從本地WCF服務在GET / POST到https上的SocketException 16010

Question

我正在編寫本地C＃WCF服務。 我可以正常工作，除了需要與https api交互的地方。 每當我嘗試獲取/發布到https時，我都會得到一個socketexception（16010）（可以與http調用正常工作）

例：

    private async void test()
    {
        var client = new System.Net.Http.HttpClient();

        //The next line works just fine, I get a response back
        var r = await client.GetAsync("http://www.google.com/appsstatus/rss/en");
        HttpContent responseContent = r.Content;

        //SOCKETEXCEPTION 16010 at next line
        var r2 = await client.GetAsync("https://www.google.com/appsstatus/rss/en");           
        HttpContent responseContent2 = r2.Content;
    }

當我通過Visual Studio調試器（iis express）運行我的服務時，以及在我的憑據上運行有應用程序池的本地完整IIS服務器上托管該服務時，都會發生這種情況。

我不確定如何開始追逐這一步。 任何指針將不勝感激。

異常詳細信息：

System.Net.Sockets.SocketException occurred
Message: A first chance exception of type 'System.Net.Sockets.SocketException' occurred in System.dll
Additional information: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond

使用服務棧

             var a = "https://www.google.com/appsstatus/rss/en".GetXmlFromUrl();

我得到以下內容：

System.Net.Sockets.SocketException occurred
  _HResult=-2147467259
  _message=A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
  HResult=-2147467259
  IsTransient=false
  Message=A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 23.21.209.160:443
  Source=System
  ErrorCode=10060
  NativeErrorCode=10060
  StackTrace:
       at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
  InnerException: 

Answer 1

您確定您的第一個電話不是正在處理或更改client對象的狀態嗎？ 你有嘗試過嗎？

var client = new System.Net.Http.HttpClient();

    //The next line works just fine, I get a response back
    var r = await client.GetAsync("http://www.google.com/appsstatus/rss/en");
    HttpContent responseContent = r.Content;

    //SOCKETEXCEPTION 16010 at next line
    client = new System.Net.Http.HttpClient();
    var r2 = await client.GetAsync("https://www.google.com/appsstatus/rss/en");           
    HttpContent responseContent2 = r2.Content;