c# – 在进行API跟踪休息服务的API调用时,获取“身份验证失败,因

public virtual Core.UPSTrackingResponse.UPSTrackingResponse TrackUPS(string trackingNumber)
{
    Core.UPSTrackingRequest.UPSTrackingRequest requestModal = new Core.UPSTrackingRequest.UPSTrackingRequest();
    requestModal.UPSSecurity.ServiceAccessToken.AccessLicenseNumber = UPSAccessKey;
    requestModal.UPSSecurity.UsernameToken.Username = UPSUserId;
    requestModal.UPSSecurity.UsernameToken.Password = UPSPassword;
    requestModal.TrackRequest.InquiryNumber = trackingNumber;
    requestModal.TrackRequest.Request.RequestOption = "1";
    requestModal.TrackRequest.Request.TransactionReference.CustomerContext = trackingNumber + " tracking context";

    string Data = new JavaScriptSerializer().Serialize(requestModal);
    string response = "";
    System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(UPSTrackingURL); // https://wwwcie.ups.com/rest/Track
    request.Method = "POST";
    request.KeepAlive = false;
    request.ProtocolVersion = HttpVersion.Version10;

    request.ContentType = @"application/json";
    request.ContentLength = Data.Length;

    StreamWriter requestWriter = new StreamWriter(request.GetRequestStream(),System.Text.Encoding.ASCII);
    requestWriter.Write(Data);
    requestWriter.Close();

    try
    {
        WebResponse webResponse = request.GetResponse();
        Stream webStream = webResponse.GetResponseStream();
        StreamReader responseReader = new StreamReader(webStream);
        response = responseReader.ReadToEnd();
        Console.Out.WriteLine(response);
        responseReader.Close();
        Nop.Core.UPSTrackingResponse.UPSTrackingResponse ResponseModal =
            new JavaScriptSerializer().Deserialize<Nop.Core.UPSTrackingResponse.UPSTrackingResponse>(response);
        return ResponseModal;
    }
    catch (Exception ex)
    {
        return null;
    }
}

当我从本地机器调用它时,这工作正常.但是当我在AWS服务器上部署我的应用程序时,它一直给我以下异常.可能是什么原因,我现在被困住了.

System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a send. ---> System.IO.IOException: Authentication failed because the remote party has closed the transport stream.
   at System.Net.Security.SslState.StartReadFrame(Byte[] buffer,Int32 readBytes,AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer,AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.StartSendBlob(Byte[] incoming,Int32 count,AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst,Byte[] buffer,AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext,ContextCallback callback,Object state,Boolean preserveSyncCtx)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext,Object state)
   at System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)
   at System.Net.TlsStream.Write(Byte[] buffer,Int32 offset,Int32 size)
   at System.Net.ConnectStream.WriteHeaders(Boolean async)
   --- End of inner exception stack trace ---
   at System.Net.HttpWebRequest.GetRequestStream(TransportContext& context)
   at System.Net.HttpWebRequest.GetRequestStream()
   at Nop.Services.Shipping.ShippingService.TrackUPS(String trackingNumber)
   at Nop.Web.Controllers.OrderController.PrepareShipmentDetailsModel(Shipment shipment)
   at Nop.Web.Controllers.OrderController.ShipmentDetails(Int32 shipmentId)
   at lambda_method(Closure,ControllerBase,Object[] )
   at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext,IDictionary`2 parameters)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext,ActionDescriptor actionDescriptor,IDictionary`2 parameters)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<BeginInvokeSynchronousActionMethod>b__39(IAsyncResult asyncResult,ActionInvocation innerInvokeState)
   at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3d()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass33.<BeginInvokeActionMethodWithFilters>b__32(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<>c__DisplayClass2b.<BeginInvokeAction>b__1c()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult)
   at System.Web.Mvc.Controller.<BeginExecuteCore>b__1d(IAsyncResult asyncResult,ExecuteCoreState innerState)
   at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult)
   at System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult)
   at System.Web.Mvc.MvcHandler.<BeginProcessRequest>b__5(IAsyncResult asyncResult,ProcessRequestState innerState)
   at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult)
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step,Boolean& completedSynchronously)