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[Source] Autofac "Circular component dependency detected" error resolved

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Posted on 2019-11-19 11:10:28 | | | |
DependencyResolutionException: Circular component dependency detected: Dolphin.WebUI.Controllers.HomeController -> Dolphin.Service.AccountService -> Dolphin.Service.OrderService -> Dolphin.Service.OrderService.



Error scenario: Using the Autofac IOC framework PropertiesAutowired property injection, this error code is caused by two types referencing each other, so we must set the behavior to allow circular dependencies when using Autofac for property injection. The code is as follows




Just add this PropertyWiringOptions.AllowCircularDependencies to solve this error




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 Landlord| Posted on 2019-11-20 10:43:12 |


AsImplementedInterfaces() is injected as an interface, injecting all the common interfaces of these classes as a service (except for freeing up resources)

A:IA

builder. RegisterType<A>(). AsImplementedInterfaces();When using IA, an instance of A will be returned, that is, its own instance will be injected
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