为什么收到“此流不支持超时”。

Question

我在调用提供数据的Web服务时间歇性地得到这些信息。错误似乎来自WCF的深处，并且隐藏了实际错误。我在服务器端看不到任何问题。 stacktrace表示它正在尝试处理响应，但是崩溃而引发此消息。我没有使用流。 从.NET源看，似乎WebResponseInputStream.Read（..）正在处理试图调用ReadTimeout的WebException超时？！

这是堆栈跟踪：

    at System.IO.Stream.get_ReadTimeout()     
    at System.ServiceModel.Channels.HttpInput.WebResponseHttpInput.WebResponseInputStream.Read(Byte[] buffer, Int32 offset, Int32 count)     
    at System.ServiceModel.Channels.MessageEncoder.BufferMessageStream(Stream stream, BufferManager bufferManager, Int32 maxBufferSize)     
    at System.ServiceModel.Channels.MessageEncoder.ReadMessage(Stream stream, BufferManager bufferManager, Int32 maxBufferSize, String contentType)     
    at System.ServiceModel.Channels.HttpInput.ReadChunkedBufferedMessage(Stream inputStream)     
    at System.ServiceModel.Channels.HttpInput.ParseIncomingMessage(HttpRequestMessage httpRequestMessage, Exception& requestException)     
    at System.ServiceModel.Channels.HttpChannelFactory1.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)     
    at System.ServiceModel.Channels.RequestChannel.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 EAB.Premium.Shared.Data.Interfaces.IBulkLoaderService.GetUsers(Nullable`1 fromHistory)