...
Sending message.
Serialized 'MyService.Protos.MyResponse' to 28 byte message.
Message sent.
Request deadline stopped.
Executed endpoint 'gRPC - /MyService/MyMethod'

...
Reading message.
No message returned.
Message not returned from unary or client streaming call.
Call failed with gRPC error status. Status code: '"Internal"', Message: 'Failed to deserialize response message.'.
Finished gRPC call.
...
An unhandled exception has occurred while executing the request.
Grpc.Core.RpcException: Status(StatusCode="Internal", Detail="Failed to deserialize response message.")

public void ConfigureServices(IServiceCollection services)
        {
          //... 
          services.AddGrpc(opt =>
            {
            });

           services.AddHttpLogging(logging =>
            {
                logging.LoggingFields = HttpLoggingFields.All;
                logging.RequestBodyLogLimit = 4096;
                logging.ResponseBodyLogLimit = 4096;
            });
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                IdentityModelEventSource.ShowPII = true;

                app.UseHttpLogging();

                app.UseDeveloperExceptionPage();
                app.UseSwagger();
                app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "MyService API v1"));
            }
           //...

          app.UseEndpoints(endpoints =>
            {
                //...

                endpoints.MapGrpcService<MyService>()
                    .RequireHost("*:82", "*:443");

                endpoints.MapControllers();
            });
}

An unhandled exception has occurred while executing the request.
Grpc.Core.RpcException: Status(StatusCode="Internal", Detail="Failed to deserialize response message.")
   at MyService.WebApi.Controllers.MyController.PostMethod(MyRequest request, MyClient client, CancellationToken cancellationToken) in C\MyService\src\MyService.WebApi\Controllers\MyController.cs:line 70
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.TaskOfIActionResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeActionMethodAsync>g__Awaited|12_0(ControllerActionInvoker invoker, ValueTask`1 actionResultValueTask)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeNextActionFilterAsync>g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeInnerFilterAsync>g__Awaited|13_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeFilterPipelineAsync>g__Awaited|20_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
   at Microsoft.AspNetCore.Routing.EndpointMiddleware.<Invoke>g__AwaitRequestTask|6_0(Endpoint endpoint, Task requestTask, ILogger logger)
   at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context)
   at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
   at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.Invoke(HttpContext httpContext)
   at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider swaggerProvider)
   at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)