自托管Wcf在调用时提供wsdl但404

Question

自托管Wcf在调用时提供wsdl但404

Bas*_*sic 8 c# wcf soap wsdl web-services

我正在尝试自我托管一个服务的单例实例,我显然在间接层面迷失了......

我有一个基地址http://localhost:8050/.只要它是可预测的,我就不会对服务端点的位置感到困扰.目前,我正在尝试使用/Manage/.

我可以浏览到基地址并查看wsdl.如果我扫描wsdl,它指向/Manage/..

<wsdl:service name="EngineService">
    <wsdl:port name="BasicHttpBinding_IEngineService" binding="tns:BasicHttpBinding_IEngineService">
        <soap:address location="http://localhost:8050/Manage/"/>
    </wsdl:port>
</wsdl:service>

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当我使用WcfTestClient使用wsdl时,它会列出所有正确的方法,但是调用它们中的任何一个会抛出以下异常

System.ServiceModel.EndpointNotFoundException:没有端点侦听http:// localhost:8050/Manage可以接受该消息.这通常是由错误的地址或SOAP操作引起的.有关更多详细信息,请参阅InnerException(如果存在).

Server stack trace: 
   at System.ServiceModel.Channels.HttpChannelUtilities.ProcessGetResponseWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)
   at System.ServiceModel.Channels.HttpChannelFactory`1.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)
   at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout)
   at System.ServiceModel.Dispatcher.RequestChannelBinder.Request(Message message, TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
   at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)

Exception rethrown at [0]: 
   at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
   at IEngineService.SupportedAgents()
   at EngineServiceClient.SupportedAgents()

Inner Exception:
The remote server returned an error: (404) Not Found.
   at System.Net.HttpWebRequest.GetResponse()
   at System.ServiceModel.Channels.HttpChannelFactory`1.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)

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日志消息显示我的实例方法永远不会被调用.该服务不会进入故障状态,只是看起来不存在.

我正在听如下:

    public static ServiceHost Listen<TServiceContract>(
            TServiceContract instance,
            int port,
            string name
        ) {

        //Added this for debugging, was previously just "name"
        string endpoint = String.Format("http://localhost:{0}/{1}/", port, name);

        var svcHost = new ServiceHost(
            instance,
            new Uri[] { new Uri(String.Format("http://localhost:{0}/", port)) });

        /* Snip: Add a Faulted handler but it's never called */

        ServiceEndpoint serviceHttpEndpoint = svcHost.AddServiceEndpoint(
            typeof(TServiceContract),
            new BasicHttpBinding {
                HostNameComparisonMode = HostNameComparisonMode.WeakWildcard
            }, endpoint); /*Using name instead of endpoint makes no difference beyond removing the trailing slash */

        /* Snip: Add a ServiceDebugBehavior with IncludeExceptionDetailInFaults = true */
        /* Snip: Add a ServiceMetadataBehavior with HttpGetEnabled = true */

        try {
            log.Trace("Opening endpoint");
            svcHost.Open();
        } catch () {
            /* Lots of catches for different problems including Exception
             * None of them get hit */
        }


        log.Info("Service contract {0} ready at {1}", typeof(TServiceContract).Name, svcHost.BaseAddresses.First());
        return svcHost;

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并调用Listen()方法如下:

        IEngineService wcfInstance = Resolver.Resolve<IEngineService>();
        service = WcfHoster.Listen(wcfInstance, 8050, "Manage");

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如何进一步追踪问题/调试？

附加信息:服务合同和最小化实施:

[ServiceContract]
interface IEngineService {
    [OperationContract]
    List<string> Agents();

    [OperationContract]
    string Test();

    [OperationContract]
    List<string> SupportedAgents();

    [OperationContract]
    string Connect(string AgentStrongName, string Hostname);
}

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并实施:

[ServiceBehavior(InstanceContextMode = InstanceContextMode.Single)]
class EngineService : IEngineService {
    IAgentManager agentManager;
    public EngineService(IAgentManager AgentManager) {
        log.Debug("Engine webservice instantiating");
        this.agentManager = AgentManager;
    }

    public string Connect(string AgentStrongName, string Hostname) {
        log.Debug("Endpoint requested for [{0}], [{1}]", Hostname, AgentStrongName);
        return agentManager.GetSession(AgentStrongName, Hostname);
    }

    public List<string> Agents() {
        log.Debug("Current agents queried");
        throw new NotImplementedException();
    }

    public List<string> SupportedAgents() {
        log.Debug("Supported agents queried");
        return agentManager.SupportedAgents().ToList();
    }

    public string Test() {
        log.Warn("Test query");
        return "Success!";
    }
}

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测试客户端可以看到服务和方法,但是当我单击Invoke时会抛出上面的异常...

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