[英]Entity Framework Error message MYSQL, works on the local machine not when published
我在使用实体框架时遇到麻烦。 我创建了一个数据模型，并且在本地调试机器上一切正常，但是当我发布时，收到以下消息
System.Data.ProviderIncompatibleException：存储提供程序工厂类型'MySql.Data.MySqlClient.MySqlClientFactory'未实现IServiceProvider接口。 使用实现此接口的商店提供程序。 在System.Data.Metadata.Edm.StoreItemCollection.Loader.InitializeProviderManifest（操作3 addError) at System.Data.Metadata.Edm.StoreItemCollection.Loader.OnProviderManifestTokenNotification(String token, Action处的System.Data.Common.DbProviderServices.GetProviderServices（DbProviderFactory工厂） 3 addError) at System.Data.Metadata.Edm.StoreItemCollection.Loader.OnProviderManifestTokenNotification(String token, Action 3在System.Data.EntityModel.SchemaObjectModel.Schema.HandleProviderManifestTokenAttribute（XmlReader阅读器）在System.Data.EntityModel.SchemaObjectModel.Schema.HandleAttribute（XmlReader阅读器）在System.Data.EntityModel.SchemaObjectModel.SchemaElement.ParseAttribute（ System.Data.EntityModel.SchemaObjectModel.SchemaElement.Parse（XmlReader阅读器）的System.Data.EntityModel.SchemaObjectModel.Schema.HandleTopLevelSchemaElement（XmlReader阅读器）的System.Data.EntityModel.SchemaObjectModel.Schema.InternalParse（XmlReader sourceReader） ，位于System.Data.EntityModel.SchemaObjectModel.Schema.Parse（XmlReader sourceReader，字符串sourceLocation）处 System.Data.EntityModel.SchemaObjectModel.SchemaManager.ParseAndValidate（IEnumerable 1 xmlReaders, IEnumerable 1 sourceFilePaths，SchemaDataModelOption dataModel，AttributeValueNotification providerNotification，AttributeValueNotification providerManifestTokenNotification，ProviderManifestNeeded providerManifestNeeded，IList 1& schemaCollection) at System.Data.Metadata.Edm.StoreItemCollection.Loader.LoadItems(IEnumerable 1 xmlReaders，IEnumerable 1 sourceFilePaths) at System.Data.Metadata.Edm.StoreItemCollection.Init(IEnumerable 1 xmlReaders，IEnumerable 1 filePaths, Boolean throwOnError, DbProviderManifest& providerManifest, DbProviderFactory& providerFactory, Memoizer 2＆System.Data。 System.Data.Metadata.Edm.MetadataCache.StoreMetadataEntry.LoadStoreCollection（EdmItemCollection edmItemCollection，MetadataArtifactLoader加载器）上的Edm.StoreItemCollection..ctor（IEnumerable 1 xmlReaders, IEnumerable 1 filePaths）在System.Data.MetadataCache.Edm.Meta上 System.Data.Metadata.Edm.MetadataCache.LoadItemCollection [T]（IItemCollectionLoader 1 itemCollectionLoader, T entry) at System.Data.Metadata.Edm.MetadataCache.GetOrCreateStoreAndMappingItemCollections(String cacheKey, MetadataArtifactLoader loader, EdmItemCollection edmItemCollection, Object& entryToken) at System.Data.EntityClient.EntityConnection.LoadStoreItemCollections(MetadataWorkspace workspace, DbConnection storeConnection, DbProviderFactory factory, DbConnectionOptions connectionOptions, EdmItemCollection edmItemCollection, MetadataArtifactLoader artifactLoader) at System.Data.EntityClient.EntityConnection.GetMetadataWorkspace(Boolean initializeAllCollections) at System.Data.EntityClient.EntityConnection.InitializeMetadata(DbConnection newConnection, DbConnection originalConnection, Boolean closeOriginalConnectionOnFailure) at System.Data.EntityClient.EntityConnection.Open() at System.Data.Objects.ObjectContext.EnsureConnection() at System.Data.Objects.ObjectQuery （StoreMetadataEntry 1 itemCollectionLoader, T entry) at System.Data.Metadata.Edm.MetadataCache.GetOrCreateStoreAndMappingItemCollections(String cacheKey, MetadataArtifactLoader loader, EdmItemCollection edmItemCollection, Object& entryToken) at System.Data.EntityClient.EntityConnection.LoadStoreItemCollections(MetadataWorkspace workspace, DbConnection storeConnection, DbProviderFactory factory, DbConnectionOptions connectionOptions, EdmItemCollection edmItemCollection, MetadataArtifactLoader artifactLoader) at System.Data.EntityClient.EntityConnection.GetMetadataWorkspace(Boolean initializeAllCollections) at System.Data.EntityClient.EntityConnection.InitializeMetadata(DbConnection newConnection, DbConnection originalConnection, Boolean closeOriginalConnectionOnFailure) at System.Data.EntityClient.EntityConnection.Open() at System.Data.Objects.ObjectContext.EnsureConnection() at System.Data.Objects.ObjectQuery 1 forMergeOption) at System.Data.Objects.ObjectQuery 1.System.Data.Objects.ObjectQuery 1.System.Collections.Generic.IEnumerable.GetEnumerator（）处的1 itemCollectionLoader, T entry) at System.Data.Metadata.Edm.MetadataCache.GetOrCreateStoreAndMappingItemCollections(String cacheKey, MetadataArtifactLoader loader, EdmItemCollection edmItemCollection, Object& entryToken) at System.Data.EntityClient.EntityConnection.LoadStoreItemCollections(MetadataWorkspace workspace, DbConnection storeConnection, DbProviderFactory factory, DbConnectionOptions connectionOptions, EdmItemCollection edmItemCollection, MetadataArtifactLoader artifactLoader) at System.Data.EntityClient.EntityConnection.GetMetadataWorkspace(Boolean initializeAllCollections) at System.Data.EntityClient.EntityConnection.InitializeMetadata(DbConnection newConnection, DbConnection originalConnection, Boolean closeOriginalConnectionOnFailure) at System.Data.EntityClient.EntityConnection.Open() at System.Data.Objects.ObjectContext.EnsureConnection() at System.Data.Objects.ObjectQuery _Default.Page_Load（对象发件人， EventArgs e）
好像是库版本的东西。 您在开发和生产环境上运行的每个服务器和库的版本是什么？
看起来您的MySQL数据提供程序与EF不兼容。 您正在使用此连接器吗？
我希望这会对某人有所帮助。 我还有另一个需要添加MySql.Data.Entity.dll DLL。
使用实体框架在Razor页面项目上的本地IIS上发布时，SQL无法连接
[英]SQL does not connect when published on local IIS on Razor pages project using entity framework
在Azure虚拟机上创建并连接到Entity Framework数据库时出错
[英]Error when creating and connecting to Entity Framework database on an Azure virtual machine
ASP.NET Core 5 Web API with Entity Framework works when running in IDE but not when published to folder and installed in IIS
[英]ASP.NET Core 5 Web API with Entity Framework works when running in IDE but not when published to folder and installed in IIS
发布网站时将重写Entity Framework连接字符串
[英]Entity Framework connection string is being rewritten when website is published
如何为 Entity Framework Core 设置本地机器的连接字符串？
[英]How to set a connection string to a local machine for Entity Framework Core?
连接到数据库时出现错误消息“此版本的实体数据源向导仅与实体框架5兼容”
[英]Error message “This version of the entity data source wizard is only compatible with entity framework 5.”when connect to database
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