.net - NullReferenceException：对象引用未设置为对象的实例。Microsoft.AspNetCore.Http.Internal.DefaultHttpRequest.get_Query()

Question

[该项目是一个面向 .NET Framework 4.6.1 的 ASP.NET 核心项目。

在运行网站时，所有页面都可以正常工作，只是有几次它在几个页面上给出了 NullReference 异常。请让我知道是否有人遇到过这个问题以及它是如何解决的？谢谢你。我在 GitHub 上看到过一些类似的问题，但没有提供具体的解决方案。

NullReferenceException: Object reference not set to an instance of an object.
Microsoft.AspNetCore.Http.Internal.DefaultHttpRequest.get_Query()
Stack Query Cookies Headers 
NullReferenceException: Object reference not set to an instance of an object.
Microsoft.AspNetCore.Http.Internal.DefaultHttpRequest.get_Query()      
Microsoft.AspNetCore.Mvc.ModelBinding.QueryStringValueProviderFactory.CreateValue    
ProviderAsync(ValueProviderFactoryContext context)
Microsoft.AspNetCore.Mvc.ModelBinding.CompositeValueProvider.CreateAsync(ActionContext actionContext, IList<IValueProviderFactory> factories)
Microsoft.AspNetCore.Mvc.ModelBinding.CompositeValueProvider.CreateAsync(ControllerContext controllerContext)
Microsoft.AspNetCore.Mvc.Internal.ControllerBinderDelegateProvider+<>c__DisplayClass0_0+<<CreateBinderDelegate>g__Bind|0>d.MoveNext()
Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeInnerFilterAsync()
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter()
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context)
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(ref State next, ref Scope scope, ref object state, ref bool isCompleted)
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync()
Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync()
Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)
Microsoft.AspNetCore.Session.SessionMiddleware.Invoke(HttpContext context)
Microsoft.AspNetCore.Session.SessionMiddleware.Invoke(HttpContext context)
Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)
Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)

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链接

标签： .netasp.net-core-2.0.net-framework-version