System.InvalidOperationException: No service for type '.Authentication.BaseAddressAuthorizationMessageHandler' has been registered.Īt .GetRequiredService(IServiceProvider provider, Type serviceType)Īt .GetRequiredService(IServiceProvider provider)Īt .c_4`1.b_4_1(HttpMessageHandlerBuilder b)Īt .c_Displa圜lass17_0.g_Configure|0(HttpMessageHandlerBuilder b)Īt .c_Displa圜lass3_0.b_0(HttpMessageHandlerBuilder builder)Īt .CreateHandlerEntry(String name)Īt .c_Displa圜lass14_0.b_1()Īt System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)Īt System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)Īt .CreateHandler(String name)Īt .CreateClient(String name)Īt .AddTransientHelper(IServiceProvider s, IHttpClientBuilder builder)Īt .c_Displa圜lass13_0`2.b_0(IServiceProvider s)Īt .CallSiteVisitor`2.VisitCallSiteMain(ServiceCallSite callSite, TArgument argument)Īt .CallSiteVisitor`2.VisitCallSite(ServiceCallSite callSite, TArgument argument)Īt .CallSiteRuntimeResolver.VisitConstructor(ConstructorCallSite constructorCallSite, RuntimeResolverContext context)Īt .CallSiteRuntimeResolver.VisitRootCache(ServiceCallSite callSite, RuntimeResolverContext context)Īt .CallSiteRuntimeResolver.Resolve(ServiceCallSite callSite, ServiceProviderEngineScope scope)Īt .CreateServiceAccessor(Type serviceType)Īt `2.GetOrAdd(TKey key, Func`2 valueFactory)Īt .GetService(Type serviceType, ServiceProviderEngineScope serviceProviderEngineScope)Īt .ServiceProviderEngineScope.GetService(Type serviceType)Īt .GetService(IServiceProvider sp, Type type, Type requiredBy, Boolean isDefaultParameterRequired)Īt lambda_method31(Closure, IServiceProvider, Object )Īt .ControllerActivatorProvider.c_Displa圜lass7_0.b_0(ControllerContext controllerContext)Īt .ControllerFactoryProvider.c_Displa圜lass6_0.g_CreateController|0(ControllerContext controllerContext)Īt .ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)Īt .ControllerActionInvoker.InvokeInnerFilterAsync() Here's the error and stack trace I'm receiving. I can verify the API endpoint on the Server app has a valid JWT and is authorized, but it doesn't recognize a service type for BaseAddressAuthorizationMessageHandler. After I login, I try to navigate to a page that has an API call, and get the error described in the stack trace shown below.

I am able to login to Azure AD successfully.

I've created a hosted Blazor WASM app that uses Azure AD for authentication and authorization.

Typ en praat app