Невозможно создать DbContext для каждого запроса с помощью Simple Injector.

Simple Inject выдает следующее исключение при попытке зарегистрировать мой DbContext.

Предоставленная строка подключения недействительна, так как содержит недостаточную информацию о сопоставлении или метаданных. Имя параметра: connectionString

Я новичок в DI и мог упустить что-то довольно очевидное. Строка подключения выглядит нормально. Это тот же самый, который обычно используется для создания DbContext. Я пытался решить здесь

public static class SimpleInjectorInitializer
{
    /// Initialize the container and register 
    // it as MVC3 Dependency Resolver.
    public static void Initialize()
    {
        var container = new Container();            
        InitializeContainer(container);
        container.RegisterMvcControllers(
            Assembly.GetExecutingAssembly());            
        container.RegisterMvcAttributeFilterProvider();       
        container.Verify();            
        DependencyResolver.SetResolver(
            new SimpleInjectorDependencyResolver(container));
    }

    private static void InitializeContainer(
        Container container)
    {
    }
}

Обновление: я до сих пор не решил свою проблему, но она очень похожа на эту проблему с Ninject

Трассировка стека:

System.InvalidOperationException was unhandled by user code
  Message=The configuration is invalid. Creating the instance for type _AccountController failed. Error occurred while trying to get an instance of type _AccountController. The type initializer for 'Web.Controllers._AccountController' threw an exception.
  Source=SimpleInjector
  StackTrace:
       at SimpleInjector.Helpers.Verify(IInstanceProducer instanceProducer, Type serviceType)
       at SimpleInjector.Container.ValidateRegistrations()
       at SimpleInjector.Container.Verify()
       at Web.App_Start.SimpleInjectorInitializer.Initialize() in C:\workspace\BrowsarServer\QARSite\Web\App_Start\SimpleInjectorInitializer.cs:line 24
  InnerException: SimpleInjector.ActivationException
       Message=Error occurred while trying to get an instance of type _AccountController. The type initializer for 'Web.Controllers._AccountController' threw an exception.
       Source=SimpleInjector
       StackTrace:
            at SimpleInjector.InstanceProducers.InstanceProducer.ThrowErrorWhileTryingToGetInstanceOfType(Exception innerException)
            at SimpleInjector.InstanceProducers.InstanceProducer.GetInstance()
            at SimpleInjector.Helpers.Verify(IInstanceProducer instanceProducer, Type serviceType)
       InnerException: System.TypeInitializationException
            Message=The type initializer for 'Web.Controllers._AccountController' threw an exception.
            Source=Web
            TypeName=Web.Controllers._AccountController
            StackTrace:
                 at Web.Controllers._AccountController..ctor()
                 at lambda_method(Closure )
                 at SimpleInjector.InstanceProducers.InstanceProducer.GetInstance()
            InnerException: System.ArgumentException
                 Message=The supplied connection string is not valid, because it contains insufficient mapping or metadata information.
Parameter name: connectionString
                 Source=System.Data.Entity
                 ParamName=connectionString
                 StackTrace:
                      at System.Data.Objects.ObjectContext..ctor(EntityConnection connection, Boolean isConnectionConstructor)
                      at System.Data.Objects.ObjectContext..ctor(String connectionString, String defaultContainerName)
                      at Web.Models.BrowsarEntities..ctor() in C:\workspace\BrowsarServer\QARSite\Web\Models\Browsar.Designer.cs:line 90
                      at Web.Controllers._AccountController..cctor() in C:\workspace\BrowsarServer\QARSite\Web\Controllers\_AccountController.cs:line 15
                 InnerException: System.InvalidOperationException
                      Message=Unable to determine application context. The ASP.NET application path could not be resolved.
                      Source=System.Data.Entity
                      StackTrace:
                           at System.Data.Metadata.Edm.AspProxy.GetBuildManagerReferencedAssemblies()
                           at System.Data.Metadata.Edm.DefaultAssemblyResolver.GetAllDiscoverableAssemblies()
                           at System.Data.Metadata.Edm.DefaultAssemblyResolver.GetWildcardAssemblies()
                           at System.Data.Metadata.Edm.MetadataArtifactLoaderCompositeResource.LoadResources(String assemblyName, String resourceName, ICollection`1 uriRegistry, MetadataArtifactAssemblyResolver resolver)
                           at System.Data.Metadata.Edm.MetadataArtifactLoaderCompositeResource.CreateResourceLoader(String path, ExtensionCheck extensionCheck, String validExtension, ICollection`1 uriRegistry, MetadataArtifactAssemblyResolver resolver)
                           at System.Data.Metadata.Edm.MetadataArtifactLoader.Create(String path, ExtensionCheck extensionCheck, String validExtension, ICollection`1 uriRegistry, MetadataArtifactAssemblyResolver resolver)
                           at System.Data.Metadata.Edm.MetadataCache.SplitPaths(String paths)
                           at System.Data.Common.Utils.Memoizer`2.<>c__DisplayClass2.b__0()
                           at System.Data.Common.Utils.Memoizer`2.Result.GetValue()
                           at System.Data.Common.Utils.Memoizer`2.Evaluate(TArg arg)
                           at System.Data.EntityClient.EntityConnection.GetMetadataWorkspace(Boolean initializeAllCollections)
                           at System.Data.Objects.ObjectContext.RetrieveMetadataWorkspaceFromConnection()
                           at System.Data.Objects.ObjectContext..ctor(EntityConnection connection, Boolean isConnectionConstructor)
                      InnerException: System.Reflection.TargetInvocationException
                           Message=Exception has been thrown by the target of an invocation.
                           Source=mscorlib
                           StackTrace:
                                at System.RuntimeMethodHandle._InvokeMethodFast(IRuntimeMethodInfo method, Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeType typeOwner)
                                at System.RuntimeMethodHandle.InvokeMethodFast(IRuntimeMethodInfo method, Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeType typeOwner)
                                at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
                                at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
                                at System.Data.Metadata.Edm.AspProxy.GetBuildManagerReferencedAssemblies()
                           InnerException: System.InvalidOperationException
                                Message=This method cannot be called during the application's pre-start initialization stage.
                                Source=System.Web
                                StackTrace:
                                     at System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled()
                                     at System.Web.Compilation.BuildManager.GetReferencedAssemblies()
                                InnerException: 

5
задан Community 23 May 2017 в 12:08
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