Autofac An error occurred during the activation of a particular registration

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Autofac An error occurred during the activation of a particular registration



I have inherited a .NET project which keeps throwing Autofac errors but I'm not sure what this error message is telling me. Any help would be appreciated?


An error occurred during the activation of a particular registration. See the inner exception for details.
Registration:
Activator = ImplementationResourceRepository (ReflectionActivator),
Services = [Interfaces.IImplementationResourceRepository],
Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime,
Sharing = None,
Ownership = OwnedByLifetimeScope ---> None of the constructors found with 'Autofac.Core.Activators.Reflection.DefaultConstructorFinder' on type 'CCES.Repositories.ImplementationResourceRepository' can be invoked with the available services and parameters:
Cannot resolve parameter 'Interfaces.IRepository repository' of constructor 'Void .ctor(Interfaces.IRepository)'. (See inner exception for details.)





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– Igor
Aug 10 at 15:00





1 Answer
1



Type ImplementationResourceRepository has a constructor that takes an instance that implements Interfaces.IRepository in it's constructor but no types were registered as Interfaces.IRepository. You need to register a type that implementats Interfaces.IRepository as that interface with Autofac.


ImplementationResourceRepository


Interfaces.IRepository


Interfaces.IRepository


Interfaces.IRepository



Something similar to this:


protected override void Load(ContainerBuilder builder)

builder.RegisterType<Implementations.Repository>()
.As<Interfaces.IRepository>()
.InstancePerDependency();






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