[Mono-dev] Entity Framework - new issues

Marek Safar marek.safar at gmail.com
Tue Feb 12 16:55:32 UTC 2013 

Hi,

Could you fill a bug report for the issue.

Thanks
Marek


On Sat, Feb 9, 2013 at 3:30 PM, Олег <olegm-development at yandex.ru> wrote:

> Many thanks to Atsushi Eno for a solution for previous defect in
> System.Xml.
>
> But there are new issues with EF. I tried to create simplest console
> application (file Test.zip attached to this letter, contains MonoDevelop
> project), it fails with following exception:
>
> System.ArgumentException: An element with the same key already exists in
> the dictionary.
>   at System.Collections.Generic.**Dictionary`2[System.String,**System.Object].Add
> (System.String key, System.Object value) [0x0007e] in
> /usr/ports/lang/mono/work/**mono-3.0.3/mcs/class/corlib/**
> System.Collections.Generic/**Dictionary.cs:423
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**
> TypeUsageBuilder.**HandleNullableAttribute (System.Xml.XmlReader reader)
> [0x00015] in /usr/ports/lang/mono/work/**mono-3.0.3/external/**
> entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**TypeUsageBuilder.cs:605
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**
> TypeUsageBuilder.**InternalHandleAttribute (System.Xml.XmlReader reader)
> [0x00010] in /usr/ports/lang/mono/work/**mono-3.0.3/external/**
> entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**TypeUsageBuilder.cs:300
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**
> TypeUsageBuilder.**HandleAttribute (System.Xml.XmlReader reader)
> [0x00000] in /usr/ports/lang/mono/work/**mono-3.0.3/external/**
> entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**TypeUsageBuilder.cs:291
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**
> StructuredProperty.**HandleAttribute (System.Xml.XmlReader reader)
> [0x00040] in /usr/ports/lang/mono/work/**mono-3.0.3/external/**
> entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**StructuredProperty.cs:227
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**SchemaElement.ParseAttribute
> (System.Xml.XmlReader reader) [0x0006a] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**SchemaElement.cs:592
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**SchemaElement.Parse
> (System.Xml.XmlReader reader) [0x0001d] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**SchemaElement.cs:193
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**
> StructuredType.**HandlePropertyElement (System.Xml.XmlReader reader)
> [0x00007] in /usr/ports/lang/mono/work/**mono-3.0.3/external/**
> entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**StructuredType.cs:387
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**StructuredType.HandleElement
> (System.Xml.XmlReader reader) [0x0001f] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**StructuredType.cs:267
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**SchemaEntityType.HandleElement
> (System.Xml.XmlReader reader) [0x00000] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**ItemType.cs:198
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**SchemaElement.ParseElement
> (System.Xml.XmlReader reader) [0x0002c] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**SchemaElement.cs:746
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**SchemaElement.Parse
> (System.Xml.XmlReader reader) [0x000d0] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**SchemaElement.cs:220
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**Schema.HandleEntityTypeElement
> (System.Xml.XmlReader reader) [0x00007] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**Schema.cs:1023
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**Schema.HandleElement
> (System.Xml.XmlReader reader) [0x0001f] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**Schema.cs:592
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**SchemaElement.ParseElement
> (System.Xml.XmlReader reader) [0x0002c] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**SchemaElement.cs:746
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**SchemaElement.Parse
> (System.Xml.XmlReader reader) [0x000d0] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**SchemaElement.cs:220
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**Schema.**HandleTopLevelSchemaElement
> (System.Xml.XmlReader reader) [0x0000e] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityModel/SchemaObjectModel/**Schema.cs:1005
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**Schema.InternalParse
> (System.Xml.XmlReader sourceReader, System.String sourceLocation) [0x0021e]
> in /usr/ports/lang/mono/work/**mono-3.0.3/external/**entityframework/src/*
> *EntityFramework/Core/**EntityModel/SchemaObjectModel/**Schema.cs:210
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**Schema.Parse
> (System.Xml.XmlReader sourceReader, System.String sourceLocation) [0x0000f]
> in /usr/ports/lang/mono/work/**mono-3.0.3/external/**entityframework/src/*
> *EntityFramework/Core/**EntityModel/SchemaObjectModel/**Schema.cs:100
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**SchemaManager.ParseAndValidate
> (IEnumerable`1 xmlReaders, IEnumerable`1 sourceFilePaths,
> SchemaDataModelOption dataModel, System.Data.Entity.Core.**
> EntityModel.SchemaObjectModel.**AttributeValueNotification
> providerNotification, System.Data.Entity.Core.**
> EntityModel.SchemaObjectModel.**AttributeValueNotification
> providerManifestTokenNotificat**ion, System.Data.Entity.Core.**
> EntityModel.SchemaObjectModel.**ProviderManifestNeeded
> providerManifestNeeded, IList`1& schemaCollection) [0x0008a] in
> /usr/ports/lang/mono/work/**mono-3.0.3/external/**entityframework/src/**
> EntityFramework/Core/**EntityModel/SchemaObjectModel/**
> SchemaManager.cs:152
>   at System.Data.Entity.Core.**EntityModel.SchemaObjectModel.**SchemaManager.ParseAndValidate
> (IEnumerable`1 xmlReaders, IEnumerable`1 sourceFilePaths,
> SchemaDataModelOption dataModel, System.Data.Entity.Core.**Common.DbProviderManifest
> providerManifest, IList`1& schemaCollection) [0x0000d] in
> /usr/ports/lang/mono/work/**mono-3.0.3/external/**entityframework/src/**
> EntityFramework/Core/**EntityModel/SchemaObjectModel/**
> SchemaManager.cs:102
>   at System.Data.Entity.Core.**Metadata.Edm.**EdmItemCollection.LoadItems
> (IEnumerable`1 xmlReaders, IEnumerable`1 sourceFilePaths,
> SchemaDataModelOption dataModelOption, System.Data.Entity.Core.**Common.DbProviderManifest
> providerManifest, System.Data.Entity.Core.**Metadata.Edm.ItemCollection
> itemCollection, Boolean throwOnError) [0x00002] in
> /usr/ports/lang/mono/work/**mono-3.0.3/external/**entityframework/src/**
> EntityFramework/Core/Metadata/**EdmItemCollection.cs:245
>   at System.Data.Entity.Core.**Metadata.Edm.**EdmItemCollection.Init
> (IEnumerable`1 xmlReaders, IEnumerable`1 filePaths, Boolean throwOnError)
> [0x00006] in /usr/ports/lang/mono/work/**mono-3.0.3/external/**
> entityframework/src/**EntityFramework/Core/Metadata/**
> EdmItemCollection.cs:126
>   at System.Data.Entity.Core.**Metadata.Edm.**EdmItemCollection..ctor
> (IEnumerable`1 xmlReaders, IEnumerable`1 filePaths, Boolean
> skipInitialization) [0x00023] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/Metadata/
> **EdmItemCollection.cs:41
>   at System.Data.Entity.Core.**Metadata.Edm.MetadataCache+**
> EdmMetadataEntry.**LoadEdmItemCollection (System.Data.Entity.Core.**
> Metadata.Edm.**MetadataArtifactLoader loader) [0x00008] in
> /usr/ports/lang/mono/work/**mono-3.0.3/external/**entityframework/src/**
> EntityFramework/Core/Metadata/**MetadataCache.cs:653
>   at System.Data.Entity.Core.**Metadata.Edm.MetadataCache+**
> EdmItemCollectionLoader.**LoadItemCollection (System.Data.Entity.Core.**Metadata.Edm.EdmMetadataEntry
> entry) [0x00000] in /usr/ports/lang/mono/work/**mono-3.0.3/external/**
> entityframework/src/**EntityFramework/Core/Metadata/**MetadataCache.cs:834
>   at System.Data.Entity.Core.**Metadata.Edm.MetadataCache.**
> LoadItemCollection[**EdmMetadataEntry] (IItemCollectionLoader`1
> itemCollectionLoader, System.Data.Entity.Core.**Metadata.Edm.EdmMetadataEntry
> entry) [0x00037] in /usr/ports/lang/mono/work/**mono-3.0.3/external/**
> entityframework/src/**EntityFramework/Core/Metadata/**MetadataCache.cs:367
>   at System.Data.Entity.Core.**Metadata.Edm.MetadataCache.**GetOrCreateEdmItemCollection
> (System.String cacheKey, System.Data.Entity.Core.**Metadata.Edm.**MetadataArtifactLoader
> loader, System.Object& entryToken) [0x00020] in /usr/ports/lang/mono/work/
> **mono-3.0.3/external/**entityframework/src/**
> EntityFramework/Core/Metadata/**MetadataCache.cs:273
>   at System.Data.Entity.Core.**EntityClient.EntityConnection.**LoadEdmItemCollection
> (System.Data.Entity.Core.**Metadata.Edm.MetadataWorkspace workspace,
> System.Data.Entity.Core.**Metadata.Edm.**MetadataArtifactLoader
> artifactLoader) [0x0000f] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityClient/EntityConnection.**cs:1053
>   at System.Data.Entity.Core.**EntityClient.EntityConnection.**GetMetadataWorkspace
> (Boolean initializeAllCollections) [0x000b6] in /usr/ports/lang/mono/work/
> **mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/**
> EntityClient/EntityConnection.**cs:467
>   at System.Data.Entity.Core.**Objects.ObjectContext.**
> RetrieveMetadataWorkspaceFromC**onnection () [0x00017] in
> /usr/ports/lang/mono/work/**mono-3.0.3/external/**entityframework/src/**
> EntityFramework/Core/Objects/**ObjectContext.cs:1839
>   at System.Data.Entity.Core.**Objects.ObjectContext..ctor
> (System.Data.Entity.Core.**EntityClient.EntityConnection connection,
> Boolean isConnectionConstructor, System.Data.Entity.Core.**
> Objects.Internal.**ObjectQueryExecutionPlanFactor**y
> objectQueryExecutionPlanFactor**y, System.Data.Entity.Core.**
> Common.Internal.**Materialization.Translator translator) [0x000bc] in
> /usr/ports/lang/mono/work/**mono-3.0.3/external/**entityframework/src/**
> EntityFramework/Core/Objects/**ObjectContext.cs:192
>   at System.Data.Entity.Core.**Objects.ObjectContext..ctor (System.String
> connectionString) [0x00000] in /usr/ports/lang/mono/work/**
> mono-3.0.3/external/**entityframework/src/**EntityFramework/Core/Objects/*
> *ObjectContext.cs:114
>   at System.Data.Entity.Core.**Objects.ObjectContext..ctor (System.String
> connectionString, System.String defaultContainerName) [0x00000] in
> /usr/ports/lang/mono/work/**mono-3.0.3/external/**entityframework/src/**
> EntityFramework/Core/Objects/**ObjectContext.cs:134
>   at TestModel.TestEntities..ctor () [0x00000] in
> /home/Test/Test/TestModel.**Designer.cs:46
>   at Test.Program.Main (System.String[] args) [0x00001] in
> /home/Test/Test/Program.cs:11
>
> Honestly, I'm going to investigate and probably rewrite my code to
> NHibernate, but if this sample project will be useful for someone who will
> try to make support of Entity Framework on Mono better, I would be glad to
> know it.
>
> With best regards,
> Oleg
>
> _______________________________________________
> Mono-devel-list mailing list
> Mono-devel-list at lists.ximian.com
> http://lists.ximian.com/mailman/listinfo/mono-devel-list
>
>
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