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asp.net-mvc-3 – IIS7中的NLog在发布模式下失败

发布时间:2020-12-16 03:21:12 所属栏目:asp.Net 来源:网络整理
导读:编辑:正如Kirk Woll正确指出的那样,问题是NLog,而不是NInject.那么让我重新解释一下这个问题: 编辑2:现在我知道NLog是一个IoC问题,我在ASP.NET MVC2 + Ninject + NLog (+ shared hosting?) = NullReferenceException找到了解决方案 我有一个项目正在使用N
编辑:正如Kirk Woll正确指出的那样,问题是NLog,而不是NInject.那么让我重新解释一下这个问题:

编辑2:现在我知道NLog是一个IoC问题,我在ASP.NET MVC2 + Ninject + NLog (+ shared hosting?) = NullReferenceException找到了解决方案

我有一个项目正在使用NInject通过ILogger接口将NLogger类注入到我的所有控制器中. Steven,为了回答你的问题以保持我的web.config干净,我使用了一个NLog.Config文件来分离出那个配置.

当我在调试模式下定位IIS7时,代码可以正常工作,但在发布模式下,我得到以下堆栈跟踪.

如果有人知道为什么在调试模式下代码可以工作,为什么在发布它不会,它会非常感激.我还在下面包含了我的NLog配置文件.

<?xml version="1.0"?>
<nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <targets>
    <target name="console" xsi:type="ColoredConsole" 
            layout="${date:format=HH:mm:ss}|${level}|${stacktrace}|${message}" />
    <target name="file" xsi:type="File" fileName="${basedir}/App_Data//Logs/site.log" 
            layout="${date}: ${message}" />
    <target name="eventlog" xsi:type="EventLog" 
            source="Template" 
            log="Application"
            layout="${date}: ${message} ${stacktrace}" />
  </targets>
  <rules>
    <logger name="*" minlevel="Info" writeTo="file" />
    <logger name="*" minlevel="Fatal" writeTo="eventlog" />        
  </rules>
</nlog>

堆栈跟踪:

[NullReferenceException: Object reference not set to an instance of an object.]
   NLog.LogManager.GetCurrentClassLogger() +84
   DynamicInjectorc5f536e7a4564738b2e779e62f9c20c7(Object[] ) +40
   Ninject.Activation.Providers.StandardProvider.Create(IContext context) in c:ProjectsNinjectMaintenance2.2ninjectsrcNinjectActivationProvidersStandardProvider.cs:81
   Ninject.Activation.Context.Resolve() in c:ProjectsNinjectMaintenance2.2ninjectsrcNinjectActivationContext.cs:157
   Ninject.KernelBase.<Resolve>b__7(IContext context) in c:ProjectsNinjectMaintenance2.2ninjectsrcNinjectKernelBase.cs:375
   System.Linq.<>c__DisplayClass12`3.<CombineSelectors>b__11(TSource x) +32
   System.Linq.WhereSelectEnumerableIterator`2.MoveNext() +151
   System.Linq.Enumerable.SingleOrDefault(IEnumerable`1 source) +4222965
   Ninject.Planning.Targets.Target`1.GetValue(Type service,IContext parent) in c:ProjectsNinjectMaintenance2.2ninjectsrcNinjectPlanningTargetsTarget.cs:179
   Ninject.Planning.Targets.Target`1.ResolveWithin(IContext parent) in c:ProjectsNinjectMaintenance2.2ninjectsrcNinjectPlanningTargetsTarget.cs:147
   Ninject.Activation.Providers.StandardProvider.GetValue(IContext context,ITarget target) in c:ProjectsNinjectMaintenance2.2ninjectsrcNinjectActivationProvidersStandardProvider.cs:97
   Ninject.Activation.Providers.<>c__DisplayClass2.<Create>b__1(ITarget target) in c:ProjectsNinjectMaintenance2.2ninjectsrcNinjectActivationProvidersStandardProvider.cs:81
   System.Linq.WhereSelectArrayIterator`2.MoveNext() +85
   System.Linq.Buffer`1..ctor(IEnumerable`1 source) +217
   System.Linq.Enumerable.ToArray(IEnumerable`1 source) +78
   Ninject.Activation.Providers.StandardProvider.Create(IContext context) in c:ProjectsNinjectMaintenance2.2ninjectsrcNinjectActivationProvidersStandardProvider.cs:81
   Ninject.Activation.Context.Resolve() in c:ProjectsNinjectMaintenance2.2ninjectsrcNinjectActivationContext.cs:157
   Ninject.KernelBase.<Resolve>b__7(IContext context) in c:ProjectsNinjectMaintenance2.2ninjectsrcNinjectKernelBase.cs:375
   System.Linq.<>c__DisplayClass12`3.<CombineSelectors>b__11(TSource x) +32
   System.Linq.WhereSelectEnumerableIterator`2.MoveNext() +151
   System.Linq.Enumerable.SingleOrDefault(IEnumerable`1 source) +4222965
   Ninject.Web.Mvc.NinjectDependencyResolver.GetService(Type serviceType) in c:ProjectsNinjectMaintenance2.2ninject.web.mvcmvc3srcNinject.Web.MvcNinjectDependencyResolver.cs:56
   System.Web.Mvc.DefaultControllerActivator.Create(RequestContext requestContext,Type controllerType) +51

[InvalidOperationException: An error occurred when trying to create a controller of type 'BossP.Controllers.HomeController'. Make sure that the controller has a parameterless public constructor.]
   System.Web.Mvc.DefaultControllerActivator.Create(RequestContext requestContext,Type controllerType) +182
   System.Web.Mvc.DefaultControllerFactory.GetControllerInstance(RequestContext requestContext,Type controllerType) +80
   System.Web.Mvc.DefaultControllerFactory.CreateController(RequestContext requestContext,String controllerName) +74
   System.Web.Mvc.MvcHandler.ProcessRequestInit(HttpContextBase httpContext,IController& controller,IControllerFactory& factory) +232
   System.Web.Mvc.<>c__DisplayClass6.<BeginProcessRequest>b__2() +49
   System.Web.Mvc.<>c__DisplayClassb`1.<ProcessInApplicationTrust>b__a() +13
   System.Web.Mvc.SecurityUtil.<GetCallInAppTrustThunk>b__0(Action f) +7
   System.Web.Mvc.SecurityUtil.ProcessInApplicationTrust(Action action) +22
   System.Web.Mvc.SecurityUtil.ProcessInApplicationTrust(Func`1 func) +124
   System.Web.Mvc.MvcHandler.BeginProcessRequest(HttpContextBase httpContext,AsyncCallback callback,Object state) +98
   System.Web.Mvc.MvcHandler.BeginProcessRequest(HttpContext httpContext,Object state) +50
   System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.BeginProcessRequest(HttpContext context,AsyncCallback cb,Object extraData) +16
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +8963444
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step,Boolean& completedSynchronously) +184

解决方法

好吧,我花了2个晚上进行调查并解决问题.最初我认为这个问题与NLog日志记录框架有关,所以我转而使用Log4Net.这很简单,因为我使用了Ninject.Extensions.Logging.但这没有帮助.

然后我更新到Ninject的预发布版本,异常消息变得更加明确:“无法确定DynamicInjectorb709a37f02d44e5a8615c5fde4e0746d的当前类”.

最后一些谷歌搜索引导我进行以下讨论:https://groups.google.com/forum/#!msg/ninject/V_bS0ykJxAA/IBnsGVnL50UJ

解决方案:“尝试使用反射,而不是使用将UseReflectionBasedInjection设置为true的NinjectSettings实例创建内核”

(编辑:李大同)

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