我有许多WCF
服务,在IIS
专用服务器上运行。这些服务有他们的客户。总而言之,它可以工作,但是每当我在客户端级别查找日志时,我通常会看到以下类型的错误:
System.ServiceModel.EndpointNotFoundException: There was no endpoint listening at <Service URL> that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details.
---> System.Net.WebException: Unable to connect to the remote server
---> System.Net.Sockets.SocketException: A socket operation was attempted to an unreachable network <Service IP>:80
at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
at System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Int32 timeout, Exception& exception)
--- End of inner exception stack trace ---
at System.Net.HttpWebRequest.GetRequestStream(TransportContext& context)
at System.Net.HttpWebRequest.GetRequestStream()
at System.ServiceModel.Channels.HttpOutput.WebRequestHttpOutput.GetOutputStream()
--- End of inner exception stack trace ---
Server stack trace:
at System.ServiceModel.Channels.HttpOutput.WebRequestHttpOutput.GetOutputStream()
at System.ServiceModel.Channels.HttpOutput.Send(TimeSpan timeout)
at System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelRequest.SendRequest(Message message, 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)
但在那之后,同样的程序将发送可以正常工作的请求。
这是WCF
服务的配置:
<netTcpBinding>
<binding name="config" closeTimeout="0:5:0" openTimeout="0:5:0" sendTimeout="0:5:0" receiveTimeout="0:5:0"
maxBufferPoolSize="8388608" maxBufferSize="8388608" maxReceivedMessageSize="8388608" maxConnections="8388608">
<readerQuotas maxArrayLength="8388608" maxNameTableCharCount="8388608" maxStringContentLength="8388608"/>
<security mode="None"/>
</binding>
</netTcpBinding>
和
<basicHttpBinding>
<binding name="config2" closeTimeout="0:5:0" openTimeout="0:5:0" sendTimeout="0:5:0" receiveTimeout="0:5:0"
maxBufferPoolSize="838860800" maxBufferSize="838860800" maxReceivedMessageSize="838860800">
<readerQuotas maxArrayLength="838860800" maxNameTableCharCount="838860800" maxStringContentLength="838860800"/>
<security mode="None"/>
</binding>
</basicHttpBinding>
服务行为:
<behavior>
<!-- To avoid disclosing metadata information, set the value below to false and remove the metadata endpoint above before deployment -->
<serviceMetadata httpGetEnabled="false"/>
<!-- To receive exception details in faults for debugging purposes, set the value below to true. Set to false before deployment to avoid disclosing exception information -->
<serviceDebug includeExceptionDetailInFaults="false"/>
<dataContractSerializer maxItemsInObjectGraph="838860800"/>
</behavior>
我认为同时连接的数量可能在某个地方存在限制。或者可能是IIS
设置中的某些内容或WCF
服务配置中的某些内容。但我找不到什么和在哪里。
此外,NetTcpBinding
配置有一个属性MaxConnection
,但basicHttpBinding
没有。
非常感谢您的帮助!