{
public async Task Consume(ConsumeContext<Proposta> context)
{
await Task.CompletedTask;
}
}
public class EnviarExemploPocAzureServiceBusFaultCommandHandler : IConsumer<Fault<EnviarExemploPocAzureServiceBusCommand>>
{
public async Task Consume(ConsumeContext<Fault<EnviarExemploPocAzureServiceBusCommand>> context)
{
await Task.CompletedTask;
}
}
}
When I send the message using MassTransit as well, the consumer works and the message is queued like:
{
"messageId": "00010000-0faa-0009-6497-08d854edbfe1",
"conversationId": "00010000-0faa-0009-3b83-08d854edbfe5",
"sourceAddress": "sb://organization.servicebus.windows.net/XXXX",
"destinationAddress": "sb://organization.servicebus.windows.net/topic",
"messageType": [
"urn:message:MassTransit.MultipleBus.ServiceBus.Models.Commands:Proposta"
],
"message": {
"nome": "TESTE DOIS",
"acaoId": 2,
"mensagem": "TESTE DOIS"
},
"sentTime": "2020-09-09T18:25:37.6127127Z",
"headers": {
"MT-Activity-Id": "|1e87ff49-4beb56732bfd4887.3."
},
"host": {
"machineName": "NOTEXXXXXX",
"processName": "iisexpress",
"processId": 37092,
"assembly": "MassTransit.MultipleBus",
"assemblyVersion": "1.0.0.0",
"frameworkVersion": "3.1.5",
"massTransitVersion": "7.0.2.0",
"operatingSystemVersion": "Microsoft Windows NT 10.0.19041.0"
}
}
What am I doing wrong?
The namespace seems to be correct, I did everything I found about it and I can't make it work.
Can someone help me?