asp.net-mvc-5 – 如何让Glimpse与EF6合作？

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编辑：底部添加堆栈跟踪.

我有一个ASP.NET MVC 5项目,它通过Entity Framework 6使用sql Server数据库.

我将Glimpse(和Glimpse.MVC5)添加到项目中,这很好.

但是,当我添加Glimpse.EF6时,我的应用程序一旦尝试访问数据库就会抛出异常.例外是：

System.NotSupportedException

Unable to determine the provider name for provider factory of type ‘System.Data.sqlClient.sqlClientFactory’. Make sure that the ADO.NET provider is installed or registered in the application config.

这是怎么回事？仅供参考,我的web.config的connectionStrings部分如下所示：

<connectionStrings>
  <add name="DefaultConnection" connectionString="Data Source=.; Initial Catalog=foo; Integrated Security=True; MultipleActiveResultSets=True;" providerName="System.Data.sqlClient" />
</connectionStrings>

…我的Application_Start方法如下所示：

protected void Application_Start()
{
    AreaRegistration.RegisterAllAreas();
    GlobalConfiguration.Configure(WebApiConfig.Register);
    FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
    RouteConfig.RegisterRoutes(RouteTable.Routes);
    BundleConfig.RegisterBundles(BundleTable.Bundles);

    Database.SetInitializer(new WebApplication.Models.Storage.ApplicationDbInitializer());
}

…我的上下文类看起来像这样：

public class ApplicationDbContext : IdentityDbContext<ApplicationUser>
{
    public ApplicationDbContext()
        : base("DefaultConnection")
    {
    }

    public DbSet<Foo> Foos { get; set; }
}

在此先感谢任何帮助……

堆栈跟踪：

[NotSupportedException: Unable to determine the provider name for provider factory of type 'System.Data.sqlClient.sqlClientFactory'. Make sure that the ADO.NET provider is installed or registered in the application config.]
System.Data.Entity.Utilities.DbProviderFactoryExtensions.GetProviderInvariantName(DbProviderFactory factory) +290
System.Data.Entity.Infrastructure.DependencyResolution.DefaultInvariantNameResolver.GetService(Type type,Object key) +248
System.Data.Entity.Infrastructure.DependencyResolution.<>c__DisplayClass1.<GetService>b__0(Tuple`2 k) +75
System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key,Func`2 valueFactory) +72
System.Data.Entity.Infrastructure.DependencyResolution.CachingDependencyResolver.GetService(Type type,Object key) +210
System.Data.Entity.Infrastructure.DependencyResolution.<>c__DisplayClass3.<GetService>b__0(IDbDependencyResolver r) +60
System.Linq.WhereSelectArrayIterator`2.MoveNext() +66
System.Linq.Enumerable.FirstOrDefault(IEnumerable`1 source,Func`2 predicate) +161
System.Data.Entity.Infrastructure.DependencyResolution.ResolverChain.GetService(Type type,Object key) +250
System.Data.Entity.Infrastructure.DependencyResolution.RootDependencyResolver.GetService(Type type,Object key) +106
System.Data.Entity.Infrastructure.DependencyResolution.<>c__DisplayClass3.<GetService>b__0(IDbDependencyResolver r) +60
System.Linq.WhereSelectArrayIterator`2.MoveNext() +66
System.Linq.Enumerable.FirstOrDefault(IEnumerable`1 source,Func`2 predicate) +94
System.Data.Entity.Infrastructure.DependencyResolution.ResolverChain.GetService(Type type,Object key) +250
System.Data.Entity.Infrastructure.DependencyResolution.CompositeResolver`2.GetService(Type type,Object key) +102
System.Data.Entity.Infrastructure.DependencyResolution.DbDependencyResolverExtensions.GetService(IDbDependencyResolver resolver,Object key) +145
System.Data.Entity.Core.Common.<>c__DisplayClass5.<GetExecutionStrategy>b__4(ExecutionStrategyKey k) +84
System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key,Func`2 valueFactory) +72
System.Data.Entity.Core.Common.DbProviderServices.GetExecutionStrategy(DbConnection connection,DbProviderFactory providerFactory) +351
System.Data.Entity.Core.Common.DbProviderServices.GetExecutionStrategy(DbConnection connection) +62
System.Data.Entity.sqlServer.sqlProviderServices.UsingConnection(DbConnection sqlConnection,Action`1 act) +319
System.Data.Entity.sqlServer.sqlProviderServices.UsingMasterConnection(DbConnection sqlConnection,Action`1 act) +335
System.Data.Entity.sqlServer.sqlProviderServices.GetDbProviderManifestToken(DbConnection connection) +399
System.Data.Entity.Core.Common.DbProviderServices.GetProviderManifestToken(DbConnection connection) +132

[ProviderIncompatibleException: The provider did not return a ProviderManifestToken string.]
System.Data.Entity.Core.Common.DbProviderServices.GetProviderManifestToken(DbConnection connection) +327
Glimpse.EF.AlternateType.GlimpseDbProviderServices.GetDbProviderManifestToken(DbConnection connection) +113
System.Data.Entity.Core.Common.DbProviderServices.GetProviderManifestToken(DbConnection connection) +255
System.Data.Entity.Utilities.DbProviderServicesExtensions.GetProviderManifestTokenChecked(DbProviderServices providerServices,DbConnection connection) +67

[ProviderIncompatibleException: An error occurred accessing the database. This usually means that the connection to the database Failed. Check that the connection string is correct and that the appropriate DbContext constructor is being used to specify it or find it in the application's config file. See http://go.microsoft.com/fwlink/?LinkId=386386 for information on DbContext and connections. See the inner exception for details of the failure.]
System.Data.Entity.Utilities.DbProviderServicesExtensions.GetProviderManifestTokenChecked(DbProviderServices providerServices,DbConnection connection) +277
System.Data.Entity.Infrastructure.<>c__DisplayClass1.<ResolveManifestToken>b__0(Tuple`3 k) +63
System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key,Func`2 valueFactory) +72
System.Data.Entity.Infrastructure.DefaultManifestTokenResolver.ResolveManifestToken(DbConnection connection) +360
System.Data.Entity.Utilities.DbConnectionExtensions.GetProviderInfo(DbConnection connection,DbProviderManifest& providerManifest) +89
System.Data.Entity.DbModelBuilder.Build(DbConnection providerConnection) +79
System.Data.Entity.Internal.LazyInternalContext.CreateModel(LazyInternalContext internalContext) +143
System.Data.Entity.Internal.RetryLazy`2.GetValue(TInput input) +171
System.Data.Entity.Internal.LazyInternalContext.InitializeContext() +594
System.Data.Entity.Internal.InternalContext.Initialize() +31
System.Data.Entity.Internal.InternalContext.GetEntitySetAndBaseTypeForType(Type entityType) +39
System.Data.Entity.Internal.Linq.InternalSet`1.Initialize() +138
System.Data.Entity.Internal.Linq.InternalSet`1.Include(String path) +41
System.Data.Entity.Infrastructure.DbQuery`1.Include(String path) +142
System.Data.Entity.QueryableExtensions.Include(IQueryable`1 source,String path) +205
System.Data.Entity.QueryableExtensions.Include(IQueryable`1 source,Expression`1 path) +305
Microsoft.AspNet.Identity.EntityFramework.UserStore`6.GetUserAggregateAsync(Expression`1 filter) +610
Microsoft.AspNet.Identity.EntityFramework.UserStore`6.FindByNameAsync(String userName) +1070
Microsoft.AspNet.Identity.<FindByNameAsync>d__10.MoveNext() +283
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +93
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +52
System.Runtime.CompilerServices.ConfiguredTaskAwaiter.GetResult() +24
Microsoft.AspNet.Identity.<FindAsync>d__18.MoveNext() +673
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +93
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +52
System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() +24
WebApplication.Controllers.<Login>d__2.MoveNext() in c:\Users\Gary\Documents\Visual Studio 2013\Projects\eByGum\WebApplication\Controllers\AccountController.cs:49
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +93
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +52
System.Runtime.CompilerServices.TaskAwaiter.GetResult() +21
System.Threading.Tasks.TaskHelpersExtensions.ThrowIfFaulted(Task task) +61
System.Web.Mvc.Async.TaskAsyncActionDescriptor.EndExecute(IAsyncResult asyncResult) +114
System.Web.Mvc.Async.<>c__DisplayClass37.<BeginInvokeAsynchronousActionMethod>b__36(IAsyncResult asyncResult) +66
System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +47
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +136
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult,Object tag) +102
System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) +49
Castle.Proxies.AsyncControllerActionInvokerProxy.EndInvokeActionMethod_callback(IAsyncResult asyncResult) +42
Castle.Proxies.Invocations.AsyncControllerActionInvoker_EndInvokeActionMethod.InvokeMethodOnTarget() +103
Castle.DynamicProxy.AbstractInvocation.Proceed() +117
Glimpse.Core.Extensibility.CastleInvocationToAlternateMethodContextAdapter.Proceed() +48
Glimpse.Mvc.AlternateType.EndInvokeActionMethod.NewImplementation(IAlternateMethodContext context) +152
Glimpse.Core.Extensibility.AlternateTypeToCastleInterceptorAdapter.Intercept(IInvocation invocation) +183
Castle.DynamicProxy.AbstractInvocation.Proceed() +483
Castle.Proxies.AsyncControllerActionInvokerProxy.EndInvokeActionMethod(IAsyncResult asyncResult) +203
System.Web.Mvc.Async.AsyncInvocationWithFilters.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f() +117
System.Web.Mvc.Async.<>c__DisplayClass48.<InvokeActionMethodFilterAsynchronouslyRecursive>b__41() +323
System.Web.Mvc.Async.<>c__DisplayClass33.<BeginInvokeActionMethodWithFilters>b__32(IAsyncResult asyncResult) +44
System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +47
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +136
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult,Object tag) +102
System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) +50
System.Web.Mvc.Async.<>c__DisplayClass2b.<BeginInvokeAction>b__1c() +72
System.Web.Mvc.Async.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult) +184
System.Web.Mvc.Async.WrappedAsyncResult`1.CallEndDelegate(IAsyncResult asyncResult) +42
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +133
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult,Object tag) +56
System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +40
System.Web.Mvc.Controller.<BeginExecuteCore>b__1d(IAsyncResult asyncResult,ExecuteCoreState innerState) +34
System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +70
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +139
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult,Object tag) +59
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult,Object tag) +40
System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +44
System.Web.Mvc.Controller.<BeginExecute>b__15(IAsyncResult asyncResult,Controller controller) +39
System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +62
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +139
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult,Object tag) +40
System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +39
System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +39
System.Web.Mvc.MvcHandler.<BeginProcessRequest>b__5(IAsyncResult asyncResult,ProcessRequestState innerState) +39
System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +70
System.Web.Mvc.Async.WrappedAsyncResultBase`1.End() +139
System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult,Object tag) +40
System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +40
System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +38
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +9514812
System.Web.HttpApplication.ExecuteStep(IExecutionStep step,Boolean& completedSynchronously) +155

解决方法

对于那些寻找解决方法的人：

它看起来像是一个bug within EF itself(上面提到的是173,但链接是正确的).您可以等待EF 6.1.1 / 6.2,也可以降级到EF 6.0.2,它将再次开始工作.

在包管理器控制台中,键入以下内容：

Install-Package EntityFramework -Version 6.0.2

你应该好好去.

但只有EF 6.0.2是您的选择.祝好运.

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