Exception when attempting to use keyed dependencies

I tried making use of the new keyed DI feature that comes with net 8, but when I try injecting 2 dependencies with

IServiceCollection.AddKeyedSingleton<T1, T2>("")

IServiceCollection.AddKeyedSingleton<T1, T2>("")

, Im receiving an exception that I havent found any fix for. this kind of setup for dependencies doesn't seem to require any special setup according to the example on the microsoft page, so im confused

Code:

serviceCollection.AddKeyedSingleton<IScraper, BooruScraper>("booru");
serviceCollection.AddKeyedSingleton<IScraper, HIScraper>("hi");

serviceCollection.AddKeyedSingleton<IScraper, BooruScraper>("booru");
serviceCollection.AddKeyedSingleton<IScraper, HIScraper>("hi");

Exception:

- System.InvalidOperationException: This service descriptor is keyed. Your service provider may not support keyed services.

- System.InvalidOperationException: This service descriptor is keyed. Your service provider may not support keyed services.

C#•3y ago•

14 replies

Noriega

Exception when attempting to use keyed dependencies

I tried making use of the new keyed DI feature that comes with net 8, but when I try injecting 2 dependencies with

IServiceCollection.AddKeyedSingleton<T1, T2>("")

IServiceCollection.AddKeyedSingleton<T1, T2>("")

serviceCollection.AddKeyedSingleton<IScraper, BooruScraper>("booru");
serviceCollection.AddKeyedSingleton<IScraper, HIScraper>("hi");

serviceCollection.AddKeyedSingleton<IScraper, BooruScraper>("booru");
serviceCollection.AddKeyedSingleton<IScraper, HIScraper>("hi");

Exception:

- System.InvalidOperationException: This service descriptor is keyed. Your service provider may not support keyed services.

- System.InvalidOperationException: This service descriptor is keyed. Your service provider may not support keyed services.

Exception when attempting to use keyed dependencies

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