“/”应用程序中的服务器错误。

未将对象引用设置到对象的实例。

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.NullReferenceException: 未将对象引用设置到对象的实例。

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:


[NullReferenceException: 未将对象引用设置到对象的实例。]
   NVelocity.Util.Introspection.Introspector.GetMethod(Type c, String name, Object[] parameters) +305
   NVelocity.Runtime.Parser.Node.ASTMethod.doIntrospection(IInternalContextAdapter context, Type data) +261
   NVelocity.Runtime.Parser.Node.ASTMethod.Execute(Object o, IInternalContextAdapter context) +863

[RuntimeException: Error during object instrospection. Check inner exception for details. Node literal FormatDateyyyyMMdd($!{drDetail.Sub_Date}) Line 108 Column 51]
   NVelocity.Runtime.Parser.Node.ASTMethod.Execute(Object o, IInternalContextAdapter context) +1973
   NVelocity.Runtime.Parser.Node.ASTReference.Execute(Object o, IInternalContextAdapter context) +378
   NVelocity.Runtime.Parser.Node.ASTReference.Render(IInternalContextAdapter context, TextWriter writer) +195
   NVelocity.Runtime.Parser.Node.SimpleNode.Render(IInternalContextAdapter context, TextWriter writer) +127
   NVelocity.Template.Merge(IContext context, TextWriter writer) +258
   Castle.MonoRail.Framework.Views.NVelocity.NVelocityViewEngine.Process(IRailsEngineContext context, Controller controller, String viewName) +786
   Castle.MonoRail.Framework.Services.DefaultViewEngineManager.Process(IRailsEngineContext context, Controller controller, String templateName) +286
   Castle.MonoRail.Framework.ControllerLifecycleExecutor.ProcessView() +117
   Castle.MonoRail.Framework.ControllerLifecycleExecutor.ProcessSelectedAction(IDictionary actionArgs) +1230
   Castle.MonoRail.Framework.ControllerLifecycleExecutor.ProcessSelectedAction() +40
   Castle.MonoRail.Framework.MonoRailHttpHandler.Process(IRailsEngineContext context) +960
   Castle.MonoRail.Framework.MonoRailHttpHandler.ProcessRequest(HttpContext context) +86
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +790
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +88


版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.7.3930.0