作者:jiankunking 出处:http://blog.csdn.net/jiankunking
在Windows Server 2008中的IIS服务器中部署WCF服务程序时,通过浏览器访问报出如下错误:
“/TestService”应用程序中的服务器错误。 未能从程序集“System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089”中加载类型“System.ServiceModel.Activation.HttpModule”。 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.TypeLoadException: 未能从程序集“System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089”中加载类型“System.ServiceModel.Activation.HttpModule”。 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: [TypeLoadException: 未能从程序集“System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089”中加载类型“System.ServiceModel.Activation.HttpModule”。] System.RuntimeTypeHandle.GetTypeByName(String name, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMarkHandle stackMark, IntPtr pPrivHostBinder, Boolean loadTypeFromPartialName, ObjectHandleOnStack type) +0 System.RuntimeTypeHandle.GetTypeByName(String name, Boolean throwOnError, Boolean ignoreCase, Boolean reflectionOnly, StackCrawlMark& stackMark, IntPtr pPrivHostBinder, Boolean loadTypeFromPartialName) +153 System.Type.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase) +63 System.Web.Compilation.BuildManager.GetType(String typeName, Boolean throwOnError, Boolean ignoreCase) +124 System.Web.Configuration.ConfigUtil.GetType(String typeName, String propertyName, ConfigurationElement configElement, XmlNode node, Boolean checkAptcaBit, Boolean ignoreCase) +76 [ConfigurationErrorsException: 未能从程序集“System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089”中加载类型“System.ServiceModel.Activation.HttpModule”。] System.Web.Configuration.ConfigUtil.GetType(String typeName, String propertyName, ConfigurationElement configElement, XmlNode node, Boolean checkAptcaBit, Boolean ignoreCase) +12788096 System.Web.Configuration.Common.ModulesEntry.SecureGetType(String typeName, String propertyName, ConfigurationElement configElement) +69 System.Web.Configuration.Common.ModulesEntry..ctor(String name, String typeName, String propertyName, ConfigurationElement configElement) +66 System.Web.HttpApplication.BuildIntegratedModuleCollection(List`1 moduleList) +300 System.Web.HttpApplication.GetModuleCollection(IntPtr appContext) +1262 System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +133 System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +304 System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +404 System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +475 [HttpException (0x80004005): 未能从程序集“System.ServiceModel, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089”中加载类型“System.ServiceModel.Activation.HttpModule”。] System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +12981028 System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +159 System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +12820621 版本信息: Microsoft .NET Framework 版本:4.0.30319; ASP.NET 版本:4.0.30319.34280
原因:
这是因为先安装了 .NET Framework 4,随后启用了 .NET Framework 3.5 WCF HTTP 激活,则会发生此错误。
解决办法:
微软官方对该问题也作了解答:http://msdn.microsoft.com/zh-cn/library/aa751852.aspx
只需要已管理员用户在cmd中运行aspnet_regiis.exe -i即可。
C:/WINDOWS/Microsoft.NET/Framework/v4.0.30319/aspnet_regiis.exe -i