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• ABP Suite/Studio does not support UI code generation for the microservice template (Angular UI). In microservice solutions, Suite can generate code on the services, but UI code generation is not supported. If you are trying to generate the Angular UI together with the entity, the generation can fail during the process (often surfacing around migration/object-mapping steps).

  • Workaround: generate only the backend (service side) and handle UI manually (or generate UI in a different supported template).

• If the failure is happening at the migration step, apply migrations manually instead of relying on Suite’s “add migration / update database” step:

  1. Create the entity code (backend) without auto-migration (disable “Add Migration/Update Database” if that option is shown).
  2. In the relevant *.EntityFrameworkCore project for the service, run EF Core migrations manually:

dotnet ef migrations add Added_MyEntity --context <YourDbContextName>
     dotnet ef database update --context <YourDbContextName>

3. For ABP 10.1, note that there are framework/module changes that explicitly require creating new EF Core migrations after upgrading (Identity PRO password history/passkey entities, etc.). So if your solution has been upgraded/created around 10.1 and migrations are out of sync, generation/migration steps can also fail until you add/apply the required migrations.

• Ensure you’ve applied the ABP 10.1 migration requirements (especially if you upgraded the solution/packages):
  • Add & apply the required EF Core migrations after moving to ABP 10.x/10.1 as described in the migration guides below.

Links (verified):

• https://abp.io/docs/10.1/studio/working-with-suite
• https://abp.io/docs/10.1/release-info/migration-guides/abp-10-1
• https://abp.io/docs/10.1/release-info/migration-guides/abp-10-0

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• The Identity Management → Users page ultimately calls the Identity module’s application service that implements user CRUD (i.e., the server-side Delete endpoint). To run your own logic safely when a user is deleted from that UI, ABP’s recommended approach is to replace/override the Identity module’s user AppService and add your logic around the base DeleteAsync call (before/after the soft-delete happens).
• An alternative (more decoupled) approach is to react to the delete via domain/entity events (when the IdentityUser is updated/soft-deleted) and then null out your foreign keys in an event handler.

Option A (most direct): Replace the Identity User AppService and override Delete

1. Create a class in your application layer that derives from the Identity module’s user app service (the one used by the UI).
2. Mark it with ABP’s DI replacement attributes so your implementation is used instead of the module’s default.
3. Override DeleteAsync(Guid id) and:
   • Set Employee.ManagerId = null for all employees referencing that user (before or after calling base.DeleteAsync(id); usually before is safest if your domain logic expects the manager to exist while you update employees).
   • Then call base.DeleteAsync(id) to keep the standard ABP behavior (permissions, checks, etc.).

Skeleton (structure to follow; the key is ReplaceServices + ExposeServices):

using System;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using Volo.Abp.DependencyInjection;
using Volo.Abp.Identity;

[Dependency(ReplaceServices = true)]
[ExposeServices(typeof(IIdentityUserAppService))]
public class MyIdentityUserAppService : IdentityUserAppService
{
    private readonly IEmployeeRepository _employeeRepository;

    public MyIdentityUserAppService(
        IIdentityUserRepository userRepository,
        IdentityUserManager userManager,
        IEmployeeRepository employeeRepository
        /* plus the other deps required by base ctor in your version */
        )
        : base(userRepository, userManager /* ... */)
    {
        _employeeRepository = employeeRepository;
    }

    public override async Task DeleteAsync(Guid id)
    {
        // 1) Null out references
        await _employeeRepository.SetManagerToNullAsync(id);

        // 2) Proceed with the default ABP deletion (soft delete)
        await base.DeleteAsync(id);
    }
}

Implement the repo method efficiently (example idea):

• SetManagerToNullAsync(Guid userId) does a bulk update (preferred) or loads + updates employees.

This ensures every delete from the ABP UI (since it calls IIdentityUserAppService.DeleteAsync) goes through your custom logic.

Option B (more decoupled): Handle soft-delete as an event and update dependents

Instead of overriding the app service, you can subscribe to a user deletion/soft-delete event and update Employee.ManagerId there. This keeps your customization independent from the UI and from which app service triggers the delete.

If you go this route, the key is: soft delete is an update on IdentityUser, so you need an event that runs when the user is soft-deleted and then execute your nulling logic.

(No verified, version-specific official sample for “IdentityUser soft-deleted → null FKs” was found in the available context/code search, but this aligns with ABP’s general event-driven extension approach.)

https://abp.io/docs/latest/framework/fundamentals/dependency-injection
https://abp.io/docs/latest/framework/infrastructure/event-bus
https://abp.io/docs/latest/modules/identity
https://abp.io/docs/latest/framework/architecture/modularity/basics

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• OnDelete(DeleteBehavior.SetNull) is an EF Core / database-level delete behavior. It is applied when the principal row is physically deleted (hard delete) and the database (or EF Core cascade pipeline) executes the configured referential action.
• In ABP, soft delete does not physically delete the IdentityUser row; it only sets IsDeleted = true (and audit fields). Therefore, no database delete happens, so DeleteBehavior.SetNull is never triggered.
• So: ABP does not (and cannot automatically) honor DeleteBehavior.SetNull for soft-deletes, because the FK nulling is tied to actual DELETE operations, not to an UPDATE that marks IsDeleted.

What to do instead (pick one):

1. Keep the FK as-is and treat “soft-deleted user” as logically missing

   • When you load Employee.Manager (your IdentityUser navigation), ABP’s ISoftDelete filter will hide soft-deleted users by default, so the navigation will typically come back as null in queries that apply filters (even though ManagerId still has a value).
   • This avoids broken UI behavior but still keeps a “dangling” FK value in the table.

2. Manually set ManagerId = null when the manager user is soft-deleted (recommended if you truly need FK-null semantics)

   • Implement this as an application/domain rule. Typical approaches in ABP:
     • Handle an event when a user is deleted (soft-deleted) and then update dependent entities (e.g., Employee.ManagerId = null).
     • Or override/customize the user deletion flow in your app service/domain service and explicitly update employees before/after deleting the user.

3. If you really want SetNull to happen automatically, you must hard-delete the user

   • Only a hard delete can trigger ON DELETE SET NULL in the database.
   • In ABP repositories, this is typically done via HardDeleteAsync (where applicable). Be careful: hard-deleting identity users may have broader implications.

Notes about your mapping

• Your mapping is fine for hard delete scenarios:

builder.HasOne(p => p.IdentityUser)
         .WithMany()
         .HasForeignKey(x => x.ManagerId)
         .OnDelete(DeleteBehavior.SetNull);

It just won’t run on soft delete, because soft delete is an UPDATE, not a DELETE.

Links (verified)

• Soft/Hard delete behavior in repositories: https://abp.io/docs/latest/framework/architecture/domain-driven-design/repositories
• ABP data filtering (soft delete filter): https://abp.io/docs/latest/framework/infrastructure/data-filtering
• Related ABP support discussion showing that soft-deleted relations don’t cascade automatically: https://abp.io/support/questions/1136

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Please contact us at https://abp.io/contact.

The https://nuget.abp.io/<your-feed> endpoints are customer/license-specific feeds. A 404 / Not Found typically indicates one of these is true:

• the feed URL (or feed name) is incorrect (e.g., wrong path/tenant segment),
• the feed is not enabled/assigned for your license,
• you’re not authenticated (if you’re using a browser without credentials / wrong API key),
• your license/subscription does not include access to that private feed.

Provide your feed URL (mask the secret parts), and we can verify the correct endpoint and authentication method on your account via the contact channel above.

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.

Please contact us at https://abp.io/contact and include:

• Your ABP version: 9.3.7
• A short description of each finding (risk + impact)
• Steps to reproduce (request/response samples if applicable)
• Affected module/package (e.g., Identity, OpenIddict/Auth Server, Angular UI, etc.)
• Any suggested fix or references from the security scan report

If the report contains sensitive details, mention that in the message so the team can follow up with a secure channel for sharing attachments/logs.

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.

• This is not something you can reliably “work around in code” on the ABP side, because the invalid redirect_uri is enforced by Microsoft (Azure AD): the redirect_uri sent in the OIDC request must exactly match one of the redirect URIs registered for the Azure AD app.
• Since each tenant uses a different subdomain (tenant1.app.mydomain.com), Azure AD will see a different redirect_uri than app.mydomain.com and reject it unless it is registered.

What you can do (ABP-supported approach): use wildcard subdomain support on the ABP/OpenIddict side (for ABP’s own AuthServer/OpenIddict validations), but note it does NOT remove Azure AD’s redirect URI requirement.

Option A (Recommended): Use a single, central redirect URI domain for the Microsoft login callback

1. Register one redirect URI in Azure AD, e.g.
   • https://app.mydomain.com/signin-oidc (or whatever your callback path is)
2. Always perform the external login callback on that host (the “root” / central host).
3. After the callback completes, redirect the user back to the tenant domain, carrying tenant info (e.g., in a returnUrl or parameter) so ABP can resolve the tenant again.

This keeps Azure AD redirect URIs fixed and avoids registering per-tenant subdomains.

Option B: If you are using ABP AuthServer/OpenIddict and get invalid redirect_uri there (not Azure)

If the invalid redirect_uri is coming from ABP’s OpenIddict/AuthServer (common in multi-tenant domain setups), enable ABP’s wildcard-domain support so ABP accepts tenant subdomains without seeding each one:

In your AuthServer module PreConfigureServices:

using Volo.Abp.OpenIddict.WildcardDomains;

public override void PreConfigureServices(ServiceConfigurationContext context)
{
    var configuration = context.Services.GetConfiguration();

    PreConfigure<AbpOpenIddictWildcardDomainOptions>(options =>
    {
        options.EnableWildcardDomainSupport = true;
        options.WildcardDomainsFormat.Add("https://{0}.app.mydomain.com");
        // add other app formats if needed
    });
}

And configure tenant domain resolving:

using Volo.Abp.MultiTenancy;

Configure<AbpTenantResolveOptions>(options =>
{
    options.AddDomainTenantResolver("{0}.app.mydomain.com");
});

This prevents having to seed redirect URIs per-tenant for ABP/OpenIddict.
However, again: Azure AD still requires exact redirect URIs (so Option B alone won’t solve the Azure AD registration limitation).

Links (verified):

• https://abp.io/docs/latest/guides/ms-multi-tenant-domain-resolving
• https://abp.io/community/articles/v9y8da7v

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• What you’re seeing is expected when you enable Azure Service Bus as ABP’s distributed event bus: ABP’s built-in modules (Identity/TenantManagement/SaaS, etc.) also publish integration events (e.g., user/tenant created). After you add Volo.Abp.EventBus.Azure / AbpEventBusAzureModule, those events are no longer “in-memory”; they are sent to Azure Service Bus.
• If your seeding / tenant provisioning flow (or any custom logic) assumes “publish + handle immediately in the same process”, it will break because distributed events are asynchronous and handled by subscribers via the broker.

Solution

1. Enable Outbox/Inbox for transactional reliability (recommended)

   • Configure Outbox/Inbox so events are persisted in the DB within the same Unit Of Work and published safely after commit (and consumers are idempotent).
   • This prevents “seed happened but handler didn’t see it” / timing issues and is the official pattern for transactional distributed events.

2. Do not rely on distributed event handlers for “must-run-now” seeding logic

   • Anything required to complete tenant creation (like creating admin user, initial roles, settings, etc.) should run directly in the tenant creation workflow (application service / domain service), not via IDistributedEventHandler<>.
   • Use distributed events only for eventual side effects (notifications, integrations, async processes).

3. If only one app should use Azure Service Bus, disable it in the others

   • In tiered solutions (HttpApi.Host, Web, etc.) you can end up with multiple apps trying to publish/consume. If your scenario is like “only my Notification module should use ASB”, but you enabled it globally, it impacts Identity/Tenant flows too.
   • Apply the approach used in ABP support: disable service bus in the module/app where you don’t want it active (so those apps keep behaving as before).

Verified references

• ABP docs: Outbox/Inbox for transactional distributed events (reliability + consistency): https://abp.io/docs/latest/framework/infrastructure/event-bus/distributed#outbox-inbox-for-transactional-events
• ABP docs: Azure Service Bus distributed event bus: https://abp.io/docs/latest/framework/infrastructure/event-bus/distributed/azure
• ABP support case mentioning disabling Azure Service Bus in a host app (IsServiceBusDisabled = true): https://abp.io/support/questions/6222

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• ABP’s Entity Cache caches one entity instance by its key, and it is automatically invalidated only when that same entity is updated or deleted (so it can be reloaded from the database on the next request).
• Therefore, if you cache Product and later an Order is added/updated/removed, the cached Product entry is not automatically refreshed just because a related entity changed. You should assume the cached Product may have a stale navigation collection (e.g., Product.Orders) until the Product cache entry is explicitly invalidated or the Product itself is updated/deleted.
• Practical guidance:
  • Prefer caching entities that are used mostly as read-only reference data (or that don’t depend on frequently-changing navigation graphs).
  • If you need “Product with latest Orders” semantics, don’t rely on Product entity cache for the navigation list; instead query Orders separately (or implement your own invalidation strategy when Order changes, e.g., publish an event and remove the related Product cache entry).

(verified) https://abp.io/docs/latest/framework/infrastructure/entity-cache

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• In ABP Angular (SPA), seeing 302 right after login (and an empty page) almost always means your first API calls (commonly /api/abp/application-configuration) are being redirected to the login page (302) because the Angular app state/config is still the “anonymous” one at that moment. A hard refresh fixes it because the app boots from scratch and fetches configuration again with a valid session/token, so you then get 200 and data.

Solution

1. After login success, refresh ABP Angular application configuration/state (this is the SPA equivalent of the “hard refresh” you’re doing manually):

import { ConfigStateService } from '@abp/ng.core';
   import { firstValueFrom } from 'rxjs';

   // call this after login succeeds (after redirect callback is processed)
   await firstValueFrom(this.configStateService.refreshAppState());

2. If your menu/routes depend on permissions, refresh them too:

this.routesService.refresh();

3. If you have a custom login callback/redirect handler and you can’t easily plug the refresh in the right spot, the pragmatic fallback is:

window.location.reload();

(This works because it forces ABP Angular to re-bootstrap and re-fetch /api/abp/application-configuration with an authenticated context.)

What to check (to confirm you’re fixing the right thing)

• In DevTools Network, find which request returns 302 right after login (very often /api/abp/application-configuration).
• That 302 indicates the backend is treating that request as unauthenticated at that moment; refreshing app state (or reloading) ensures ABP Angular re-reads the authenticated state and proceeds.

References

• https://abp.io/support/questions/10297
• https://abp.io/docs/latest/framework/ui/angular/overview

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• A 302 after login in ABP UI typically means the browser is being redirected to the login page again for the first API calls (most commonly /api/abp/application-configuration). The UI then boots in an “anonymous/no data” state. After a hard refresh, the authentication state is established and the same requests return 200, so data appears.

• In a single-layer (monolith) Web + API setup, the most common reason is that the UI makes API calls before the authenticated application state is refreshed (or the token/cookie is not considered valid for that first round-trip), so the first config/data call gets redirected (302), resulting in an empty page.

Fix (Angular UI / SPA scenario)

1. After login completes, force ABP Angular to refresh the application configuration/state (this is what a full page reload achieves):

import { ConfigStateService } from '@abp/ng.core';
   import { firstValueFrom } from 'rxjs';

   // after login success
   await firstValueFrom(this.configStateService.refreshAppState());

2. If you have custom login flow (non-standard redirect flow), also refresh routes/menus if needed (depending on your UI code):

this.routesService.refresh();

3. As a last resort (but effective), do a full reload after login success:

window.location.reload();

Fix (MVC/Razor Pages UI scenario)

• If your UI is MVC and the “empty page” is actually caused by a redirect loop on AJAX calls, ensure your page is not rendering based on unauthenticated app configuration. In practice, the same diagnosis applies: the initial /api/abp/application-configuration (or your page’s first API call) is getting a 302 to /Account/Login. The fix is to ensure authentication is fully established before making those AJAX calls (or avoid rendering the page until configuration is loaded). If you’ve customized login behavior, revert to the standard ABP login flow or ensure the returnUrl/redirect completes normally.

Sources

• https://abp.io/support/questions/10297
• https://abp.io/community/articles/9a40f3cd

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