如何解决从一个端点向另一个端点发送命令时获取MessageDeserializationException
我试图将命令从一个端点发送到另一个端点,但是消息被丢弃在错误队列中,并且发生此错误
Could not determine message type from message header.......
NServiceBus.MessageDeserializationException: An error occurred while attempting to extract logical messages from incoming physical message 532951ea-8bcd-4ddb-9ba5-ac4c00d5c74e
---> System.Exception: Could not find Metadata for 'Newtonsoft.Json.Linq.JObject'.
这是我的命令
public class PolicyCreationRequested: ICommand
{
public Guid Id { get; set; }
public string Text { get; set; }
}
这是命令发送
public async Task Handle(PaymentRequested paymentRequested,IMessageHandlerContext context)
{
var policyCreationRequested = new PolicyCreationRequested{ Id = Guid.NewGuid(),Text = "Hello From Different Service"};
await context.Send ("---Endpoint Name---",policyCreationRequested).ConfigureAwait (false);
await _paymentService.CreateRequest(paymentRequested.PaymentRequest);
}
这是Nservicebus配置(两个服务都相同)我使用扩展方法
.UseNServiceBus(configuration =>
{
var applicationConfiguration =
ApplicationConfigurationBuilder.GetConfiguration();
return new EndpointConfiguration("---Endpoint Name---")
.UseRabbitMQTransport(configuration =>
configuration
.ConnectionString(applicationConfiguration["NServiceBus:RabbitMqTransport:ConnectionString"]))
.UseInMemoryPersistence()
.UseNewtonsoftSerialization(configuration =>
configuration
.UseMessagePackReaderAndWriterCreators())
})
我将Newtonsoft序列化与MessagePack读取器和写入器一起使用。此实现适用于相同的端点情况,但是当我尝试在不同端点之间发送命令时,会发生此错误。
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