WCF项目中的rabbitMQ返回错误，但可在同一台PC上的同一控制台项目中使用

问题描述

我正在尝试从wcf（4.5.2 .net framework）项目发布消息，如您所见：

public Int64 FindChargeByOrganization(string id)
        {
            var factory = new ConnectionFactory() { HostName = "localhost",UserName = "symfa",Password = "123qweQWE@" };
            using (var connection = factory.CreateConnection())
            using (var channel = connection.CreateModel())
            {
                channel.QueueDeclare(queue: "symfa_queue",durable: false,exclusive: false,autoDelete: false,arguments: null);

                string message = "Hello World!";
                var body = Encoding.UTF8.GetBytes(message);

                channel.Basicpublish(exchange: "",routingKey: "symfa_queue",basicProperties: null,body: body);
             
            }

            return 1;
        }
@H_502_5@
当我调用URL时，出现此错误：
RabbitMQ.Client.Exceptions.brokerUnreachableException: 'None of the specified endpoints were reachable'
IOException: connection.start was never received,likely due to a network timeout
This exception was originally thrown at this call stack:
    RabbitMQ.Client.Framing.Impl.Connection.StartAndTune()
    RabbitMQ.Client.Framing.Impl.Connection.Open(bool)
    RabbitMQ.Client.Framing.Impl.Connection.Connection(RabbitMQ.Client.IConnectionFactory,bool,RabbitMQ.Client.Impl.IFrameHandler,string)
    RabbitMQ.Client.Framing.Impl.AutorecoveringConnection.Init(RabbitMQ.Client.Impl.IFrameHandler)
    RabbitMQ.Client.Framing.Impl.AutorecoveringConnection.Init(RabbitMQ.Client.IEndpointResolver)
    RabbitMQ.Client.ConnectionFactory.CreateConnection(RabbitMQ.Client.IEndpointResolver,string)
@H_502_5@
 

但是，当我在带有netframework 4.5.2的控制台应用程序中调用此代码时，它会起作用。

 
 



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