To distinguish cache data between your backend and public site, setting a unique KeyPrefix via AbpDistributedCacheOptions is correct. This ensures cache isolation, but it does not provide automatic cache synchronization between applications.
For feature management and other cross-app cache scenarios, ABP’s distributed cache (e.g., Redis) does not natively propagate cache invalidation events across different applications or key prefixes. This means that when a feature value changes (such as via the SaaS feature system), the cache in the public site will not be immediately updated unless the cache entry expires or is manually cleared.
To address this, ABP v9+ introduces HybridCache (AbpHybridCache), which combines local (in-memory) and distributed cache with automatic synchronization. When a cache entry is updated in one instance, HybridCache can notify other instances to invalidate their local cache, ensuring more immediate consistency across your backend and public site.
To use HybridCache in ABP:
AbpHybridCacheOptions in your modules.IHybridCache<T> instead of IDistributedCache<T> for shared cache scenarios.Example configuration:
Configure<AbpHybridCacheOptions>(options =>
{
options.GlobalHybridCacheEntryOptions = new HybridCacheEntryOptions
{
Expiration = TimeSpan.FromMinutes(20),
LocalCacheExpiration = TimeSpan.FromMinutes(10)
};
});
Example usage:
public class FeatureAppService : ApplicationService
{
private readonly IHybridCache<FeatureCacheItem> _hybridCache;
public FeatureAppService(IHybridCache<FeatureCacheItem> hybridCache)
{
_hybridCache = hybridCache;
}
public async Task<FeatureCacheItem> GetFeatureAsync(string key)
{
return await _hybridCache.GetOrCreateAsync(key, async () =>
{
// Load feature from source
});
}
}
For broader cache synchronization (not just features), use HybridCache for any shared data that must be consistent across applications. This approach ensures that cache invalidation and updates are propagated efficiently.
If you remain on distributed cache only, you must implement manual cache clearing or use shorter expiration times, but this is less efficient and can lead to stale data.
Sources:
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The issue is caused by the Angular frontend being hosted at the root (client.StageDomain.com) and the API (HttpApi.Host) being hosted under a sub-path (client.StageDomain.com/api). ABP's ServiceProxyScript and other dynamic endpoints (like /Abp/ServiceProxyScript and /Abp/ApplicationConfigurationScript) are expected at the root of the API application, but when hosted under /api, the Angular app tries to load them from /Abp/ServiceProxyScript instead of /api/Abp/ServiceProxyScript.
This results in 404/500 errors and MIME type issues, as seen in your console logs, because the requests are routed incorrectly or the server returns an HTML error page instead of the expected JavaScript.
ABP's official documentation and templates assume that the API is either on a separate domain/subdomain or at the root of a site, not under a sub-path like /api. Hosting the API under a sub-path is not officially supported and leads to these issues.
To resolve this:
api.StageDomain.com) or at the root of a different site./api, but this is not recommended and not officially supported.For more details, see the official IIS deployment documentation:
In summary: Move your API to a root or subdomain, not a sub-path, for full ABP functionality.
Sources:
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ABP Suite currently allows you to edit and customize code generation templates through the "Edit Templates" feature. These templates are embedded resources managed by the Volo.Abp.Commercial.SuiteTemplates package, and you can switch between UI and database provider templates as needed. However, there is no official community sharing area or "app store" for user-contributed templates at this time. Your suggestion aligns with common requests from the community, and it would be beneficial for collaborative template maintenance and sharing. You can follow updates on this feature in the official documentation and support channels.
Regarding your request for a template that uses a "filter" object (DTO) on the backend instead of multiple function-based filters: The current ABP Suite-generated code typically passes individual filter parameters to backend methods. Your approach—using a single filter DTO and AutoMapper for mapping—would indeed simplify maintenance and is a recognized best practice for complex filtering scenarios. While this is not the default behavior in ABP Suite, you can customize the templates to implement this pattern. If a community sharing platform for templates is introduced, it would make it easier to distribute and maintain such improvements collaboratively.
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To integrate an OpenID Connect identity provider such as Okta or Auth0 for login in an ABP application, you can use the standard OpenIdConnect authentication middleware. ABP supports external authentication providers via OpenIdConnect, and the process is similar for any provider that implements the OpenID Connect protocol.
Here is a step-by-step guide:
Register Your Application with the Identity Provider
https://localhost:44300/signin-oidc).Configure appsettings.json Add a section for your OpenID Connect provider:
"OpenIdConnect": {
"Authority": "https://YOUR_PROVIDER_DOMAIN/",
"ClientId": "YOUR_CLIENT_ID",
"ClientSecret": "YOUR_CLIENT_SECRET",
"CallbackPath": "/signin-oidc"
}
Configure OpenIdConnect in ABP Module
In your HttpApi.Host (or .Web for MVC) project, update the authentication configuration:
public override void ConfigureServices(ServiceConfigurationContext context)
{
var configuration = context.Services.GetConfiguration();
context.Services.AddAuthentication()
.AddOpenIdConnect("Oidc", "OpenID Connect", options =>
{
options.Authority = configuration["OpenIdConnect:Authority"];
options.ClientId = configuration["OpenIdConnect:ClientId"];
options.ClientSecret = configuration["OpenIdConnect:ClientSecret"];
options.ResponseType = OpenIdConnectResponseType.CodeIdToken;
options.CallbackPath = configuration["OpenIdConnect:CallbackPath"];
options.RequireHttpsMetadata = true;
options.SaveTokens = true;
options.GetClaimsFromUserInfoEndpoint = true;
options.Scope.Add("email");
options.ClaimActions.MapJsonKey(System.Security.Claims.ClaimTypes.NameIdentifier, "sub");
});
}
Update Redirect URI in Provider Dashboard
CallbackPath and your application's base URL.Test the Integration
User Registration and Claims
email, sub).This approach works for any OpenID Connect-compliant provider, including Okta and Auth0. You only need to adjust the Authority, ClientId, and ClientSecret according to your provider's settings.
Sources:
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In ABP MVC applications, throwing a UserFriendlyException should display a user-friendly dialog instead of the raw exception page. If you are seeing the raw exception after upgrading to .NET 9 or ABP Commercial Pro, it is likely due to a missing or misconfigured exception filter or middleware.
Ensure you have the AbpExceptionFilter enabled in your MVC pipeline. In your Startup.cs or module configuration, make sure you have:
services.AddAbpMvcExceptionHandling();
Also, check that you are not running in the Development environment, as the Developer Exception Page will override ABP's user-friendly dialog. In production, ABP's exception handling will show the dialog.
If you have custom error handling middleware or filters, ensure they do not interfere with ABP's exception handling.
For more details, see the official documentation:
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To manage user access across multiple tenants without requiring re-login in ABP Framework, you can use the Linked Accounts feature. This allows users to link their accounts from different tenants and switch between them seamlessly without logging in again.
Here's how it works:
This feature is built-in and supported in ABP Framework's account module.
Sources:
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The error message:
System.Exception: This assembly is protected by an unregistered version of Eziriz's ".NET Reactor"! This assembly won't further work.
indicates that one of the assemblies in your solution was built or obfuscated using an unregistered (trial) version of Eziriz's ".NET Reactor" tool. This is not related to ABP Framework or ABP Studio itself, but rather to a third-party or custom assembly in your solution.
How to resolve:
Identify the problematic assembly:
Abc.ProjectionService).Replace or rebuild the assembly:
Clean and restore packages:
dotnet clean
dotnet nuget locals all --clear
dotnet restore
Check your NuGet sources:
Remove any trial/protected DLLs:
This is not an ABP-specific issue, but a general .NET assembly protection/licensing problem.
Sources (validated):
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Based on your description and the error logs, the issue is related to ABP Suite's handling of the solution configuration, specifically a NullReferenceException when accessing the MigrationsMigrationsDbContext property. This is likely caused by a missing or corrupted configuration in the ABP Suite's appsettings.json for your solution, which can happen if the configuration file is out of sync or incomplete on some developer machines.
Your workaround—manually updating the configuration in ABP Suite's appsettings.json with the correct paths and values—directly addresses this. This ensures that ABP Suite can properly locate all required projects and context files, preventing the null reference error.
Recommended Steps:
appsettings.json.appsettings.json and re-add it using the working configuration.For more details on configuring and troubleshooting ABP Suite solution settings, refer to the official documentation:
This approach aligns with ABP Suite's expected configuration management and should resolve the issue for all team members.
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This issue is caused by a false positive from BitDefender, which incorrectly flags the ABP Suite executable as malware. This is a known problem with some antivirus solutions and .NET tools.
As a workaround, you can ask your system administrator to whitelist the ABP Suite installation directory or the specific file in BitDefender. Temporarily disabling BitDefender during installation is another option, but whitelisting is the recommended long-term solution.
ABP Suite is safe to use if downloaded from the official source. You can always reinstall it using the following command:
abp suite install
For detailed installation steps, refer to the official documentation.
Sources:
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To resolve the CrashLoopBackOff issue with the abp-wg-easy container when integrating ABP Studio with a remote Kubernetes cluster, follow these steps:
Check PersistentVolumeClaim (PVC) Status:
pod has unbound immediate PersistentVolumeClaims. This means the required PVC (abp-wg-easy-config) is not bound to a PersistentVolume.kubectl get pvc -n waqar
Bound state. If not, you need to create a suitable PersistentVolume or check your storage class configuration.Review StorageClass and Volume Provisioning:
Check Container Logs for More Details:
kubectl logs abp-wg-easy-7d44c4b5fc-852bj -n waqar
Verify Resource Limits:
Network and Service Type:
WireGuard Password Consistency:
Clean Up and Retry:
Cluster Compatibility:
By addressing the PVC binding issue and ensuring your cluster supports the required service types and storage, the CrashLoopBackOff should be resolved.
Sources:
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