打开 WCF 服务主机连接时出错

Question

我无法打开我的 ServicHost 的连接。我最初使用它工作的 8080 端口 before.But 现在它不工作了。我发现我的 App.Conifg.Please 有一些错误（如下）让我知道错误在哪里。

这是一个简单的 EmployeeWCF 演示应用，带有 IEmployeeService 接口和 EmployeeService class。

App.Config

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <startup> 
        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
    </startup>
  <system.serviceModel>
    <services>
      <service name="EmployeeWCFService.EmployeeService" behaviorConfiguration="mexBehaviour">
        <endpoint name ="httpBind" address="EmployeeService" binding="basicHttpBinding" contract="EmployeeWCFService.IEmployeeService" ></endpoint>
        <endpoint name ="netTcpBind" address="EmployeeService" binding="netHttpBinding" contract="EmployeeWCFService.IEmployeeService" ></endpoint>
        <endpoint name="mexBind" address="mex" binding="mexHttpBinding" contract="IMetadataExchange" ></endpoint>
        <host>
          <baseAddresses>
            <add baseAddress="http://localhost:9090"/>
            <add baseAddress="net.tcp://localhost:9093"/>
          </baseAddresses>
        </host>
      </service>

    </services>

    <behaviors>
      <serviceBehaviors>
        <behavior name="mexBehaviour">
          <serviceMetadata httpsGetEnabled="true" />
        </behavior>
      </serviceBehaviors>
    </behaviors>

  </system.serviceModel>
</configuration>

控制台代码：

class Program
    {
        static void Main(string[] args)
        {
            using (ServiceHost host = new ServiceHost(typeof(EmployeeWCFService.EmployeeService)))
            {
                host.Open();
                Console.WriteLine("The connection host is opened at the time " + DateTime.Now);
                Console.ReadLine();
            }
        }
    }

我在打开 WCF Servicehost 时遇到的错误：

Additional information: A binding instance has already been associated to listen URI 'http://localhost:9090/EmployeeService'. If two endpoints want to share the same ListenUri, they must also share the same binding object instance. The two conflicting endpoints were either specified in AddServiceEndpoint() calls, in a config file, or a combination of AddServiceEndpoint() and config.

Answer 1

您的配置文件中可能有错字。第二个服务端点应该使用 NetTcpBinding 而不是 NetHttpBinding，这会导致两个服务端点具有相同的侦听 uri 地址。
如果问题仍然存在，请随时与我联系。

打开 WCF 服务主机连接时出错

Error while opening WCF service host connection

port

wcf

binding

App.Config

控制台代码：

我在打开 WCF Servicehost 时遇到的错误：