Using the Stripe checkout with a server side Blazor app. Everything works great until I turn on Security. When moving to the checkout hosted by Stripe, there is an object reference null error during the initialization of the page i'm returning to in the Blazor app. I know it has to do with the AuthenticationState Provider not knowing the new connection belongs to the session I'm returning to. What is the best way to handle getting back to the Blazor application from Stripe checkout. Appreciate any help.
I am afraid we don't have experience with Stripe and don't know what could be throwing the exception. Do you have a stacktrace? Also can you run the app with Visual Studio so it breaks when the exception happens?
Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware: Information: The file /js/scripts.js was not modified
Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware: Information: The file /assets/css/fluent.css was not modified
Microsoft.AspNetCore.Hosting.Diagnostics: Information: Request finished HTTP/1.1 GET http://localhost:5000/js/scripts.js - - - 304 - application/javascript 87.0582ms
Microsoft.AspNetCore.Hosting.Diagnostics: Information: Request finished HTTP/1.1 GET http://localhost:5000/assets/css/fluent.css - - - 304 - text/css 30.2153ms
Microsoft.AspNetCore.Hosting.Diagnostics: Information: Request starting HTTP/1.1 GET http://localhost:5000/_blazor/initializers - -
Microsoft.AspNetCore.Routing.EndpointMiddleware: Information: Executing endpoint 'Blazor initializers'
Microsoft.AspNetCore.Routing.EndpointMiddleware: Information: Executed endpoint 'Blazor initializers'
Microsoft.AspNetCore.Hosting.Diagnostics: Information: Request finished HTTP/1.1 GET http://localhost:5000/_blazor/initializers - - - 200 - application/json;+charset=utf-8 25.1430ms
Microsoft.AspNetCore.Hosting.Diagnostics: Information: Request starting HTTP/1.1 POST http://localhost:5000/_blazor/negotiate?negotiateVersion=1 text/plain;charset=UTF-8 0
Microsoft.AspNetCore.Routing.EndpointMiddleware: Information: Executing endpoint '/_blazor/negotiate'
Microsoft.AspNetCore.Routing.EndpointMiddleware: Information: Executed endpoint '/_blazor/negotiate'
Microsoft.AspNetCore.Hosting.Diagnostics: Information: Request finished HTTP/1.1 POST http://localhost:5000/_blazor/negotiate?negotiateVersion=1 text/plain;charset=UTF-8 0 - 200 316 application/json 23.4176ms
Microsoft.AspNetCore.Hosting.Diagnostics: Information: Request starting HTTP/1.1 GET http://localhost:5000/_blazor?id=xd6F8JQ522iIjp6VCYZbrg - -
Microsoft.AspNetCore.Routing.EndpointMiddleware: Information: Executing endpoint '/_blazor'
Microsoft.EntityFrameworkCore.Infrastructure: Information: Entity Framework Core 6.0.0 initialized 'ApplicationIdentityDbContext' using provider 'Microsoft.EntityFrameworkCore.SqlServer:6.0.0' with options: None
Exception thrown: 'System.NullReferenceException' in RazorLead.dll
Object reference not set to an instance of an object.
The code fails at OnInitializedAsync() before the Load event when security is enabled.
protected override async System.Threading.Tasks.Task OnInitializedAsync()
{
await Security.InitializeAsync(AuthenticationStateProvider);
await Load();
}
Again, the application worked perfectly until I enable security with aspnet users and roles. thank you for your help.
| > | RazorLead.dll!RazorLead.Pages.Success2.BuildRenderTree.AnonymousMethod__0_3(Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder3) | Unknown |
|---|---|---|
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.CascadingValue<System.__Canon>.Render(Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder builder) | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.Rendering.ComponentState.RenderIntoBatch(Microsoft.AspNetCore.Components.Rendering.RenderBatchBuilder batchBuilder, Microsoft.AspNetCore.Components.RenderFragment renderFragment, out System.Exception renderFragmentException) | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.RenderTree.Renderer.ProcessRenderQueue() | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.RenderTree.Renderer.AddToRenderQueue(int componentId, Microsoft.AspNetCore.Components.RenderFragment renderFragment) | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.ComponentBase.StateHasChanged() | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.ComponentBase.CallOnParametersSetAsync() | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.ComponentBase.RunInitAndSetParametersAsync() | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.Rendering.ComponentState.SupplyCombinedParameters(Microsoft.AspNetCore.Components.ParameterView directAndCascadingParameters) | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.Rendering.ComponentState.SetDirectParameters(Microsoft.AspNetCore.Components.ParameterView parameters) | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.RenderTree.Renderer.RenderRootComponentAsync(int componentId, Microsoft.AspNetCore.Components.ParameterView initialParameters) | Unknown | |
| Microsoft.AspNetCore.Components.Server.dll!Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost.InitializeAsync.AnonymousMethod__0() | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.InvokeAsync.AnonymousMethod__9_0(object state) | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronously(System.Threading.Tasks.TaskCompletionSource completion, System.Threading.SendOrPostCallback d, object state) | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.ExecuteSynchronouslyIfPossible(System.Threading.SendOrPostCallback d, object state) | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContext.InvokeAsync(System.Func<System.Threading.Tasks.Task> asyncAction) | Unknown | |
| Microsoft.AspNetCore.Components.dll!Microsoft.AspNetCore.Components.Rendering.RendererSynchronizationContextDispatcher.InvokeAsync(System.Func<System.Threading.Tasks.Task> workItem) | Unknown | |
| Microsoft.AspNetCore.Components.Server.dll!Microsoft.AspNetCore.Components.Server.Circuits.CircuitHost.InitializeAsync(Microsoft.AspNetCore.Components.ProtectedPrerenderComponentApplicationStore store, System.Threading.CancellationToken cancellationToken) | Unknown | |
| Microsoft.AspNetCore.Components.Server.dll!Microsoft.AspNetCore.Components.Server.ComponentHub.StartCircuit(string baseUri, string uri, string serializedComponentRecords, string applicationState) | Unknown | |
| [Lightweight Function] | ||
| Microsoft.AspNetCore.SignalR.Core.dll!Microsoft.AspNetCore.SignalR.Internal.DefaultHubDispatcher<Microsoft.AspNetCore.Components.Server.ComponentHub>.ExecuteMethod(Microsoft.Extensions.Internal.ObjectMethodExecutor methodExecutor, Microsoft.AspNetCore.SignalR.Hub hub, object[] arguments) | Unknown | |
| Microsoft.AspNetCore.SignalR.Core.dll!Microsoft.AspNetCore.SignalR.Internal.DefaultHubDispatcher<Microsoft.AspNetCore.Components.Server.ComponentHub>.Invoke.__ExecuteInvocation | 16_0(Microsoft.AspNetCore.SignalR.Internal.DefaultHubDispatcher<Microsoft.AspNetCore.Components.Server.ComponentHub> dispatcher, Microsoft.Extensions.Internal.ObjectMethodExecutor methodExecutor, Microsoft.AspNetCore.Components.Server.ComponentHub hub, object[] arguments, Microsoft.Extensions.DependencyInjection.AsyncServiceScope scope, Microsoft.AspNetCore.SignalR.IHubActivator<Microsoft.AspNetCore.Components.Server.ComponentHub> hubActivator, Microsoft.AspNetCore.SignalR.HubConnectionContext connection, Microsoft.AspNetCore.SignalR.Protocol.HubMethodInvocationMessage hubMethodInvocationMessage, bool isStreamCall) | |
| Microsoft.AspNetCore.SignalR.Core.dll!Microsoft.AspNetCore.SignalR.Internal.DefaultHubDispatcher<Microsoft.AspNetCore.Components.Server.ComponentHub>.Invoke(Microsoft.AspNetCore.SignalR.Internal.HubMethodDescriptor descriptor, Microsoft.AspNetCore.SignalR.HubConnectionContext connection, Microsoft.AspNetCore.SignalR.Protocol.HubMethodInvocationMessage hubMethodInvocationMessage, bool isStreamResponse, bool isStreamCall) | Unknown | |
| Microsoft.AspNetCore.SignalR.Core.dll!Microsoft.AspNetCore.SignalR.Internal.DefaultHubDispatcher<Microsoft.AspNetCore.Components.Server.ComponentHub>.ProcessInvocation(Microsoft.AspNetCore.SignalR.HubConnectionContext connection, Microsoft.AspNetCore.SignalR.Protocol.HubMethodInvocationMessage hubMethodInvocationMessage, bool isStreamResponse) | Unknown | |
| Microsoft.AspNetCore.SignalR.Core.dll!Microsoft.AspNetCore.SignalR.Internal.DefaultHubDispatcher<System.__Canon>.DispatchMessageAsync(Microsoft.AspNetCore.SignalR.HubConnectionContext connection, Microsoft.AspNetCore.SignalR.Protocol.HubMessage hubMessage) | Unknown | |
| Microsoft.AspNetCore.SignalR.Core.dll!Microsoft.AspNetCore.SignalR.HubConnectionHandler<Microsoft.AspNetCore.Components.Server.ComponentHub>.DispatchMessagesAsync(Microsoft.AspNetCore.SignalR.HubConnectionContext connection) | Unknown | |
| [Resuming Async Method] | ||
| System.Private.CoreLib.dll!System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(System.Threading.Thread threadPoolThread, System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state) | Unknown | |
| System.Private.CoreLib.dll!System.Runtime.CompilerServices.AsyncTaskMethodBuilder<System.Threading.Tasks.VoidTaskResult>.AsyncStateMachineBox<Microsoft.AspNetCore.SignalR.HubConnectionHandler<Microsoft.AspNetCore.Components.Server.ComponentHub>.d__20>.MoveNext(System.Threading.Thread threadPoolThread) | Unknown | |
| System.Private.CoreLib.dll!System.Threading.ThreadPoolWorkQueue.Dispatch() | Unknown | |
| System.Private.CoreLib.dll!System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart() | Unknown | |
| System.Private.CoreLib.dll!System.Threading.Thread.StartCallback() | Unknown | |
| [Async Call Stack] | ||
| [Async] Microsoft.AspNetCore.SignalR.Core.dll!Microsoft.AspNetCore.SignalR.HubConnectionHandler<Microsoft.AspNetCore.Components.Server.ComponentHub>.RunHubAsync(Microsoft.AspNetCore.SignalR.HubConnectionContext connection) | Unknown | |
| [Async] Microsoft.AspNetCore.SignalR.Core.dll!Microsoft.AspNetCore.SignalR.HubConnectionHandler<Microsoft.AspNetCore.Components.Server.ComponentHub>.OnConnectedAsync(Microsoft.AspNetCore.Connections.ConnectionContext connection) | Unknown | |
| [Async] Microsoft.AspNetCore.Http.Connections.dll!Microsoft.AspNetCore.Http.Connections.Internal.HttpConnectionContext.ExecuteApplication(Microsoft.AspNetCore.Connections.ConnectionDelegate connectionDelegate) | Unknown | |
| [Async] System.Private.CoreLib.dll!System.Threading.Tasks.Task.WhenAny | Unknown | |
| [Async] Microsoft.AspNetCore.Http.Connections.dll!Microsoft.AspNetCore.Http.Connections.Internal.HttpConnectionDispatcher.DoPersistentConnection(Microsoft.AspNetCore.Connections.ConnectionDelegate connectionDelegate, Microsoft.AspNetCore.Http.Connections.Internal.Transports.IHttpTransport transport, Microsoft.AspNetCore.Http.HttpContext context, Microsoft.AspNetCore.Http.Connections.Internal.HttpConnectionContext connection) | Unknown | |
| [Async] Microsoft.AspNetCore.Http.Connections.dll!Microsoft.AspNetCore.Http.Connections.Internal.HttpConnectionDispatcher.ExecuteAsync(Microsoft.AspNetCore.Http.HttpContext context, Microsoft.AspNetCore.Connections.ConnectionDelegate connectionDelegate, Microsoft.AspNetCore.Http.Connections.HttpConnectionDispatcherOptions options, Microsoft.AspNetCore.Http.Connections.Internal.ConnectionLogScope logScope) | Unknown | |
| [Async] Microsoft.AspNetCore.Http.Connections.dll!Microsoft.AspNetCore.Http.Connections.Internal.HttpConnectionDispatcher.ExecuteAsync(Microsoft.AspNetCore.Http.HttpContext context, Microsoft.AspNetCore.Http.Connections.HttpConnectionDispatcherOptions options, Microsoft.AspNetCore.Connections.ConnectionDelegate connectionDelegate) | Unknown | |
| [Async] Microsoft.AspNetCore.Routing.dll!Microsoft.AspNetCore.Routing.EndpointMiddleware.Invoke.__AwaitRequestTask | 6_0(Microsoft.AspNetCore.Http.Endpoint endpoint, System.Threading.Tasks.Task requestTask, Microsoft.Extensions.Logging.ILogger logger) | |
| [Async] Microsoft.AspNetCore.Authorization.Policy.dll!Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(Microsoft.AspNetCore.Http.HttpContext context) | Unknown | |
| [Async] Microsoft.AspNetCore.Authentication.dll!Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(Microsoft.AspNetCore.Http.HttpContext context) | Unknown | |
| [Async] Microsoft.AspNetCore.Diagnostics.dll!Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(Microsoft.AspNetCore.Http.HttpContext context) | Unknown | |
| [Async] Microsoft.AspNetCore.Watch.BrowserRefresh.dll!Microsoft.AspNetCore.Watch.BrowserRefresh.BrowserRefreshMiddleware.InvokeAsync(Microsoft.AspNetCore.Http.HttpContext context) | Unknown | |
| [Async] Microsoft.AspNetCore.Server.IIS.dll!Microsoft.AspNetCore.Server.IIS.Core.IISHttpContextOfT<Microsoft.AspNetCore.Hosting.HostingApplication.Context>.ProcessRequestAsync() | Unknown | |
| [Async] Microsoft.AspNetCore.Server.IIS.dll!Microsoft.AspNetCore.Server.IIS.Core.IISHttpContext.HandleRequest() | Unknown |
It seems the exception happens during page rendering and not during InitializeAsync. Check if you are using Security.User somewhere (in the layout or the page itself). You can temporarily remove that usage to see if the problem goes away.
will do. i'll let you know. thanks again. appreciate it.