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System.TypeLoadException: "Método 'get_Info' en el tipo 'Pomelo.EntityFrameworkCore.MySql.Infrastructure.Internal. MySqlOptionsExtension' from assembly 'Pomelo.EntityFrameworkCore.MySql, Version=2.2.6.0, Culture=neutral, PublicKeyToken=null' does not tiene una implementación". System.TypeLoadException: "Método 'get_Info' en el tipo 'MySql.Data.EntityFrameworkCore.Infraestructure.MySQLOptionsExtension' from assembly 'MySql.Data.EntityFrameworkCore, Version=8.0.18.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d' does not have an implementación". Autofac.Core.DependencyResolutionException: se ha lanzado una excepción al activar λ:Microsoft.EntityFrameworkCore.DbContextOptions[] -& gt; λ:Microsoft.EntityFrameworkCore.DbContextOptions -> λ:Microsoft.EntityFrameworkCore.DbContextOptions`1[[itsvse.DomainModels. itsvseDb, itsvse.DomainModels, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]]. ---> System.TypeLoadException: Method 'get_Info' in type 'MySql.Data.EntityFrameworkCore.Infraestructure.MySQLOptionsExtension' from assembly 'MySql.Data.EntityFrameworkCore, Version=8.0.18.0, Culture=neutral, PublicKeyToken=c5687fc88969c44d' does not have an EntityFrameworkCore en Microsoft.EntityFrameworkCore.MySQLDbContextOptionsExtensions.UseMySQL at itsvse.WebUI.Startup.<ConfigureServices>b__4_0(DbContextOptionsBuilder opt) in C:\Users\DELL\source\repos\itsvse\ itsvse.WebUIStartup.cs:línea 39 en Microsoft.Extensions.DependencyInjection.EntityFrameworkServiceCollectionExtensions.<>c__DisplayClass3_0`2.< ;AddDbContextPool>b__0(IServiceProvider _, DbContextOptionsBuilder ob) en Microsoft.Extensions.DependencyInjection.EntityFrameworkServiceCollectionExtensions.<>c__DisplayClass5_0`2.< ;AddDbContextPool>b__0(IServiceProvider sp, DbContextOptionsBuilder ob) at Microsoft.Extensions.DependencyInjection.EntityFrameworkServiceCollectionExtensions.DbContextOptionsFactory[TContext DbContextOptionsFactory[TContext](IServiceProvider applicationServiceProvider, Action`2 optionsAction) en Microsoft.Extensions.DependencyInjection.EntityFrameworkServiceCollectionExtensions.<>c__DisplayClass10_0`1.& lt;AddCoreServices>b__0(IServiceProvider p) at Autofac.Extensions.DependencyInjection.AutofacRegistration.<>c__DisplayClass3_0.<Register>b__0( IComponentContext contexto, IEnumerable`1 parámetros) at Autofac.Core.Activators.Delegate.DelegateActivator.ActivateInstance(IComponentContext context, IEnumerable`1 parameters ) at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters, Object& decoratorTarget) --- Fin de la pila de excepciones internas at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters, Object& decoratorTarget) en Autofac.Core.Resolving.InstanceLookup.Execute() at Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope currentOperationScope, IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Resolving.ResolveOperation.ResolveComponent(IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Resolving.ResolveOperation.Execute(IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Lifetime.LifetimeScope.ResolveComponent(IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.ResolutionExtensions.TryResolveService(IComponentContext context, Service service, IEnumerable`1 parameters, Object& instance) at Autofac.ResolutionExtensions.ResolveService(IComponentContext context, Service service, IEnumerable`1 parameters) at Autofac.ResolutionExtensions.Resolve(IComponentContext context, Type serviceType, IEnumerable`1 parameters) at Autofac.ResolutionExtensions.Resolve(IComponentContext context, Type serviceType) at Autofac.Extensions.DependencyInjection.AutofacServiceProvider.GetRequiredService(Type serviceType) en Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider ServiceProviderServiceExtensions.GetRequiredService(IServiceProvider, Tipo serviceType) at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetRequiredService[T](IServiceProvider GetRequiredService[T](IServiceProvider) at Microsoft.Extensions.DependencyInjection.ServiceProviderServiceExtensions.GetServices[T](Proveedor IServiceProvider) en Microsoft.EntityFrameworkCore.Design.Internal.DbContextOperations.FindContextTypes() DbContextOperations.FindContextType(String name) en Microsoft.EntityFrameworkCore.Design.Internal. DbContextOperations.CreateContext(String contextType) at Microsoft.EntityFrameworkCore.Design.Internal. DbContextOperations.CreateContext(String contextType) at Microsoft.EntityFrameworkCore.Design.Internal.MigrationsOperations.AddMigration(String name, String outputDir, String MigrationsOperations.AddMigration(String name, String outputDir, String contextType) at Microsoft.EntityFrameworkCore.Design.OperationExecutor.AddMigrationImpl(String name, String outputDir, String contextType String name, String outputDir, String contextType ) at Microsoft.EntityFrameworkCore.Design.OperationExecutor.AddMigration.<>c__DisplayClass0_0.<.ctor>b__0() at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.<>c__DisplayClass3_0`1.<Execute>b__ 0() at Microsoft.EntityFrameworkCore.Design.OperationExecutor.OperationBase.Execute(Acción action) Se ha producido una excepción al activar λ:Microsoft.EntityFrameworkCore.DbContextOptions[] -> λ:Microsoft.EntityFrameworkCore. DbContextOptions -> λ:Microsoft.EntityFrameworkCore.DbContextOptions`1[[itsvse.DomainModels.itsvseDb, itsvse.DomainModels, Version= 1.0.0.0, Culture=neutral, PublicKeyToken=null]].
La instalación inicial es
Posteriormente la instalación se
Solución final, instalar la siguiente versión:
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Artículo anterior:EF Core pequeñas trampas: DbContextPool causará el agotamiento de la conexión de la piscina de conexión de base de datosSiguiente :[La civilización extranjera de la dinastía Tang]. Sheffer autor. (Douban 9,0 puntos).PDF
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