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POEntity Framework 4.3.1 to 5.0 RC - NullReferenceException during model creation
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  1. POEntity Framework 4.3.1 to 5.0 RC - NullReferenceException during model creation
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    copied!<p>I've just switched our project to try Entity Framework 5.0 RC, running under .NET 4.0. Aside from updating namespace references, we haven't made any code changes. I'm getting the following the first time we try to access an entity framework object:</p> <pre><code> at System.Data.Entity.ModelConfiguration.Conventions.ForeignKeyNavigationPropertyAttributeConvention.System.Data.Entity.ModelConfiguration.Conventions.IEdmConvention&lt;System.Data.Entity.Edm.EdmNavigationProperty&gt;.Apply(EdmNavigationProperty navigationProperty, EdmModel model) at System.Data.Entity.ModelConfiguration.Configuration.ConventionsConfiguration.EdmConventionDispatcher.Dispatch[TEdmDataModelItem](TEdmDataModelItem item) at System.Data.Entity.ModelConfiguration.Configuration.ConventionsConfiguration.EdmConventionDispatcher.VisitEdmNavigationProperty(EdmNavigationProperty item) at System.Data.Entity.Edm.Internal.DataModelItemVisitor.VisitCollection[T](IEnumerable`1 collection, Action`1 visitMethod) at System.Data.Entity.Edm.Internal.EdmModelVisitor.VisitDeclaredNavigationProperties(EdmEntityType entityType, IEnumerable`1 navigationProperties) at System.Data.Entity.ModelConfiguration.Configuration.ConventionsConfiguration.EdmConventionDispatcher.VisitEdmEntityType(EdmEntityType item) at System.Data.Entity.Edm.Internal.DataModelItemVisitor.VisitCollection[T](IEnumerable`1 collection, Action`1 visitMethod) at System.Data.Entity.Edm.Internal.EdmModelVisitor.VisitEntityTypes(EdmNamespace edmNamespace, IEnumerable`1 entityTypes) at System.Data.Entity.Edm.Internal.EdmModelVisitor.VisitEdmNamespace(EdmNamespace item) at System.Data.Entity.ModelConfiguration.Configuration.ConventionsConfiguration.EdmConventionDispatcher.VisitEdmNamespace(EdmNamespace item) at System.Data.Entity.Edm.Internal.DataModelItemVisitor.VisitCollection[T](IEnumerable`1 collection, Action`1 visitMethod) at System.Data.Entity.Edm.Internal.EdmModelVisitor.VisitNamespaces(EdmModel model, IEnumerable`1 namespaces) at System.Data.Entity.Edm.Internal.EdmModelVisitor.VisitEdmModel(EdmModel item) at System.Data.Entity.ModelConfiguration.Configuration.ConventionsConfiguration.EdmConventionDispatcher.VisitEdmModel(EdmModel item) at System.Data.Entity.ModelConfiguration.Configuration.ConventionsConfiguration.EdmConventionDispatcher.Dispatch() at System.Data.Entity.ModelConfiguration.Configuration.ConventionsConfiguration.ApplyModel(EdmModel model) at System.Data.Entity.DbModelBuilder.Build(DbProviderManifest providerManifest, DbProviderInfo providerInfo) at System.Data.Entity.DbModelBuilder.Build(DbConnection providerConnection) at System.Data.Entity.Internal.LazyInternalContext.CreateModel(LazyInternalContext internalContext) at System.Data.Entity.Internal.RetryLazy`2.GetValue(TInput input) at System.Data.Entity.Internal.LazyInternalContext.InitializeContext() at System.Data.Entity.Internal.InternalContext.Initialize() at System.Data.Entity.Internal.InternalContext.GetEntitySetAndBaseTypeForType(Type entityType) at System.Data.Entity.Internal.Linq.InternalSet`1.Initialize() at System.Data.Entity.Internal.Linq.InternalSet`1.get_InternalContext() at System.Data.Entity.Infrastructure.DbQuery`1.System.Linq.IQueryable.get_Provider() at System.Linq.Queryable.FirstOrDefault[TSource](IQueryable`1 source, Expression`1 predicate) at BackEnd.Facade.Implementations.UserService.GetUserByUserName(String userName) in c:\Development\FundApps\Rapptr\src\FundApps.Rapptr.ServiceLayer\Facade\Implementations\UserService.cs:line 61 at FundApps.Rapptr.Common.Web.Security.WebUserContextModule.OnPostAuthenticateRequest(HttpContextBase context) in c:\Development\FundApps\Rapptr\src\FundApps.Rapptr.Common.Web\Security\WebUserContextModule.cs:line 54 at FundApps.Common.Mvc.BaseHttpModule.&lt;Init&gt;b__1(Object sender, EventArgs e) in c:\Development\FundApps\Rapptr\src\FundApps.Common.Mvc\BaseHttpModule.cs:line 14 at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; completedSynchronously) </code></pre> <p>Does anyone have any suggestions as to what might cause this and how to narrow it down?</p>
 

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