尝试通过方法 ... HttpConfiguration ... 访问方法 ... DefaultFormatters ... 失败
Attempt by method ... HttpConfiguration ... to access method ... DefaultFormatters ... failed
我在进行一些项目重组后收到以下错误,我无法确定问题所在。
Server Error in '/' Application.
Attempt by method 'System.Web.Http.HttpConfiguration..ctor(System.Web.Http.HttpRouteCollection)' to access method 'System.Web.Http.HttpConfiguration.DefaultFormatters()' failed.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.MethodAccessException: Attempt by method 'System.Web.Http.HttpConfiguration..ctor(System.Web.Http.HttpRouteCollection)' to access method 'System.Web.Http.HttpConfiguration.DefaultFormatters()' failed.
Source Error:
Line 15: routes.IgnoreRoute( "{resource}.axd/{*pathInfo}" );
Line 16:
Line 17: routes.MapHttpRoute(
Line 18: name: "DefaultApi",
Line 19: routeTemplate: "api/{controller}/{action}",
Source File: c:\Dev\MyProject\Branches\Phase.2.3-Sprint 16\Client\ManagementSite\App_Start\RouteConfig.cs Line: 17
Stack Trace:
[MethodAccessException: Attempt by method 'System.Web.Http.HttpConfiguration..ctor(System.Web.Http.HttpRouteCollection)' to access method 'System.Web.Http.HttpConfiguration.DefaultFormatters()' failed.]
System.Web.Http.HttpConfiguration..ctor(HttpRouteCollection routes) +53
System.Web.Http.GlobalConfiguration.<.cctor>b__0() +54
System.Lazy`1.CreateValue() +416
System.Lazy`1.LazyInitValue() +152
System.Lazy`1.get_Value() +75
System.Web.Http.GlobalConfiguration.get_Configuration() +27
System.Web.Http.RouteCollectionExtensions.MapHttpRoute(RouteCollection routes, String name, String routeTemplate, Object defaults, Object constraints, HttpMessageHandler handler) +67
System.Web.Http.RouteCollectionExtensions.MapHttpRoute(RouteCollection routes, String name, String routeTemplate, Object defaults) +18
MyProjectManagementSite.RouteConfig.RegisterRoutes(RouteCollection routes) in c:\Dev\MyProject\Branches\Phase.2.3-Sprint 16\Client\ManagementSite\App_Start\RouteConfig.cs:17
MyProjectManagementSite.MvcApplication.Application_Start() in c:\Dev\MyProject\Branches\Phase.2.3-Sprint 16\Client\ManagementSite\Global.asax.cs:26
[HttpException (0x80004005): Attempt by method 'System.Web.Http.HttpConfiguration..ctor(System.Web.Http.HttpRouteCollection)' to access method 'System.Web.Http.HttpConfiguration.DefaultFormatters()' failed.]
System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app) +9905705
System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +118
System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +172
System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +336
System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +296
[HttpException (0x80004005): Attempt by method 'System.Web.Http.HttpConfiguration..ctor(System.Web.Http.HttpRouteCollection)' to access method 'System.Web.Http.HttpConfiguration.DefaultFormatters()' failed.]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +9885060
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +101
System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +254
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.34009
我将所有项目绑定到 .Net 4.5,并将 Newtonsoft Json.Net 全面设置为 6.0.1(而不是最新的 6.0.7)。当我构建我的 web 项目时,我收到警告 "Found conflicts between different versions of the same dependent assembly",如果我运行一些借来的代码来列出那些潜在的冲突,那么 Newtonsoft 的 4.5 版和 6.0 版之间似乎可能存在冲突:
Possible conflicts for System.Net.Http:
System.Net.Http.Formatting references System.Net.Http, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
System.ServiceModel references System.Net.Http, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
System.Web.Http references System.Net.Http, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
System.Web.Http.WebHost references System.Net.Http, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
MyProjectManagementSite references System.Net.Http, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
MyProjectManagementSite references System.Net.Http, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Possible conflicts for Newtonsoft.Json:
System.Net.Http.Formatting references Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed
System.Web.Http references Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed
MyProject.Base references Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed
MyProjectManagementSite references Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed
以上是否显示了可能的原因,我该如何解决?
卸载 WebApi 并重新安装(通过 Nuget),问题消失了
很可能是版本控制问题,我遇到了同样的问题并通过将 Microsoft.AspNet.WebApi.WebHost
包更新到最新版本得到解决
我在进行一些项目重组后收到以下错误,我无法确定问题所在。
Server Error in '/' Application.
Attempt by method 'System.Web.Http.HttpConfiguration..ctor(System.Web.Http.HttpRouteCollection)' to access method 'System.Web.Http.HttpConfiguration.DefaultFormatters()' failed.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.MethodAccessException: Attempt by method 'System.Web.Http.HttpConfiguration..ctor(System.Web.Http.HttpRouteCollection)' to access method 'System.Web.Http.HttpConfiguration.DefaultFormatters()' failed.
Source Error:
Line 15: routes.IgnoreRoute( "{resource}.axd/{*pathInfo}" );
Line 16:
Line 17: routes.MapHttpRoute(
Line 18: name: "DefaultApi",
Line 19: routeTemplate: "api/{controller}/{action}",
Source File: c:\Dev\MyProject\Branches\Phase.2.3-Sprint 16\Client\ManagementSite\App_Start\RouteConfig.cs Line: 17
Stack Trace:
[MethodAccessException: Attempt by method 'System.Web.Http.HttpConfiguration..ctor(System.Web.Http.HttpRouteCollection)' to access method 'System.Web.Http.HttpConfiguration.DefaultFormatters()' failed.]
System.Web.Http.HttpConfiguration..ctor(HttpRouteCollection routes) +53
System.Web.Http.GlobalConfiguration.<.cctor>b__0() +54
System.Lazy`1.CreateValue() +416
System.Lazy`1.LazyInitValue() +152
System.Lazy`1.get_Value() +75
System.Web.Http.GlobalConfiguration.get_Configuration() +27
System.Web.Http.RouteCollectionExtensions.MapHttpRoute(RouteCollection routes, String name, String routeTemplate, Object defaults, Object constraints, HttpMessageHandler handler) +67
System.Web.Http.RouteCollectionExtensions.MapHttpRoute(RouteCollection routes, String name, String routeTemplate, Object defaults) +18
MyProjectManagementSite.RouteConfig.RegisterRoutes(RouteCollection routes) in c:\Dev\MyProject\Branches\Phase.2.3-Sprint 16\Client\ManagementSite\App_Start\RouteConfig.cs:17
MyProjectManagementSite.MvcApplication.Application_Start() in c:\Dev\MyProject\Branches\Phase.2.3-Sprint 16\Client\ManagementSite\Global.asax.cs:26
[HttpException (0x80004005): Attempt by method 'System.Web.Http.HttpConfiguration..ctor(System.Web.Http.HttpRouteCollection)' to access method 'System.Web.Http.HttpConfiguration.DefaultFormatters()' failed.]
System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app) +9905705
System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +118
System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +172
System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +336
System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +296
[HttpException (0x80004005): Attempt by method 'System.Web.Http.HttpConfiguration..ctor(System.Web.Http.HttpRouteCollection)' to access method 'System.Web.Http.HttpConfiguration.DefaultFormatters()' failed.]
System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +9885060
System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +101
System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +254
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.34009
我将所有项目绑定到 .Net 4.5,并将 Newtonsoft Json.Net 全面设置为 6.0.1(而不是最新的 6.0.7)。当我构建我的 web 项目时,我收到警告 "Found conflicts between different versions of the same dependent assembly",如果我运行一些借来的代码来列出那些潜在的冲突,那么 Newtonsoft 的 4.5 版和 6.0 版之间似乎可能存在冲突:
Possible conflicts for System.Net.Http:
System.Net.Http.Formatting references System.Net.Http, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
System.ServiceModel references System.Net.Http, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
System.Web.Http references System.Net.Http, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
System.Web.Http.WebHost references System.Net.Http, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
MyProjectManagementSite references System.Net.Http, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
MyProjectManagementSite references System.Net.Http, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a
Possible conflicts for Newtonsoft.Json:
System.Net.Http.Formatting references Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed
System.Web.Http references Newtonsoft.Json, Version=4.5.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed
MyProject.Base references Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed
MyProjectManagementSite references Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed
以上是否显示了可能的原因,我该如何解决?
卸载 WebApi 并重新安装(通过 Nuget),问题消失了
很可能是版本控制问题,我遇到了同样的问题并通过将 Microsoft.AspNet.WebApi.WebHost
包更新到最新版本得到解决