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Error constructing handler for request of type MediatR.IRequestHandler

See original GitHub issue

{
  "error": [
    "Error constructing handler for request of type MediatR.IRequestHandler`2[NPPDPayment.Application.Payment.Command.DuplicatePaymentCheckCommand,NPPDPayment.Application.Common.ApiResponse`1[NPPDPayment.Application.Common.DuplicatePaymentResponse]]. Register your handlers with the container. See the samples in GitHub for examples."
  ],
  "stackTrace": "   at MediatR.Internal.RequestHandlerBase.GetHandler[THandler](ServiceFactory factory)\r\n   at MediatR.Internal.RequestHandlerWrapperImpl`2.<>c__DisplayClass1_0.<Handle>g__Handler|0()\r\n   at MediatR.Pipeline.RequestExceptionProcessorBehavior`2.Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate`1 next)\r\n   at MediatR.Pipeline.RequestExceptionProcessorBehavior`2.Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate`1 next)\r\n   at MediatR.Pipeline.RequestExceptionActionProcessorBehavior`2.Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate`1 next)\r\n   at MediatR.Pipeline.RequestExceptionActionProcessorBehavior`2.Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate`1 next)\r\n   at MediatR.Pipeline.RequestPostProcessorBehavior`2.Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate`1 next)\r\n   at MediatR.Pipeline.RequestPreProcessorBehavior`2.Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate`1 next)\r\n   at NPPDPayment.Application.Infrastructure.RequestPerformanceBehaviour`2.Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate`1 next)\r\n   at NPPDPayment.WebAPI.Controllers.PaymentController.DuplicatePayment(DuplicatePaymentCheckCommand command)\r\n   at Microsoft.AspNetCore.Mvc.Internal.ActionMethodExecutor.TaskOfIActionResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)\r\n   at System.Threading.Tasks.ValueTask`1.get_Result()\r\n   at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeActionMethodAsync()\r\n   at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeNextActionFilterAsync()\r\n   at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context)\r\n   at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)\r\n   at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeInnerFilterAsync()\r\n   at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextExceptionFilterAsync()"
}

Issue Analytics

State:
Created 4 years ago
Reactions:21
Comments:37 (5 by maintainers)

Top GitHub Comments

31reactions

isra-rarcommented, Jan 28, 2022

Hello, I solved using this alternative

services.AddMediatR(AppDomain.CurrentDomain.GetAssemblies());

15reactions

lilasquaredcommented, Feb 19, 2020

Sweet stack trace

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