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当我启动新的API并提出一个页面请求时,我得到以下Ninject.ActivationException抛出:
当我刷新浏览器时,这个例外消失了。我真的不明白是什么导致这个例外。从我的角度来看,在OWIN上下文和Ninject中,WebAPI几乎没有经验,很难知道问题所在。是否与Ninject …?是在OWIN吗?是否在WebAPI …?
这是我的Startup.cs文件的内容:
using System.Web.http; using LHD.API_2; using Microsoft.owin; using Microsoft.owin.Security.oAuth; using Ninject.Web.Common.owinHost; using Ninject.Web.WebApi.owinHost; using Owin; [assembly: OwinStartup(typeof(Startup))] namespace LHD.API_2 { public class Startup { public void Configuration(IAppBuilder app) { httpConfiguration config = new httpConfiguration(); // Web API configuration and services // Configure Web API to use only bearer token authentication. config.SuppressDefaultHostAuthentication(); config.Filters.Add(new HostAuthenticationFilter(OAuthDefaults.AuthenticationTypE)); // Web API routes config.MaphttpAttributeRoutes(); config.Routes.MaphttpRoute("API Default","api/1/{Controller}/{action}/{iD}",new { id = RouteParameter.optional }); app.UseNinjectMiddleware(() => NinjectConfig.CreateKernel.value); app.UseNinjectWebApi(config); } } }
这是我的NinjectConfig.cs文件的内容:
using System; using System.Reflection; using Ninject; namespace LHD.API_2 { public static class NinjectConfig { public static Lazy<IKernel> CreateKernel = new Lazy<IKernel>(() => { StandardKernel kernel = new StandardKernel(); kernel.Load(Assembly.GetExecuTingAssembly()); Registerservices(kernel); return kernel; }); private static void Registerservices(KernelBase kernel) { // TODO - put in registrations here... //kernel.bind<IFakeservice>().To<Fakeservice>(); } } }
这是我的packages.config的内容:
<?xml version="1.0" encoding="utf-8"?> <packages> <package id="Microsoft.AspNet.WebApi" version="5.0.0" targetFramework="net451" /> <package id="Microsoft.AspNet.WebApi.Client" version="5.2.3" targetFramework="net451" /> <package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net451" /> <package id="Microsoft.AspNet.WebApi.owin" version="5.2.3" targetFramework="net451" /> <package id="Microsoft.AspNet.WebApi.WebHost" version="5.0.0" targetFramework="net451" /> <package id="Microsoft.owin" version="3.0.1" targetFramework="net451" /> <package id="Microsoft.owin.Host.SystemWeb" version="3.0.1" targetFramework="net451" /> <package id="Newtonsoft.Json" version="6.0.4" targetFramework="net451" /> <package id="Ninject" version="3.2.0.0" targetFramework="net451" /> <package id="Ninject.Extensions.ContextPreservation" version="3.2.0.0" targetFramework="net451" /> <package id="Ninject.Extensions.NamedScope" version="3.2.0.0" targetFramework="net451" /> <package id="Ninject.Web.Common" version="3.2.0.0" targetFramework="net451" /> <package id="Ninject.Web.Common.owinHost" version="3.2.3.0" targetFramework="net451" /> <package id="Ninject.Web.WebApi" version="3.2.0.0" targetFramework="net451" /> <package id="Ninject.Web.WebApi.owinHost" version="3.2.4.0" targetFramework="net451" /> <package id="Owin" version="1.0" targetFramework="net451" /> </packages>
…为了完整起见,我的web.config的内容同样是不明确的:
<?xml version="1.0" encoding="utf-8"?> <!-- For more information on how to configure your ASP.NET application,please visit http://go.microsoft.com/fwlink/?LinkId=169433 --> <configuration> <system.web> <compilation debug="true" targetFramework="4.5.1" /> <httpRuntime targetFramework="4.5.1" /> </system.web> <runtime> <assemblyBinding xmlns="urn:scheR_338_11845@as-microsoft-com:asm.v1"> <dependentAssembly> <assemblyIdentity name="Microsoft.owin" publicKeyToken="31bf3856ad364e35" culture="neutral" /> <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0" /> </dependentAssembly> <dependentAssembly> <assemblyIdentity name="System.Web.http" publicKeyToken="31bf3856ad364e35" culture="neutral" /> <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" /> </dependentAssembly> <dependentAssembly> <assemblyIdentity name="System.Web.http.owin" publicKeyToken="31bf3856ad364e35" culture="neutral" /> <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" /> </dependentAssembly> <dependentAssembly> <assemblyIdentity name="System.Net.http.FormatTing" publicKeyToken="31bf3856ad364e35" culture="neutral" /> <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" /> </dependentAssembly> </assemblyBinding> </runtime> <system.webServer> <handlers> <remove name="ExtensionlessUrlHandler-Integrated-4.0" /> <remove name="OPTIONSVerbHandler" /> <remove name="TRACEVerbHandler" /> <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferrequestHandler" preCondition="integratedMode,runtimeVersionv4.0" /> </handlers> </system.webServer> </configuration>
任何人都可以指出我在做错什么,或者更重要的是,我可以改变什么来使事情工作,而不会被抛出异常?
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