“/”应用程序中的服务器错误。

Unexpected character encountered while parsing value: <. Path '', line 0, position 0.

说明: 执行当前 Web 请求期间,出现未经处理的异常。请检查堆栈跟踪信息,以了解有关该错误以及代码中导致错误的出处的详细信息。

异常详细信息: Newtonsoft.Json.JsonReaderException: Unexpected character encountered while parsing value: <. Path '', line 0, position 0.

源错误:

执行当前 Web 请求期间生成了未经处理的异常。可以使用下面的异常堆栈跟踪信息确定有关异常原因和发生位置的信息。

堆栈跟踪:


[JsonReaderException: Unexpected character encountered while parsing value: <. Path '', line 0, position 0.]
   Newtonsoft.Json.JsonTextReader.ParseValue() +1317
   Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ReadForType(JsonReader reader, JsonContract contract, Boolean hasConverter) +104
   Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent) +750
   Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType) +281
   Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings) +173
   Newtonsoft.Json.JsonConvert.DeserializeObject(String value, JsonSerializerSettings settings) +61
   EcvvWebView.WebHelper.ShoppingCartClient.ProcessResponse(HttpClient client, HttpResponseMessage response) +244
   EcvvWebView.WebHelper.<ApiServicesAppProductGetbyidAsync>d__94.MoveNext() +1724
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +14139120
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +62
   System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task) +14139265
   EcvvWebView.Controllers.OrderController.ProductInfoSKU() +6237
   lambda_method(Closure , ControllerBase , Object[] ) +87
   System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +280
   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +35
   System.Web.Mvc.<>c__DisplayClass15.<InvokeActionMethodWithFilters>b__12() +80
   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) +453
   System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +663
   System.Web.Mvc.Controller.ExecuteCore() +144
   System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +92
   System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__5() +58
   System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +22
   System.Web.Mvc.<>c__DisplayClasse.<EndProcessRequest>b__d() +36
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +399
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +157


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.6.1649.1