Activities of "AI-Bot"

  1. Solution Below is a verified, end-to-end way to implement a self-service “upgrade/downgrade edition” flow with ABP Commercial’s SaaS + Payment modules (Stripe), including proration and without bypassing the Payment module. It reuses the built-in subscription pipeline and webhooks so tenant edition/renewal dates are updated by ABP.

Key points

  • Use the Payment module’s Subscription flow, not direct Stripe API calls.
  • Use the IWeb pages provided by Volo.Payment.Web/Volo.Payment.Stripe.Web for gateway selection and pre-payment.
  • ABP handles proration/dates via the gateway (Stripe “price”) and its webhook handlers that update the tenant’s edition association.
  • For now, creating a subscription via ISubscriptionAppService requires host-side execution to read Edition metadata. For tenant self-service, create a PaymentRequest with PaymentType=Subscription and attach Edition/Plan identifiers via ExtraProperties; Stripe webhook + Payment module will complete the edition change.
  • Downgrades should also be done as subscription changes (switch the Plan/GatewayPlan), letting Stripe/Payment handle timing/proration.

Step-by-step

A) Install and wire modules

  • Add Payment and Stripe packages and depends-on attributes:
    • Domain, Domain.Shared: Volo.Payment, Volo.Payment.Stripe
    • Application, Application.Contracts, HttpApi, HttpApi.Client: Volo.Payment, Volo.Payment.Admin
    • EFCore: Volo.Payment.EntityFrameworkCore and call builder.ConfigurePayment() in your DbContext; add migration/update database.
    • Web/MVC (AuthServer or Public Web where you show self-service pages): Volo.Payment.Web and Volo.Payment.Stripe.Web so you can redirect to built-in pages:
      • /Payment/GatewaySelection
      • /Payment/Stripe/PrePayment

B) Configure Payment and SaaS

  • In HttpApi.Host (where your payment APIs run):
    • Enable payment integration for SaaS: Configure<AbpSaasPaymentOptions>(opts => opts.IsPaymentSupported = true);
    • appsettings.json:
"Payment": {
      "Stripe": {
        "PublishableKey": "pk_test_xxx",
        "SecretKey": "sk_test_xxx",
        "WebhookSecret": "whsec_xxx",
        "Currency": "USD",        // set as needed
        "Locale": "auto",
        "PaymentMethodTypes": []  // leave empty; module adds “card” automatically
      }
    }
  • In your Web or AuthServer module, where you host UI pages:
    • PreConfigure PaymentWebOptions so the built-in pages know where to come back:
public override void PreConfigureServices(ServiceConfigurationContext context)
    {
        var configuration = context.Services.GetConfiguration();
        Configure<PaymentWebOptions>(options =>
        {
            options.RootUrl = configuration["App:SelfUrl"];
            options.CallbackUrl = configuration["App:SelfUrl"] + "/PaymentSucceed";
        });
    }

C) Define SaaS Editions, Plans and Stripe mapping

  • Create/Configure:
    • Edition(s)
    • Plan(s) under editions
    • Gateway Plan(s) for Stripe: ExternalId must be the Stripe price_id (not product_id). This enables proration/recurring behavior consistent with Stripe price configuration.

D) Self-service “change plan” UI flow (tenant-facing)

  • Recommended approach for tenant self-service is creating a PaymentRequest with PaymentType=Subscription and redirecting to GatewaySelection. You can carry EditionId/TenantId in ExtraProperties, so webhook processing can finalize the edition change.

Example MVC page model (tenant UI):

public class ChangePlanModel : PageModel
  {
      private readonly IPaymentRequestAppService _paymentRequestAppService;
      private readonly ICurrentTenant _currentTenant;
      public ChangePlanModel(IPaymentRequestAppService paymentRequestAppService, ICurrentTenant currentTenant)
      {
          _paymentRequestAppService = paymentRequestAppService;
          _currentTenant = currentTenant;
      }

      public async Task<IActionResult> OnPostAsync(Guid editionId, Guid planId)
      {
          // Carry needed info for webhook/finalization
          var pr = await _paymentRequestAppService.CreateAsync(
              new PaymentRequestCreateDto
              {
                  Products =
                  {
                      new PaymentRequestProductCreateDto
                      {
                          PaymentType = PaymentType.Subscription,
                          Name = "PlanChange",
                          Code = $"{_currentTenant.Id}_{planId}",
                          Count = 1,
                          PlanId = planId
                      }
                  }
              }.WithExtra(new ExtraPropertyDictionary
              {
                  { "EditionId", editionId },
                  { "TenantId", _currentTenant.Id }
              })
          );

          return LocalRedirectPreserveMethod("/Payment/GatewaySelection?paymentRequestId=" + pr.Id);
      }
  }

Helper extension (optional):

public static class PaymentRequestDtoExtensions
  {
      public static PaymentRequestCreateDto WithExtra(this PaymentRequestCreateDto dto, ExtraPropertyDictionary extras)
      {
          dto.ExtraProperties = extras;
          return dto;
      }
  }

Notes

  • This uses PaymentRequestAppService, so tenant users don’t need host-level permissions to call ISubscriptionAppService. The Payment module + Stripe will handle starting/changing the subscription. The built-in webhook will read the PaymentRequest and update the tenant’s edition and dates.
  • The change (upgrade/downgrade) is driven by the plan/price you pass (PlanId mapped to a Stripe price). Stripe proration behavior applies automatically if you configured proration in Stripe price/subscription settings.

E) Redirects and built-in UI

  • After creating the payment request, redirect to:
    • /Payment/GatewaySelection?paymentRequestId=...
      • If only one gateway is active, it will auto-forward to:
    • /Payment/Stripe/PrePayment?paymentRequestId=...
      • This calls the Payment API (POST /api/payment/stripe/start) and then redirects the user to Stripe Checkout.
  • On success, Stripe returns to PaymentWebOptions.CallbackUrl (e.g., /PaymentSucceed). Meanwhile, Stripe sends webhook events that ABP handles to finalize the subscription and update the SaasTenant edition/renewal data.

F) Webhooks are mandatory

  • Ensure the Stripe webhook endpoint is configured in Stripe to point to your HttpApi.Host base URL with the ABP Stripe webhook path. Use the WebhookSecret in appsettings. On local dev, use Stripe CLI to forward events. Without webhooks, the edition won’t update automatically.

G) Downgrade and upgrade are the same flow

  • Present the tenant with available plans (including current plan).
  • When they pick a new plan (higher or lower), create a new PaymentRequest (PaymentType=Subscription, PlanId = new plan) and redirect as above.
  • Stripe will calculate proration; ABP webhook handler will update the tenant’s edition end date and plan info accordingly.

H) If you prefer ISubscriptionAppService

  • You can continue to use ISubscriptionAppService.CreateSubscriptionAsync(editionId, tenantId) but today it must be executed in host context to read Edition data; tenant-side calls can get 403. The tenant-flow via PaymentRequest shown above avoids that constraint and stays within supported APIs.

I) Angular UI

  • Admin UI management is provided by @volo/abp.ng.payment. For tenant self-service, you can use a simple Angular component that calls your backend endpoint to create a PaymentRequest and then redirects the browser to /Payment/GatewaySelection?paymentRequestId=... hosted on your MVC/AuthServer app. This reuses the built-in pages for selection and pre-payment.

Common pitfalls and fixes

  • GatewayPlan.ExternalId must be Stripe price_id, not product_id.
  • In appsettings, set "PaymentMethodTypes": [] to avoid duplications; the module adds “card.”
  • Remember to add Volo.Payment.Web and Volo.Payment.Stripe.Web to the project that renders the redirect destination, and configure PaymentWebOptions.RootUrl/CallbackUrl.
  • Ensure EF migration for Payment tables is applied.
  • Verify the webhook secret and that the webhook actually reaches your API Host.
  1. Sources
  • https://abp.io/docs/latest/modules/payment
  • https://abp.io/docs/latest/modules/payment#subscription
  • https://abp.io/support/questions/7847

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  1. Solution Your AuthServer is rejecting the authorization request because the redirect_uri sent by the Angular app (http://10.136.36.151:4200) is not registered as an allowed redirect/callback URL for the client NovaLab_App.

Do the following:

  • Add the Angular URL(s) to RedirectAllowedUrls (ABP/OpenIddict)
    • In your AuthServer (or HttpApi.Host for non-tiered Angular apps), open appsettings.json and set:
"App": {
    "SelfUrl": "https://10.136.36.151:44380",
    "RedirectAllowedUrls": "http://localhost:4200,http://10.136.36.151:4200,https://10.136.36.151:4200"
  }

Notes:

  • Include every URL the SPA can use: local dev, IP:port, domain names, and HTTPS variants (if applicable).

  • If you terminate TLS elsewhere but serve Angular over HTTPS, include the https:// variant.

  • Restart the AuthServer after changing appsettings.

  • Ensure the OpenIddict client (NovaLab_App) has the exact redirect URIs

    • If you seed clients in code (e.g., OpenIddictDataSeedContributor), ensure NovaLab_App includes:
      • RedirectUris: http://10.136.36.151:4200
      • PostLogoutRedirectUris: http://10.136.36.151:4200
      • Also include http://localhost:4200 for local dev.
    • Re-run migrator/seed or update via OpenIddict management UI if you have it.
    • Redirect URIs must match exactly (scheme, host, port, path).
  • Align Angular environment configuration

    • In angular/src/environments/environment.prod.ts (and environment.ts), verify:
      • oAuthConfig.issuer points to your AuthServer public URL (https://10.136.36.151:44380).
      • oAuthConfig.redirectUri equals the SPA origin used by the browser (e.g., http://10.136.36.151:4200).
      • oAuthConfig.postLogoutRedirectUri matches the same origin.
    • The SPA’s redirectUri must be one of the allowed RedirectUris you registered.
  • Don’t mix schemes unintentionally

    • Your log shows AuthServer at https://10.136.36.151:44380 while Angular is http://10.136.36.151:4200. This is fine as long as http://10.136.36.151:4200 is explicitly allowed.
    • If you switch Angular to HTTPS later, add the https://:4200 variant too.
  • Reverse proxy/containers tip

    • If running behind a proxy, ensure the AuthServer sees the correct external scheme/host (use ForwardedHeaders middleware). This doesn’t change redirect_uri validation but prevents other OIDC issues.

After these changes, restart services. The login should proceed without “invalid redirect_uri”.

  1. Sources
  • OpenIddict deployment note (register RedirectAllowedUrls for Angular/Blazor):
    • https://abp.io/docs/latest/solution-templates/layered-web-application/deployment/openiddict-deployment

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  1. Solution ABP UI renders global CSS/JS through the bundling system and the Virtual File System. In production containers, the “Could not find file '~/global-styles.css'” error typically happens because the file is not included in any bundle or the static/virtual files are not mapped/packaged into the image.

Apply all steps below:

  • Ensure you add your CSS into the Basic Theme global bundle (so ABP can serve it virtually)
using Volo.Abp.AspNetCore.Mvc.UI.Bundling;
  using Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic.Bundling;

  public class ProdigyEnablerWebModule : AbpModule
  {
      public override void ConfigureServices(ServiceConfigurationContext context)
      {
          Configure<AbpBundlingOptions>(options =>
          {
              options.StyleBundles.Configure(BasicThemeBundles.Styles.Global, bundle =>
              {
                  // Path must be relative to web root (wwwroot)
                  bundle.AddFiles("/styles/global-styles.css");
              });
          });
      }
  }

Notes:

  • Place the file at WebProject/wwwroot/styles/global-styles.css.
  • Don’t reference “~/global-styles.css” directly in your layout; use the bundle tag helper:
<abp-style-bundle name="@BasicThemeBundles.Styles.Global" />
  • Map ABP static assets in the ASP.NET Core pipeline (for virtual/static files to be reachable)
public override void OnApplicationInitialization(ApplicationInitializationContext context)
  {
      var app = context.GetApplicationBuilder();
      var env = context.GetEnvironment();

      if (!env.IsDevelopment())
      {
          app.UseHsts();
      }

      app.UseHttpsRedirection();
      app.UseStaticFiles();
      app.MapAbpStaticAssets(); // important for ABP’s virtual files
      app.UseRouting();
      app.UseAuthentication();
      app.UseAuthorization();
      app.UseConfiguredEndpoints();
  }
  • Ensure client libraries and bundles are present when you build/publish:

    • If your UI depends on npm/yarn packages (e.g., theme packages), run install-libs during CI:
      • Add a step in your Dockerfile or CI to execute from the Web project folder:
        • dotnet tool restore
        • dotnet tool update -g Volo.Abp.Cli (optional)
        • abp install-libs
    • Then publish:
      • dotnet publish -c Release -o /app/publish
    • Copy the published output only in your final image (multi-stage build).
  • Dockerfile (reference pattern)

    • Multi-stage example to guarantee libs and wwwroot are included:
FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
    WORKDIR /src

    # Copy solution and restore
    COPY ./ ./
    RUN dotnet restore

    # Install ABP libs for the Web project (adjust path to your Web csproj folder)
    WORKDIR /src/YourCompany.YourProj.Web
    RUN dotnet tool restore
    RUN dotnet tool install -g Volo.Abp.Cli || true
    ENV PATH="$PATH:/root/.dotnet/tools"
    RUN abp install-libs

    # Build and publish
    WORKDIR /src
    RUN dotnet publish YourCompany.YourProj.Web/YourCompany.YourProj.Web.csproj -c Release -o /app/publish

    FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS final
    WORKDIR /app
    COPY --from=build /app/publish .
    ENV ASPNETCORE_URLS=http://+:8080
    EXPOSE 8080
    ENTRYPOINT ["dotnet", "YourCompany.YourProj.Web.dll"]
  • CI/CD (DigitalOcean)

    • If you build inside CI, ensure the abp install-libs step runs before dotnet publish, and the working directory is the Web project where package.json/abp.resourcemapping.js live.
    • Do not ignore wwwroot in .dockerignore.
  • Verify at runtime

    • After container starts, check:
      • GET http://your-host/global.css → should return combined CSS (if using Global Assets) or
      • Ensure your page renders <abp-style-bundle name="@BasicThemeBundles.Styles.Global" /> and the network tab shows the CSS request(s) from /styles/global-styles.css included in the bundle.
    • If you still reference “~/global-styles.css” directly anywhere, remove it and rely on the bundle.

Common pitfalls that cause this error

  • Using bundle.AddFiles("~/global-styles.css") with a wrong path. Use a rooted web path like “/styles/global-styles.css” that matches wwwroot/styles/global-styles.css.
  • Missing app.MapAbpStaticAssets() or app.UseStaticFiles() in Program.cs/Module.
  • Not running abp install-libs during container build (relevant if you use theme or library bundles).
  • Publishing from a solution root without first installing libs in the Web project.
  • Trimming/publish options removing embedded/virtual files. If you enabled aggressive trimming, disable it for the web project or ensure ABP assemblies’ resources are preserved.
  1. Sources
  • ABP Basic Theme – add a global style via bundling:
    • https://abp.io/docs/latest/framework/ui/mvc-razor-pages/basic-theme
  • ABP Modularity basics (for where to configure bundling in your module):
    • https://abp.io/docs/latest/framework/architecture/modularity/basics

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  1. Solution To make the Angular app request the OpenID Connect discovery document from your real server host instead of https://localhost:44380, you must configure both the Angular environment and the backend Authority/SelfUrl consistently for your deployment host.

Do the following:

  • Angular (environment.prod.ts)
    • Set baseUrl to the public Angular URL you are using in production.
    • Set oAuthConfig.issuer to your backend’s public HTTPS authority (with a trailing slash).
    • Keep requireHttps = true for production (recommended).
    • Example:
import { Environment } from '@abp/ng.core';

  const baseUrl = 'http://serviceip:4200'; // or https if you have TLS on the SPA

  const oAuthConfig = {
    issuer: 'https://serverhost:44380/', // IMPORTANT: public HTTPS authority with trailing slash
    redirectUri: baseUrl,
    clientId: 'NovaLab_App',
    responseType: 'code',
    scope: 'offline_access NovaLab',
    requireHttps: true,
    impersonation: {
      tenantImpersonation: true,
      userImpersonation: true,
    },
  };

  export const environment = {
    production: true,
    application: {
      baseUrl,
      name: 'NovaLab',
    },
    oAuthConfig,
    apis: {
      default: {
        url: 'https://serverhost:44380', // same host as issuer
        rootNamespace: 'RZ.NovaLab',
      },
      AbpAccountPublic: {
        url: oAuthConfig.issuer,
        rootNamespace: 'AbpAccountPublic',
      },
    },
    remoteEnv: {
      url: '/getEnvConfig',
      mergeStrategy: 'deepmerge',
    },
  } as Environment;
  • Backend (HttpApi.Host or AuthServer)
    • Ensure App:SelfUrl equals your public HTTPS root (https://serverhost:44380).
    • Set AuthServer:Authority to the same public HTTPS URL.
    • If you’re behind a reverse proxy/loader (IIS, Nginx, Azure App Service, etc.), make sure the backend generates HTTPS endpoints inside the discovery document. Add forwarded headers and/or force scheme to https:
// Program.cs or the module's OnApplicationInitialization:
  app.UseForwardedHeaders(new ForwardedHeadersOptions
  {
      ForwardedHeaders = ForwardedHeaders.XForwardedProto | ForwardedHeaders.XForwardedFor
  });

  // If your proxy doesn’t set X-Forwarded-Proto properly, force https as a fallback:
  app.Use(async (ctx, next) =>
  {
      ctx.Request.Scheme = "https";
      await next();
  });
  • When using OpenIddict, ensure the issuer matches your public HTTPS authority:
PreConfigure<OpenIddictServerBuilder>(builder =>
  {
      builder.SetIssuer(new Uri(configuration["AuthServer:Authority"]!)); // https://serverhost:44380
  });
  • Common pitfalls to avoid
    • Mismatch between Angular issuer and backend Authority/SelfUrl. They must point to the same public host and scheme.
    • Missing trailing slash in issuer on Angular. Add it (…/).
    • Using http in production: Angular’s OAuth library validates that all discovery document URLs are HTTPS when requireHttps is true. Ensure your discovery document (/.well-known/openid-configuration) shows HTTPS for issuer, authorization_endpoint, token_endpoint, jwks_uri, etc. If it shows http, fix proxy headers or force https as shown above.

After these changes, browsing http://serviceip:4200 (or https if applicable) should fetch the discovery document from https://serverhost:44380/.well-known/openid-configuration instead of https://localhost:44380, and complete the OIDC flow successfully.

  1. Sources
  • OpenIddict Angular Migration (issuer trailing slash)
    • https://abp.io/docs/latest/release-info/migration-guides/openiddict-angular
  • Related support threads on ensuring issuer/authority match and HTTPS discovery behind proxies
    • https://abp.io/support/questions/4338
    • https://abp.io/support/questions/10011

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  1. Solution
  • What ABP does (and does not) do

    • When you set AbpClockOptions.Kind = DateTimeKind.Utc, ABP normalizes DateTime values to UTC for persistence and for API responses. This is by design. ABP does not automatically convert DateTime values to the user’s local time in JSON responses. Clients should receive UTC (e.g., 2025-11-25T12:19:28Z) and render/convert to the user time zone on the UI.
    • ABP performs timezone conversions only when you explicitly call the helpers:
      • Server-side: IClock.ConvertToUserTime(...) and IClock.ConvertToUtc(...)
      • JavaScript: abp.clock.normalizeToLocaleString(...) and abp.clock.normalizeToString(...)
      • Blazor: inject IClock and call ConvertToUserTime/ConvertToUtc where you display or accept input.
  • Why your user-specific TimeZone setting did not change the API output

    • The user TimeZone setting (Abp.Timing.TimeZone) affects conversions performed by IClock.*Convert… methods and the ABP UI helpers, not the raw data returned by your API. With UTC clock, API responses stay UTC. You should convert on the UI or on the view model that is specifically meant for display.
  • Why your manual CreationTime change “reverted” after leaving the AppService

    • You are mapping entities to DTOs and returning them. If you mutate a DateTime to local with ToLocalTime(), you produce a local DateTime (Kind=Local/Unspecified). Before serialization, ABP’s JSON serialization keeps it as a DateTime; since the global clock is UTC, and you haven’t used IClock to convert for output, the serializer writes ISO-8601 UTC ending with Z for DateTime by convention. Net result: your manual local conversion is lost in the returned JSON. This is expected; don’t try to store UI-local values into your DTO model. Keep DTOs in UTC and convert for display.
  • Recommended, working setup for your stack (Blazor Server, ABP 9.0.2)

    1. Keep everything in UTC
Configure<AbpClockOptions>(options =>
     {
         options.Kind = DateTimeKind.Utc;
     });
  1. Set the user’s timezone via setting Abp.Timing.TimeZone (e.g., "Turkey Standard Time" or the IANA name depending on your environment).
  2. Blazor Server UI: convert explicitly when showing values and convert back to UTC when saving.
    • Display:
@inject IClock Clock
       @Clock.ConvertToUserTime(dto.CreationTime).ToString("yyyy-MM-dd HH:mm:ss")
 - Input -> Save:
   - If the user picked a DateTime in their local time:
dto.ScheduledTime = Clock.ConvertToUtc(userInputLocalDateTime);
   - If you use DateTimeOffset pickers, prefer storing DateTimeOffset in the entity/DTO where appropriate, or convert via Clock.ConvertToUtc(offset.DateTime) when persisting as DateTime.
  1. If you have MVC/Razor Pages or JS:
    • Add UseAbpTimeZone middleware on the server app to let ABP detect the browser timezone when a per-user/tenant setting is not present.
    • For JS forms using ABP TagHelpers/DatePicker, call before submit:
$form.handleDatepicker('input[type="hidden"][data-hidden-datepicker]');
   This uses abp.clock.normalizeToString under the hood to send UTC values.
 - For displaying in JS (DataTables or custom UI):
abp.clock.normalizeToLocaleString(utcIsoString)
  1. Don’t call DateTime.ToLocalTime() on DTOs you return from services. Instead:
    • Return UTC to clients.
    • Or, if you really must return localized values for a specific endpoint, use IClock.ConvertToUserTime on a dedicated “view”/presentation DTO and mark the property as string (already formatted) or DateTimeOffset with proper offset. Avoid mixing with standard CRUD DTOs which should remain UTC.
  • Quick example (Blazor Server list page)
@inject IClock Clock

  // In the grid template:
  @Clock.ConvertToUserTime(item.CreationTime).ToString("yyyy-MM-dd HH:mm:ss")

  // When creating/updating from local picker value:
  entity.ScheduledOnUtc = Clock.ConvertToUtc(LocalPickerValue);
  • Checklist to solve your issue now
    • Keep AbpClockOptions.Kind = Utc across all apps/services.
    • Ensure the user’s Abp.Timing.TimeZone setting is set (e.g., “Turkey Standard Time”) for that user.
    • In Blazor components, show DateTimes via Clock.ConvertToUserTime; do not expect API to return local times.
    • On create/update, convert UI-picked local times back to UTC with Clock.ConvertToUtc before saving.
    • If you use JS pages, add UseAbpTimeZone middleware and call $form.handleDatepicker(...) on submit.
  1. Sources
  • https://docs.abp.io/en/abp/latest/Framework/Infrastructure/Timing
  • https://abp.io/docs/latest/framework/infrastructure/timing
  • Community article: Developing a Multi-Timezone Application Using the ABP Framework (explains IClock, UseAbpTimeZone, Blazor/JS usage) https://abp.io/community/articles/zk7fnrdq

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  1. Solution
  • Purpose

    • EntityName: Allows a repository instance to target a named entity when the same CLR type is mapped multiple times (e.g., EF Core Shared-type entity types). Default is null; you only set it in advanced scenarios like working on multiple tables with the same entity class.
    • ProviderName: Exposes the underlying data provider used by the repository: “Volo.Abp.EntityFrameworkCore”, “Volo.Abp.MongoDB”, or “Volo.Abp.MemoryDb”. It’s mainly for internal/diagnostic use; you typically don’t set it yourself.
  • Initialization and usage

    • You do not need to initialize either property in a custom base repository unless you have a specific scenario:
      • EntityName: Leave null by default. If you need it, set it just before using the repository (e.g., in your application/domain service) and then execute queries/commands. Example:
public class MyService : ApplicationService
      {
          private readonly IRepository<MySharedType, Guid> _repo;

          public MyService(IRepository<MySharedType, Guid> repo)
          {
              _repo = repo;
          }

          public async Task<List<MySharedType>> GetFromProductTableAsync()
          {
              _repo.SetEntityName("Product"); // select the named entity mapping
              return await _repo.GetListAsync();
          }
      }
  Note: The default is null; only set a name if you intentionally mapped the same CLR type as different named entities in your DbContext/model configuration.
- ProviderName: It’s read-only from consumer perspective (you just read it). The framework sets it in the concrete repository implementation. You can check it when you need provider-specific logic:
if (_repo.ProviderName == Volo.Abp.EntityFrameworkCore.AbpEfCoreConsts.ProviderName)
      {
          // EF Core-specific path
      }
  • In custom repository base classes (like your ReadOnlyBasicRepositoryBase<TEntity>):

    • Do not assign ProviderName; allow the specific provider implementation (EF Core/MongoDB/MemoryDb) to supply it.
    • Keep EntityName as null unless your base class implements behavior depending on it. Typically, you won’t set it there; consumers can call SetEntityName(...) before use.
  • Minimal implementation suggestions for your base class

public abstract class ReadOnlyBasicRepositoryBase<TEntity> :
      IReadOnlyBasicRepository<TEntity>,
      IRepository,
      IServiceProviderAccessor,
      IUnitOfWorkEnabled
      where TEntity : class, IEntity
  {
      // The framework/provider sets this. Expose it as required by the interface.
      public string ProviderName { get; protected set; }

      // Default null. Let consumers set it when needed via SetEntityName.
      public string EntityName { get; protected set; }

      public virtual void SetEntityName(string entityName)
      {
          EntityName = entityName;
      }

      // ...rest of your implementation
  }
  • If your interface requires get-only for ProviderName, implement a protected setter or assign it in the provider-specific derived class. For EF Core/Mongo/MemDb repositories supplied by ABP, this is already handled. If you’re implementing a fully custom provider, set ProviderName with your constant provider identifier.

  • When to set them in lifecycle

    • ProviderName: Already initialized by the concrete repository instance when resolved from DI; you just read it.
    • EntityName: Set by the caller right before executing repository methods that depend on a specific named mapping. Otherwise, leave it null.
  1. Sources
  • https://abp.io/docs/latest/framework/architecture/domain-driven-design/repositories
  • https://abp.io/docs/latest/release-notes
  • https://github.com/abpframework/abp

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  1. Solution
  • Root cause

    • ABP Suite v10.0.0 bundles ClearScript (V8) for code formatting (Prettier) inside the CRUD Page Generator. On Windows ARM64, the native ClearScriptV8.win-arm64 binaries are not present under the win-arm64 runtime folder, so the JavascriptPrettierFormatter fails to load V8 and Suite throws Autofac activation errors when opening a project.
  • Temporary workarounds (pick one)

    1. Run Suite under x64 compatibility

      • Install ABP Suite into an x64 .NET environment and run it as a win-x64 process (on Windows ARM devices that can run x64 apps via emulation).
      • Command:
        • abp suite remove
        • abp suite install
      • Then start Suite from an x64 terminal (Windows on ARM can emulate x64; this lets Suite use the existing win-x64 ClearScript binaries).
    2. Disable JavaScript code formatting in Suite (bypass ClearScript)

      • Suite’s CRUD generator uses the Prettier-based formatter only to beautify generated JS/TS files. You can bypass it to avoid loading V8:
        • Close Suite.
        • Open the Suite appsettings.json under your tool store. For 10.0.0 it is typically: %USERPROFILE%.dotnet\tools.store\volo.abp.suite\10.0.0\volo.abp.suite\10.0.0\tools\net10.0\any\appsettings.json
        • Add/ensure a setting to disable JS formatting: { "CodeFormatting": { "UsePrettier": false } }
        • Start Suite again. CRUD generation will skip Prettier and avoid ClearScript.
    3. Use ABP Studio’s integrated Suite in x64 mode

      • Launch ABP Studio in x64 mode (if your Windows ARM supports x64 emulation) and open Suite from the top menu. This uses the same tool but ensures the process runs as x64 so the win-x64 ClearScript binaries load.
  • Recommended next steps

    • This is a packaging gap for Windows ARM64. Until an official build of Suite ships with ClearScriptV8.win-arm64 binaries, use one of the workarounds above.
    • If you continue hitting issues, reinstall Suite cleanly:
      • abp suite remove
      • dotnet tool uninstall Volo.Abp.Suite -g (if previously installed directly)
      • dotnet nuget locals all --clear
      • abp suite install
    • Verify ABP Studio prerequisites if launching via Studio:
      • https checks, .NET SDK installed by Studio; then open Suite again.
  1. Sources
  • ABP Suite documentation
    • https://abp.io/docs/latest/suite/
  • ABP Studio documentation (running Suite from Studio)
    • https://abp.io/docs/latest/studio/overview
  • Microsoft ClearScript project (V8 engine host)
    • https://github.com/Microsoft/ClearScript
  • Windows on ARM overview
    • https://learn.microsoft.com/en-us/windows/arm/

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  1. Solution
  • Why you see “new” values in PostContribute

    • ABP builds the AuditLog (including EntityChanges) after EF Core SaveChanges pipeline applies the changes. At PostContribute time, the tracked EntityEntry and any InternalEntity references already reflect current (new) values. This is by design: EF’s OriginalValues are updated after SaveChanges and navigation/value-object instances on the entity are the new ones.
    • Therefore, reading “old” value-object members from entityChange.EntityEntry (or its “Entity”) in PostContribute cannot yield the previous state.
  • What ABP exposes for original values today

    • ABP populates EntityChange.PropertyChanges with OriginalValue and NewValue for scalar properties it can detect. If your target is a ValueObject’s derived member (e.g., a calculated or nested member), ABP doesn’t automatically compute it. You need to compute and store it yourself before EF overwrites the tracked state.
  • Recommended approach: compute OriginalValue in PreContribute using the snapshot already captured by ABP

    1. Use PreContribute to read the ABP-captured original scalar values for the VO’s underlying properties from entityChange.PropertyChanges (these are still available).
    2. Reconstruct a lightweight “previous VO” from those original scalar property values.
    3. Compute the derived value (method/property) from this reconstructed VO and assign it to propertyChange.OriginalValue.
    4. Compute NewValue from the current entity instance (as you already do) and assign to propertyChange.NewValue.

    Code sketch:

public class ValueObjectAuditContributor : AuditLogContributor
  {
      public override void PreContribute(AuditLogContributionContext context)
      {
          if (context?.AuditInfo?.EntityChanges == null) return;

          foreach (var entityChange in context.AuditInfo.EntityChanges)
          {
              if (entityChange.PropertyChanges == null) continue;

              // Example: Suppose Address is a VO with Street, City and you want Original/New of a derived member Full.
              // First, gather originals from ABP’s recorded scalar changes.
              var originalVoParts = new Dictionary<string, string?>(StringComparer.OrdinalIgnoreCase);
              foreach (var pc in entityChange.PropertyChanges)
              {
                  // Match VO sub-properties like "Address.Street", "Address.City"
                  if (pc.PropertyName != null && pc.PropertyName.StartsWith("Address.", StringComparison.Ordinal))
                  {
                      var sub = pc.PropertyName.Substring("Address.".Length);
                      originalVoParts[sub] = pc.OriginalValue; // ABP’s captured original scalar value
                  }
              }

              // If there is enough info to reconstruct the VO, build it and compute the derived value
              if (originalVoParts.Count > 0)
              {
                  var originalVo = new Address(
                      street: originalVoParts.TryGetValue("Street", out var s) ? s : null,
                      city: originalVoParts.TryGetValue("City", out var c) ? c : null
                  );

                  // Find or create a synthetic propertyChange entry for the derived member
                  var fullPc = entityChange.PropertyChanges
                      .FirstOrDefault(x => x.PropertyName == "Address.Full");
                  if (fullPc == null)
                  {
                      fullPc = new EntityPropertyChangeInfo
                      {
                          PropertyName = "Address.Full",
                          PropertyTypeFullName = "System.String"
                      };
                      entityChange.PropertyChanges.Add(fullPc);
                  }

                  // Set Original derived value from reconstructed VO
                  fullPc.OriginalValue = originalVo.Full; // computed at PreContribute time
              }
          }
      }

      public override void PostContribute(AuditLogContributionContext context)
      {
          if (context?.AuditInfo?.EntityChanges == null) return;

          foreach (var entityChange in context.AuditInfo.EntityChanges)
          {
              if (entityChange.PropertyChanges == null) continue;

              // Compute New derived value from the current entity (which now holds the new VO)
              var entryWrapper = entityChange.EntityEntry;
              var entity = entryWrapper?.GetType().GetProperty("Entity")?.GetValue(entryWrapper);
              if (entity == null) continue;

              var addressProp = entity.GetType().GetProperty("Address");
              var newVo = addressProp?.GetValue(entity);
              if (newVo == null) continue;

              var fullPc = entityChange.PropertyChanges
                  .FirstOrDefault(x => x.PropertyName == "Address.Full");
              if (fullPc == null)
              {
                  fullPc = new EntityPropertyChangeInfo
                  {
                      PropertyName = "Address.Full",
                      PropertyTypeFullName = "System.String"
                  };
                  entityChange.PropertyChanges.Add(fullPc);
              }

              var fullMember = newVo.GetType().GetProperty("Full"); // or method invoke if needed
              var newResult = fullMember?.GetValue(newVo)?.ToString();
              if (!string.IsNullOrEmpty(newResult))
              {
                  fullPc.NewValue = newResult;
                  fullPc.PropertyTypeFullName = "System.String";
              }
          }
      }
  }

Notes:

  • The key is PreContribute: it runs before ABP finalizes the audit info and while ABP’s captured OriginalValue for scalar properties is still in the PropertyChanges list. You cannot rely on EF’s EntityEntry to have old in-memory VO instances after SaveChanges.

  • If the VO is stored as an owned entity with its scalar columns, ABP should record property changes for those columns when they actually change. If not, add the owned scalar properties to the EntityHistory selectors and ensure EF detects the changes.

  • Alternative: capture a pre-save snapshot in a SaveChanges interceptor

    • If your VO changes aren’t resulting in ABP property changes at the scalar level, introduce a DbContext interceptor or override AbpDbContext.ChangeTracker-based capture just before ApplyAbpConcepts and SaveChanges, stash the original VO snapshot into the current UnitOfWork’s Items, then read it in PreContribute to fill propertyChange.OriginalValue. This keeps timing correct and avoids relying on EntityEntry after SaveChanges.
  • Is there an existing built-in way for VO-derived members?

    • ABP does not calculate derived/orchestrated ValueObject members into EntityChange.PropertyChanges out of the box. You need a contributor (as shown) or a custom interception to reconstruct the originals and set OriginalValue yourself.
    • This approach aligns with common ABP conventions, but specific official documentation for “value-object derived member original values in contributors” is not available.
  • Practical checklist

    • Use PreContribute to fill OriginalValue for VO-derived members from ABP’s scalar PropertyChanges.
    • Use PostContribute (or PreContribute) to fill NewValue from the current entity/VO instance.
    • Ensure EF marks the owned/VO scalar columns as modified so ABP records Original/New for them.
    • Avoid trying to read original VO instances from EntityEntry in PostContribute—those are already replaced.
  1. Sources
  • https://abp.io/docs/latest/framework/infrastructure/audit-logging
  • https://abp.io/docs/latest/framework/infrastructure/audit-logging#entity-changes
  • https://github.com/abpframework/abp/blob/dev/framework/src/Volo.Abp.Auditing/Volo/Abp/Auditing/AuditLogContributor.cs
  • https://github.com/abpframework/abp/blob/dev/framework/src/Volo.Abp.EntityFrameworkCore/Volo/Abp/EntityFrameworkCore/AbpDbContext.cs
  • https://github.com/abpframework/abp/search?q=EntityChange.EntityEntry

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Answer
  1. Solution The NullReferenceException on await builder.AddApplicationAsync<YourAuthServerModule>() typically happens after an incomplete migration of the hosting bootstrap to the new “minimal hosting” style introduced in ABP 8+. In ABP 9.x, your Program.cs should follow ABP’s current pattern and you must call InitializeApplicationAsync on the built app.

Do this:

  • Ensure Program.cs is minimal-host style and ordered exactly like this:
using YourCompany.YourAuthServer;

  var builder = WebApplication.CreateBuilder(args);

  // host configuration (optional)
  builder.Host
      .AddAppSettingsSecretsJson()
      .UseAutofac();

  // logging configuration (optional)
  builder.Host.UseSerilog();

  // add ABP application
  await builder.AddApplicationAsync<YourAuthServerModule>();

  var app = builder.Build();

  await app.InitializeApplicationAsync();
  await app.RunAsync();
  • Remove legacy Startup.cs usage. In ABP 9.x, you should not use services.AddApplication<TModule>() in Startup plus Host.CreateDefaultBuilder; use the Program.cs pattern above.
  • Do not access builder.Environment before CreateBuilder(args). Ensure any path-based configuration runs after CreateBuilder and uses builder.Environment safely:
builder.Configuration
      .SetBasePath(builder.Environment.ContentRootPath)
      .AddJsonFile($"appsettings.json", optional: false, reloadOnChange: true)
      .AddJsonFile($"appsettings.{builder.Environment.EnvironmentName}.json", optional: true);
  • Make sure your module class depends on proper ABP modules for the AuthServer. For IdentityServer-based auth servers from older versions, transition to the OpenIddict-based module set if you already moved per migration guides. If you still use IdentityServer temporarily, ensure packages and module dependencies are consistent (same major/minor ABP version).
  • Verify your project targets a supported framework for ABP 9.3 (net8.0 or net9.0 per your SDK) and all Volo.Abp.* packages are the same 9.3.x version across all projects.
  • If you still hit the NullReferenceException, it’s typically due to an exception thrown inside the module pre-ConfigureServices that gets swallowed until AddApplicationAsync. Run with detailed errors to see the inner exception:
    • Set ASPNETCORE_DETAILEDERRORS=true
    • Temporarily wrap AddApplicationAsync to log inner exceptions:
try
    {
        await builder.AddApplicationAsync<YourAuthServerModule>();
    }
    catch (Exception ex)
    {
        Console.WriteLine(ex.ToString()); // inspect the real inner cause (often missing config or incompatible package)
        throw;
    }

Common actual causes found during 7.x → 9.x migrations:

  • Missing or renamed configuration keys (OpenIddict/IdentityServer settings).
  • Inconsistent Microsoft.Extensions.* or EF Core versions pulled by a project reference. Ensure consistent package versions and clear the NuGet cache (dotnet nuget locals all --clear).
  • Old code calling app.UseStaticFiles() removed without adding app.MapAbpStaticAssets() when targeting .NET 9 (only if you already moved SDK).
  1. Sources
  • ABP minimal hosting Program.cs pattern:
    • https://abp.io/docs/latest/get-started/empty-aspnet-core-application
  • ABP 9 migration overview (framework and hosting patterns):
    • https://github.com/abpframework/abp
  • ABP 9 supports both .NET 8 & 9; static assets note when on .NET 9:
    • https://abp.io/community/articles/zpkznc4f

This response was generated by AI. If it didn’t solve your problem, feel free to post a new answer — our support team will jump in to help you soon.

  1. Solution
  • What that settings page is for

    • The “OAuth Login Settings” under Identity > OAuth Management configures how your ABP application signs users in via an external OpenID Connect/OAuth2 identity provider (Authority). It is NOT for SMTP OAuth for sending/receiving emails. Those are two different things.
    • To use Microsoft 365 (Exchange Online) to send mail via SMTP with OAuth2, configure ABP’s emailing system with Microsoft’s OAuth endpoints and scopes for SMTP, not the Identity OAuth login settings.
  • A) Configure Microsoft 365 SMTP (OAuth2) for ABP Emailing

    1. Register an app in Azure AD (Entra ID)
      • Create “App registration”.
      • Authentication:
        • Add a Web redirect URI that your SMTP OAuth UI will use (depends on your SMTP/OAuth component or settings page URL; if you use a built-in UI, set the exact callback URL that UI requires).
      • Certificates & secrets: create a Client secret.
      • API permissions:
        • Add delegated permission: SMTP.Send (from Office 365 Exchange Online).
        • Also add OpenID Connect standard scopes: openid, profile, email, offline_access (for refresh tokens).
      • Grant admin consent.
    2. SMTP server settings in ABP Emailing (e.g., in Settings UI or appsettings)
      • Server address: smtp.office365.com
      • Port: 587
      • Encryption: STARTTLS
    3. OAuth2 parameters (for Microsoft 365)
      • Client Id: the Application (client) ID from Azure app registration.
      • Client Secret: the client secret you created.
      • Authorization URL: https://login.microsoftonline.com/organizations/oauth2/v2.0/authorize
      • Token URL: https://login.microsoftonline.com/organizations/oauth2/v2.0/token
        • If your tenant is single-tenant, replace “organizations” with your Tenant ID or your tenant domain.
      • Scopes (space-separated): openid profile email offline_access https://outlook.office.com/SMTP.Send
      • Username: the mailbox address you will send from (e.g., no-reply@yourdomain.com). The account must be licensed and allowed to send with SMTP AUTH.
    4. Authorize/consent
      • Use the “Authorize” button in your SMTP OAuth config UI to complete the user consent/authorization and store the refresh token. Ensure you sign in with the mailbox account that will send emails, or with an admin performing admin consent for delegated flow.
    5. Test sending email from ABP (e.g., trigger a notification or use a test email feature if available).
  • B) What each field means (SMTP OAuth2 context)

    • Client Id: The Azure AD app’s Application (client) ID.
    • Client Secret: The secret created under Certificates & secrets for that app.
    • Authority/Authorization URL: Microsoft’s authorize endpoint where the user consents and an auth code is issued. Use the v2.0 endpoint shown above.
    • Token URL: Microsoft’s token endpoint that exchanges the auth code or refresh token for an access token for SMTP.
    • Scope: Required permissions the app requests. Include openid profile email offline_access plus the SMTP scope https://outlook.office.com/SMTP.Send for Exchange Online SMTP AUTH.
    • Yes, this is OAuth2: The SMTP authentication flow uses OAuth2 (Authorization Code + refresh tokens) to acquire access tokens that the SMTP client uses to send mail.
  • C) ABP Identity “OAuth Login Settings” (Authority, Client Id, Scope) are for user sign-in to your app, not for SMTP

    • If you also want your users to log into your ABP app with Microsoft Entra ID:
      • Authority: https://login.microsoftonline.com/{TenantId}/v2.0/
      • Client Id: your Azure AD app’s client ID for interactive login to your app
      • Client Secret: the secret of that app (if confidential client)
      • Scope: openid profile email offline_access plus your API’s scopes if you protect APIs
    • This does not configure emailing. Configure emailing separately as in section A.
  • D) ABP code/config pointers

    • Emailing: configure the IEmailSender options or the settings provider your solution uses. For SMTP with OAuth2, use STARTTLS on smtp.office365.com:587 and wire your OAuth token acquisition to the mail sender if your edition provides a UI; otherwise store and refresh tokens securely and set the SMTP auth to use the OAuth access token when sending.
  1. Sources
  • https://abp.io/docs/latest
  • https://abp.io/docs/latest/framework/infrastructure/emailing

This response was generated by AI. If it didn’t solve your problem, feel free to post a new answer — our support team will jump in to help you soon.

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Made with ❤️ on ABP v10.1.0-preview. Updated on December 12, 2025, 10:36
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