创建代理实例失败并出现 COMException（IIS、Windows Server 2012、NHibernate）

【问题标题】：Creating a proxy instance failed with COMException (IIS, Windows Server 2012, NHibernate)创建代理实例失败并出现 COMException（IIS、Windows Server 2012、NHibernate）
【发布时间】：2013-10-24 16:49:30
【问题描述】：

在 NHibernate 上运行网站 4 年多。我们最近将该站点移至 Windows Server 2012 机器并将 NHibernate 更新到 3.3。 在新服务器上大约一个月后，我们开始看到以下异常

NHibernate.HibernateException: Creating a proxy instance failed ---> System.Runtime.InteropServices.COMException: Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))
at System.Reflection.Emit.AssemblyBuilder.DefineDynamicModule(RuntimeAssembly containingAssembly, Boolean emitSymbolInfo, String name, String filename, StackCrawlMarkHandle stackMark, IntPtr& pInternalSymWriter, ObjectHandleOnStack retModule, Boolean fIsTransient, Int32& tkFile)
at System.Reflection.Emit.AssemblyBuilder.DefineDynamicModuleInternalNoLock(String name, String fileName, Boolean emitSymbolInfo, StackCrawlMark& stackMark)
at System.Reflection.Emit.AssemblyBuilder.DefineDynamicModuleInternal(String name, String fileName, Boolean emitSymbolInfo, StackCrawlMark& stackMark)
at System.Reflection.Emit.AssemblyBuilder.DefineDynamicModule(String name, String fileName, Boolean emitSymbolInfo)

重新启动应用程序池可以暂时解决问题。

它大约每周发生一次，每次都会影响不同的实体，并且网站的其他部分（也使用 NHibernate）继续工作。

下面的完整堆栈跟踪：

NHibernate.HibernateException: Creating a proxy instance failed ---> System.Runtime.InteropServices.COMException: Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))
at System.Reflection.Emit.AssemblyBuilder.DefineDynamicModule(RuntimeAssembly containingAssembly, Boolean emitSymbolInfo, String name, String filename, StackCrawlMarkHandle stackMark, IntPtr& pInternalSymWriter, ObjectHandleOnStack retModule, Boolean fIsTransient, Int32& tkFile)
at System.Reflection.Emit.AssemblyBuilder.DefineDynamicModuleInternalNoLock(String name, String fileName, Boolean emitSymbolInfo, StackCrawlMark& stackMark)
at System.Reflection.Emit.AssemblyBuilder.DefineDynamicModuleInternal(String name, String fileName, Boolean emitSymbolInfo, StackCrawlMark& stackMark)
at System.Reflection.Emit.AssemblyBuilder.DefineDynamicModule(String name, String fileName, Boolean emitSymbolInfo)
at NHibernate.Proxy.DynamicProxy.DefaultProxyAssemblyBuilder.DefineDynamicModule(AssemblyBuilder assemblyBuilder, String moduleName)
at NHibernate.Proxy.DynamicProxy.ProxyFactory.CreateUncachedProxyType(Type baseType, Type[] baseInterfaces)
at NHibernate.Proxy.DynamicProxy.ProxyFactory.CreateProxyType(Type baseType, Type[] interfaces)
at NHibernate.Proxy.DynamicProxy.ProxyFactory.CreateProxy(Type instanceType, IInterceptor interceptor, Type[] baseInterfaces)
at NHibernate.Proxy.DefaultProxyFactory.GetProxy(Object id, ISessionImplementor session)
--- End of inner exception stack trace ---
at NHibernate.Proxy.DefaultProxyFactory.GetProxy(Object id, ISessionImplementor session)
at NHibernate.Tuple.Entity.AbstractEntityTuplizer.CreateProxy(Object id, ISessionImplementor session)
at NHibernate.Persister.Entity.AbstractEntityPersister.CreateProxy(Object id, ISessionImplementor session)
at NHibernate.Event.Default.DefaultLoadEventListener.CreateProxyIfNecessary(LoadEvent event, IEntityPersister persister, EntityKey keyToLoad, LoadType options, IPersistenceContext persistenceContext)
at NHibernate.Event.Default.DefaultLoadEventListener.ProxyOrLoad(LoadEvent event, IEntityPersister persister, EntityKey keyToLoad, LoadType options)
at NHibernate.Event.Default.DefaultLoadEventListener.OnLoad(LoadEvent event, LoadType loadType)
at NHibernate.Impl.SessionImpl.FireLoad(LoadEvent event, LoadType loadType)
at NHibernate.Impl.SessionImpl.InternalLoad(String entityName, Object id, Boolean eager, Boolean isNullable)
at NHibernate.Type.EntityType.ResolveIdentifier(Object id, ISessionImplementor session)
at NHibernate.Type.EntityType.ResolveIdentifier(Object value, ISessionImplementor session, Object owner)
at NHibernate.Engine.TwoPhaseLoad.InitializeEntity(Object entity, Boolean readOnly, ISessionImplementor session, PreLoadEvent preLoadEvent, PostLoadEvent postLoadEvent)
at NHibernate.Loader.Loader.InitializeEntitiesAndCollections(IList hydratedObjects, Object resultSetId, ISessionImplementor session, Boolean readOnly)
at NHibernate.Loader.Loader.DoQuery(ISessionImplementor session, QueryParameters queryParameters, Boolean returnProxies)
at NHibernate.Loader.Loader.DoQueryAndInitializeNonLazyCollections(ISessionImplementor session, QueryParameters queryParameters, Boolean returnProxies)
at NHibernate.Loader.Loader.LoadCollection(ISessionImplementor session, Object id, IType type)
at NHibernate.Loader.Collection.CollectionLoader.Initialize(Object id, ISessionImplementor session)
at NHibernate.Persister.Collection.AbstractCollectionPersister.Initialize(Object key, ISessionImplementor session)
at NHibernate.Event.Default.DefaultInitializeCollectionEventListener.OnInitializeCollection(InitializeCollectionEvent event)
at NHibernate.Impl.SessionImpl.InitializeCollection(IPersistentCollection collection, Boolean writing)
at NHibernate.Collection.AbstractPersistentCollection.Initialize(Boolean writing)
at NHibernate.Collection.AbstractPersistentCollection.Read()
at NHibernate.Collection.Generic.PersistentGenericBag`1.System.Collections.Generic.IEnumerable.GetEnumerator()
at XXX.YYY.Services.FluentMdx.Queries.PrioMatrixQuery.SetupDimensionCollector(IDimensionCollector dimensionCollector)
at lambda_method(Closure , ControllerBase , Object[] )
at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.b__12()
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) at NHibernate.Proxy.DefaultProxyFactory.GetProxy(Object id, ISessionImplementor session)
at NHibernate.Tuple.Entity.AbstractEntityTuplizer.CreateProxy(Object id, ISessionImplementor session)
at NHibernate.Persister.Entity.AbstractEntityPersister.CreateProxy(Object id, ISessionImplementor session)
at NHibernate.Event.Default.DefaultLoadEventListener.CreateProxyIfNecessary(LoadEvent event, IEntityPersister persister, EntityKey keyToLoad, LoadType options, IPersistenceContext persistenceContext)
at NHibernate.Event.Default.DefaultLoadEventListener.ProxyOrLoad(LoadEvent event, IEntityPersister persister, EntityKey keyToLoad, LoadType options)
at NHibernate.Event.Default.DefaultLoadEventListener.OnLoad(LoadEvent event, LoadType loadType)
at NHibernate.Impl.SessionImpl.FireLoad(LoadEvent event, LoadType loadType)
at NHibernate.Impl.SessionImpl.InternalLoad(String entityName, Object id, Boolean eager, Boolean isNullable)
at NHibernate.Type.EntityType.ResolveIdentifier(Object id, ISessionImplementor session)
at NHibernate.Type.EntityType.ResolveIdentifier(Object value, ISessionImplementor session, Object owner)
at NHibernate.Engine.TwoPhaseLoad.InitializeEntity(Object entity, Boolean readOnly, ISessionImplementor session, PreLoadEvent preLoadEvent, PostLoadEvent postLoadEvent)
at NHibernate.Loader.Loader.InitializeEntitiesAndCollections(IList hydratedObjects, Object resultSetId, ISessionImplementor session, Boolean readOnly)
at NHibernate.Loader.Loader.DoQuery(ISessionImplementor session, QueryParameters queryParameters, Boolean returnProxies)
at NHibernate.Loader.Loader.DoQueryAndInitializeNonLazyCollections(ISessionImplementor session, QueryParameters queryParameters, Boolean returnProxies)
at NHibernate.Loader.Loader.LoadCollection(ISessionImplementor session, Object id, IType type)
at NHibernate.Loader.Collection.CollectionLoader.Initialize(Object id, ISessionImplementor session)
at NHibernate.Persister.Collection.AbstractCollectionPersister.Initialize(Object key, ISessionImplementor session)
at NHibernate.Event.Default.DefaultInitializeCollectionEventListener.OnInitializeCollection(InitializeCollectionEvent event)
at NHibernate.Impl.SessionImpl.InitializeCollection(IPersistentCollection collection, Boolean writing)
at NHibernate.Collection.AbstractPersistentCollection.Initialize(Boolean writing)
at NHibernate.Collection.AbstractPersistentCollection.Read()
at NHibernate.Collection.Generic.PersistentGenericBag`1.System.Collections.Generic.IEnumerable.GetEnumerator()
at XXX.YYY.Services.FluentMdx.Queries.PrioMatrixQuery.SetupDimensionCollector(IDimensionCollector dimensionCollector)
at XXX.YYY.Services.FluentMdx.Queries.QueryBuilder.b__1(IDimensionCollector x)
at XXX.YYY.Services.FluentMdx.Queries.QueryBuilder.BuildQuery(IFluentMdxFilterCommand mdxFilterQueryCommand)
at XXX.YYY.Services.FluentMdx.FluentMdxRepository.ExecuteQuery(IMdxQueryBuilder mdxQueryBuilder)
at XXX.YYY.Services.Result.PrioMatrixRenderService.GetChartEngine(IReadOnlyQuerySettings querySettings, ChartSettingsModel settingsModel)
at XXX.YYY.MVC.Controllers.PrioMatrixRenderController.RenderChart(QuerySettings queryable, ChartSettingsModel chartSettings)
at lambda_method(Closure , ControllerBase , Object[] )
at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.b__12()
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)

【问题讨论】：

  • @Tico，以后请用&gt;格式化错误，这样所有文字都在屏幕上，不用滚动。
  • @gunr2171 感谢您的提醒！
  • 你不会碰巧有抱怨的 CLSID 吗？

标签： c# nhibernate reflection.emit windows-server-2012


【解决方案1】：

http://blogs.msdn.com/b/distributedservices/archive/2009/11/06/a-com-server-application-may-stop-working-on-windows-server-2008.aspx

这有帮助吗？另一种解决方法是禁用 IIS 应用程序池中的配置文件卸载。

【讨论】：

  • 我们在调查的早期就遇到了这个链接，我们没有尝试过，因为我们觉得在我们的生产环境中测试不够舒服。在我们的下一个维护窗口中，我们将测试将 AppPool 身份更改为其他用户是否可以修复它。
【解决方案2】：

我们最终在 AppPool 上使用不同的身份对其进行了测试，从那时起我们就没有发现问题。

我们不知道是什么原因造成的，但改变身份可以解决问题。

【讨论】：

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