“/”应用程序中的服务器错误。

值不能为 null。
参数名: input

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: System.ArgumentNullException: 值不能为 null。
参数名: input

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:


[ArgumentNullException: 值不能为 null。
参数名: input]
   System.Text.RegularExpressions.Regex.IsMatch(String input) +8099423
   System.Text.RegularExpressions.Regex.IsMatch(String input, String pattern, RegexOptions options) +101
   Orchard.Themes.Services.MobileThemeSelector.IsVisitedByMobile() +134
   Orchard.Themes.Services.MobileThemeSelector.GetTheme(RequestContext context) +16
   System.Linq.WhereSelectArrayIterator`2.MoveNext() +80
   System.Linq.WhereEnumerableIterator`1.MoveNext() +196
   System.Linq.Buffer`1..ctor(IEnumerable`1 source) +153
   System.Linq.<GetEnumerator>d__1.MoveNext() +229
   System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) +452
   System.Linq.Enumerable.ToList(IEnumerable`1 source) +70
   Orchard.Themes.ThemeManager.GetRequestTheme(RequestContext requestContext) +467
   Orchard.Themes.CurrentThemeWorkContext.Get(String name) +214
   System.Linq.WhereSelectArrayIterator`2.MoveNext() +80
   System.Linq.Enumerable.FirstOrDefault(IEnumerable`1 source, Func`2 predicate) +200
   Orchard.Environment.WorkContextImplementation.FindResolverForState(String name) +443
   System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key, Func`2 valueFactory) +84
   Orchard.Environment.WorkContextImplementation.GetState(String name) +109
   Orchard.Mvc.ViewEngines.ThemeAwareness.ThemedViewResultFilter.OnResultExecuting(ResultExecutingContext filterContext) +77
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +236
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +833
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +833
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +833
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +833
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +833
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +833
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +833
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +81
   System.Web.Mvc.Async.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult) +186
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +38
   System.Web.Mvc.Controller.<BeginExecuteCore>b__1d(IAsyncResult asyncResult, ExecuteCoreState innerState) +29
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +65
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +53
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +36
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +38
   System.Web.Mvc.MvcHandler.<BeginProcessRequest>b__5(IAsyncResult asyncResult, ProcessRequestState innerState) +44
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +65
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +38
   System.Threading.Tasks.TaskFactory`1.FromAsyncCoreLogic(IAsyncResult iar, Func`2 endFunction, Action`1 endAction, Task`1 promise, Boolean requiresSynchronization) +77
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +13847892
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +61
   Orchard.Mvc.Routes.<<ProcessRequestAsync>b__0>d.MoveNext() +429
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +13847892
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +61
   Orchard.Owin.<<UseOrchard>b__0_0>d.MoveNext() +322
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +13847892
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +61
   Orchard.Mvc.Routes.<ProcessRequestAsync>d__5.MoveNext() +576
   System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +13847892
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +61
   System.Web.TaskAsyncHelper.EndTask(IAsyncResult ar) +69
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +399
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +137


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.6.1055.0
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