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To address the garbled character issue and unify the error response format for invalid tenants in your ABP commercial application, you should adjust the way tenant-not-found errors are handled and returned by your backend.

Problem Analysis

• The commercial version returns an HTML error page with encoded characters for non-English languages (e.g., zh-Hans), while the community version returns a JSON error object.
• This difference is due to the built-in error handling pipeline in the commercial edition, which by default returns an HTML error page for certain errors, especially when localization is involved.

Solution Steps

1. Force JSON Error Responses for API Endpoints

You can globally configure your API to always return JSON error responses (like the community version) by customizing the exception handling middleware. In your Startup or module configuration, add the following:

public override void ConfigureServices(ServiceConfigurationContext context)
{
    Configure<AbpExceptionHandlingOptions>(options =>
    {
        options.SendExceptionsDetailsToClients = true;
        options.ExceptionHandlingPath = "/api/error"; // Ensure this path returns JSON
    });
}

2. Add a Custom Exception Filter (Optional)

If you want to ensure all errors (including tenant not found) are returned as JSON, you can add a global exception filter:

public class JsonExceptionFilter : IExceptionFilter
{
    public void OnException(ExceptionContext context)
    {
        context.Result = new JsonResult(new
        {
            error = new
            {
                code = "Volo.AbpIo.MultiTenancy:010001",
                message = context.Exception.Message
            }
        })
        {
            StatusCode = StatusCodes.Status400BadRequest
        };
        context.ExceptionHandled = true;
    }
}

// Register in ConfigureServices
context.Services.Configure<MvcOptions>(options =>
{
    options.Filters.Add<JsonExceptionFilter>();
});

3. Ensure API Controllers Use [ApiController]

Make sure your API controllers are decorated with [ApiController] to enforce content negotiation and JSON responses.

4. Check Localization Files

If you want to customize the error message, update your localization files for the relevant language (e.g., zh-Hans) to ensure proper translation and encoding.

5. Temporary Workaround

If you need a quick fix, you can set the Accept header to application/json in your client requests to force the backend to return JSON:

--header 'Accept: application/json'

Summary

• Configure exception handling to always return JSON for API endpoints.
• Optionally, add a global exception filter for consistent error formatting.
• Use the Accept: application/json header as a temporary workaround.

This will make your commercial edition's error responses consistent with the community edition and resolve the character encoding issue.

Sources:

• ABP Angular Multi-Tenancy

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• The error TS2307: Cannot find module '@abp/ng.components/extensible/lib/models/internal/object-extensions' typically occurs when there is a version mismatch between ABP Angular packages or a missing/incorrect dependency.

• In your package.json, all ABP Angular packages are at version ^9.2.3, which is correct. However, this error can still occur if:

  • The node_modules folder is not fully refreshed.
  • There is a lock file conflict.
  • There is a missing or incompatible peer dependency.

Solution Steps:

1. Delete node_modules, package-lock.json, and yarn.lock (if present):

rm -rf node_modules package-lock.json yarn.lock

2. Reinstall dependencies:

npm install

3. If you are using Yarn, use:

yarn install

4. Ensure that all ABP Angular packages (@abp/ng.components, @abp/ng.core, etc.) and all @volo/abp.* packages are on the exact same version (9.2.3). Do not mix ^ and ~ for these packages; use the same prefix for all.

5. If the error persists, check for any direct imports in your code or in custom modules that reference internal ABP paths (like @abp/ng.components/extensible/lib/models/internal/object-extensions). These internal paths are not part of the public API and should not be imported directly. Only use public APIs as documented.

6. If you are using a custom or third-party ABP Angular module, ensure it is also built against the same ABP version.

7. If you have recently upgraded ABP, regenerate static proxies and rebuild your project:

abp generate-proxy -t ng
   npm run build

8. If you still encounter the error, try upgrading all ABP Angular packages to the latest compatible version and repeat the above steps.

Related Support References:

• Similar issues and solutions are discussed in the following validated support threads:
  • https://abp.io/support/questions/8935
  • https://abp.io/support/questions/410

These steps should resolve the module not found error for ABP Angular packages.

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• The error you are encountering indicates that the query to the "AbpFeatureValues" table is timing out, which usually means the query is taking too long to execute. This is not typically caused by ABP itself, but rather by database performance issues or missing indexes.

To resolve this issue without increasing the command timeout, follow these steps:

1. Check for Missing Indexes
   • Ensure that the "AbpFeatureValues" table has indexes on the columns used in the WHERE clause, specifically "ProviderName" and "ProviderKey". For PostgreSQL, you can add a composite index as follows:

CREATE INDEX IF NOT EXISTS idx_abpfeaturevalues_providername_providerkey
     ON "AbpFeatureValues" ("ProviderName", "ProviderKey");

• This index will significantly speed up queries filtering by these columns.

2. Analyze Table Size

   • If the table contains a large number of rows, consider archiving or cleaning up old/unnecessary feature values.

3. Database Maintenance

   • Run VACUUM and ANALYZE on the table to optimize query planning and reclaim storage in PostgreSQL:

VACUUM ANALYZE "AbpFeatureValues";

4. Check for Long-Running Transactions

   • Ensure there are no open transactions locking the table, which can cause queries to wait and eventually timeout.

5. Review Application Usage

   • If your application is making excessive or redundant feature value queries, consider caching feature values at the application level to reduce database load.

By ensuring proper indexing and maintaining your database, you can resolve the timeout issue without increasing the command timeout.

Sources:

• ABP Module Database Tables

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To customize the claims sent during integration service calls in an ABP microservice solution, you can override the claims generation logic by implementing a custom IAbpClaimsPrincipalContributor. This allows you to add custom claims (such as 'RLS_OrganizationId') to the ClaimsPrincipal, which can then be accessed by downstream services.

Here’s how you can achieve this:

1. Implement a custom IAbpClaimsPrincipalContributor:

public class RlsOrganizationClaimsPrincipalContributor : IAbpClaimsPrincipalContributor, ITransientDependency
   {
       public async Task ContributeAsync(AbpClaimsPrincipalContributorContext context)
       {
           var identity = context.ClaimsPrincipal.Identities.FirstOrDefault();
           var userId = identity?.FindUserId();
           if (userId.HasValue)
           {
               // Retrieve your custom value (e.g., from a service or database)
               var organizationId = await GetOrganizationIdAsync(userId.Value);
               if (organizationId != null)
               {
                   identity.AddClaim(new Claim("RLS_OrganizationId", organizationId));
               }
           }
       }

       private Task<string> GetOrganizationIdAsync(Guid userId)
       {
           // Implement your logic to get the organization ID
           return Task.FromResult("your-organization-id");
       }
   }

2. Register your contributor in the module:

[DependsOn(typeof(AbpAuthorizationModule))]
   public class YourModule : AbpModule
   {
       public override void ConfigureServices(ServiceConfigurationContext context)
       {
           Configure<AbpClaimsPrincipalFactoryOptions>(options =>
           {
               options.Contributors.Add<RlsOrganizationClaimsPrincipalContributor>();
           });
       }
   }

3. If you are using OpenIddict or IdentityServer, ensure your custom claim is included in the requested claims:

Configure<AbpClaimsServiceOptions>(options =>
   {
       options.RequestedClaims.Add("RLS_OrganizationId");
   });

4. For integration services, ensure that your custom claims are included in the ClaimsPrincipal when making remote calls. The integration service infrastructure will use the current ClaimsPrincipal, so your custom claims will be forwarded if they are present.

5. On the receiving microservice, you can access the custom claim via ICurrentUser or directly from the ClaimsPrincipal.

This approach ensures your custom claims are available in both local and remote service calls, supporting your row-level security requirements.

Sources:

• https://abp.io/docs/latest/framework/fundamentals/authorization
• https://abp.io/docs/latest/framework/api-development/integration-services
• https://abp.io/docs/latest/Modules/OpenIddict#updating-claims-in-access_token-and-id_token
• https://abp.io/support/questions/6765/CurrentTenant-across-MicroService

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To use an encrypted connection string in ABP Framework, you must ensure that the connection string is decrypted before it is passed to Entity Framework Core or any database provider. The connection string in appsettings.json can be stored encrypted, but the framework and EF Core expect a plain (decrypted) connection string at runtime.

Here's how you can achieve this:

1. Store the Encrypted Connection String:
   • In your appsettings.json, store the encrypted value as you have done:

"ConnectionStrings": {
       "Default": "ENC_5W8PezYlu1g+VaIc/XzdKRGabzhpT8aAbk7R2Irkt8AhOpODisXIK4SMQEmd4EuT91Y....."
     }

2. Decrypt the Connection String at Runtime:

   • You need to decrypt the connection string before it is used by EF Core. The recommended way is to use ABP's IStringEncryptionService in your application's startup or DbContext factory.

   • Example for a design-time DbContext factory:

public class AbpTemplateDbContextFactory : IDesignTimeDbContextFactory<AbpTemplateDbContext>
     {
         public AbpTemplateDbContext CreateDbContext(string[] args)
         {
             var configuration = BuildConfiguration();

             AbpTemplateEfCoreEntityExtensionMappings.Configure();

             // Get the encrypted connection string
             var encryptedConnectionString = configuration.GetConnectionString("Default");

             // Decrypt using the same passphrase as in production
             var stringEncryptionService = new StringEncryptionService(
                 new AbpStringEncryptionOptions
                 {
                     DefaultPassPhrase = "YourPassPhrase" // Must match the one used for encryption
                 }
             );
             var connectionString = stringEncryptionService.Decrypt(encryptedConnectionString);

             var builder = new DbContextOptionsBuilder<AbpTemplateDbContext>()
                 .UseSqlServer(connectionString);

             return new AbpTemplateDbContext(builder.Options);
         }

         private static IConfigurationRoot BuildConfiguration()
         {
             var builder = new ConfigurationBuilder()
                 .SetBasePath(Path.Combine(Directory.GetCurrentDirectory(), "../AbpTemplate.DbMigrator/"))
                 .AddJsonFile("appsettings.json", optional: false);

             return builder.Build();
         }
     }

• If you are using dependency injection (in runtime, not design-time), you can inject IStringEncryptionService and decrypt the connection string before passing it to EF Core.

3. Important Notes:

   • The connection string must be decrypted before it is used by EF Core. If you pass the encrypted value directly, you will get the "Format of the initialization string does not conform to specification" error.
   • Make sure the passphrase and encryption options used for decryption match those used for encryption.
   • For production, do not store the passphrase in source control. Use environment variables or user secrets.

4. Configuring String Encryption Options:

   • In your module or startup, configure the encryption options:

Configure<AbpStringEncryptionOptions>(options =>
     {
         options.DefaultPassPhrase = "YourPassPhrase";
     });

References:

• ABP String Encryption
• Configuring for Production (String Encryption)
• ABP Support: Setting Connection String from External Source

This approach ensures that your connection string is always decrypted before being used by the database provider, resolving the error you encountered.

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There is no official or documented way to skip specific enums during Angular proxy generation with the ABP Framework. The generate-proxy command generates proxies for all enums used in your application services' DTOs and contracts. Selective exclusion of enums is not supported as a configuration or CLI option.

Sources:

• https://docs.abp.io/en/abp/latest/UI/Angular/Service-Proxies
• https://abp.io/docs/latest/framework/ui/angular/service-proxies

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• In ABP Framework, input parameters for application service methods and controllers are automatically validated using data annotation attributes and custom validation logic. By default, nullable types like DateOnly? or DateTime? should not trigger a validation error when their value is null, unless you have applied a [Required] attribute or custom validation that enforces a value.

• If you are seeing a validation error such as "inspectionDate is null!" when passing null for a DateOnly? or DateTime? parameter, it is likely that:

  1. The parameter or its DTO property is decorated with the [Required] attribute, or
  2. There is a custom validation rule (e.g., IValidatableObject, custom validator, or manual check) that throws an error when the value is null.

• To resolve this:

  • Remove the [Required] attribute from the parameter/property if you want to allow null values.
  • Check for any custom validation logic in your DTOs, controllers, or services that may be enforcing non-null values.
  • If you want to allow nulls, ensure your method signature uses DateOnly? or DateTime? (nullable) and that no validation rule requires a value.

Example:

public async Task<IActionResult> GetAsync(string plateId, DateOnly? inspectionDate, string vin, string chassisNumber)
{
    // inspectionDate can be null here
}

If you have a DTO:

public class MyDto
{
    // Do NOT add [Required] if you want to allow nulls
    public DateOnly? InspectionDate { get; set; }
}

• If you are not using [Required] and still see this error, check for custom validation logic in your codebase that may be enforcing this rule.

Sources:

• ABP Application Service Validation
• ABP Validation Fundamentals

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1. Official Configuration for CMS Kit with Blazor

• CMS Kit (open source and Pro) is officially supported for MVC/Razor Pages and Blazor Server UIs.
• For Blazor Server, you must add the CMS Kit module to your Blazor project (typically the admin app). The public website (if present) is usually MVC, but you can use Blazor for both admin and public if desired.
• In a DDD monolith with both Blazor and MVC, ensure the CMS Kit module is referenced in both the Blazor and MVC projects if you want features available in both.
• After adding the module, enable the required features in your GlobalFeatureConfigurator (in the Domain.Shared project):

GlobalFeatureManager.Instance.Modules.CmsKit(cmsKit =>
  {
      cmsKit.EnableAll();
  });

For CMS Kit Pro features:

GlobalFeatureManager.Instance.Modules.CmsKitPro(cmsKitPro =>
  {
      cmsKitPro.EnableAll();
  });

After enabling features, run database migrations.

2. Widget Support and Configuration in Blazor

• Widget support (Dynamic Widgets) is available in both MVC and Blazor UIs, but the UI experience and integration points may differ.
• For Blazor, ensure you have the correct CMS Kit Pro packages installed and referenced in your Blazor project.
• Widget configuration is done via the admin UI (CMS > Widgets). If the widget dropdown is empty except for "poll", it usually means no widgets are registered or enabled.
• To register widgets, you must implement and register your widget providers in the application layer. Example:

public class MyWidgetProvider : DynamicWidgetProvider
  {
      public override void SetWidgets(IDynamicWidgetDefinitionContext context)
      {
          context.Add(new DynamicWidgetDefinition(
              name: "MyWidget",
              displayName: "My Custom Widget",
              viewComponentType: typeof(MyWidgetViewComponent)
          ));
      }
  }

Register your provider in the module:

Configure<DynamicWidgetOptions>(options =>
  {
      options.Providers.Add<MyWidgetProvider>();
  });

For Blazor, the widget's UI must be implemented as a Blazor component.

• Place your widget provider and component in the Blazor project (or a shared project referenced by Blazor).

3. Widget Support in Blazor Public/MVC Scenarios

• Widgets are supported in Blazor Server UI, but the admin UI for widget management is more mature in MVC. If you use Blazor for public UI, ensure all widget components and providers are available in the Blazor project.
• If you use MVC for public and Blazor for admin, widgets configured in admin should be available for rendering in public, provided both reference the same CMS Kit module and share the same database.
• If you experience issues with widgets not appearing, double-check:
  • Widget providers are registered in the correct project.
  • The database is migrated after enabling features.
  • The correct CMS Kit Pro packages are installed in the Blazor project.

If you require full parity and stability for widgets in public UI, the MVC public site is currently the most stable and feature-complete. Blazor support is available but may require additional integration work, especially for custom widgets.

Sources:

• CMS Kit Module documentation
• CMS Kit Pro Module documentation
• Dynamic Widget documentation (open source)
• Dynamic Widget documentation (Pro)

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• The exception you are encountering (System.MissingMethodException: Method not found: 'System.DateTime Stripe.Subscription.get_CurrentPeriodEnd()') is caused by a version mismatch between the Stripe.Net library used by the ABP Payment module and the version you have manually updated to. The ABP Payment module is tightly coupled to a specific Stripe.Net version, and updating Stripe.Net independently can break internal method calls, as you have experienced.

• The ABP Payment module's webhook handler (_paymentRequestAppService.HandleWebhookAsync) is designed to process Stripe webhook events and update payment/subscription state accordingly. It expects the Stripe.Net types and methods it was built against. If you update Stripe.Net, ABP's code may call methods that no longer exist or have changed signatures.

• You should only call HandleWebhookAsync for Stripe events that are relevant to payment and subscription state changes, such as:

  • checkout.session.completed
  • customer.subscription.created
  • customer.subscription.updated
  • invoice.paid
  • invoice.payment_failed
  • (and other payment-related events)

  However, the ABP Payment module is designed to internally route and process these events as needed. You do not need to filter events yourself; you should forward all Stripe webhook events to the ABP endpoint, and the module will handle the ones it supports.

• If you must upgrade Stripe.Net due to deprecated API versions, you will need to ensure that all ABP Payment module code and dependencies are compatible with the new Stripe.Net version. Otherwise, you will encounter runtime errors like the one above.

• For Stripe webhook endpoint configuration, ensure you are using the correct URL as per the latest ABP documentation:

yourdomain.com/api/payment/stripe/webhook

(See migration guide for details.)

• If you encounter unsupported events or missing method exceptions, you should revert to the Stripe.Net version that matches your ABP Payment module, or contact ABP support for an updated module compatible with the latest Stripe.Net.

• For more information on Stripe integration and webhook configuration in ABP, see the official documentation:

  • StripeOptions in ABP Payment Module
  • ABP 5.2 Payment Module Migration Guide

Sources:

• https://docs.abp.io/en/commercial/latest/modules/payment#stripeoptions
• https://abp.io/docs/latest/release-info/migration-guides/abp-5-2

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To reduce or turn off the frequency of health check log messages in your ABP microservice solution, you need to adjust the polling interval of the HealthChecks UI, which is responsible for querying the health endpoints and generating these logs.

By default, the polling interval is set to 10 seconds. You can increase this interval or disable the HealthChecks UI polling if you do not need it.

How to Change the Polling Interval

1. Locate the HealthChecks UI configuration in your service (typically in HealthChecksBuilderExtensions.cs or Startup.cs):

services.AddHealthChecksUI(settings =>
   {
       settings.AddHealthCheckEndpoint("My Health Status", "/health-status");
       settings.SetEvaluationTimeInSeconds(60); // Set to 60 seconds (default is 10)
   });

• SetEvaluationTimeInSeconds(60) changes the polling interval to 60 seconds. Adjust this value as needed.

2. Alternatively, configure via appsettings.json:

"HealthChecksUI": {
     "EvaluationTimeOnSeconds": 60
   }

This will apply the interval globally for HealthChecks UI.

3. If you want to completely turn off HealthChecks UI polling, you can remove or comment out the AddHealthChecksUI registration in your service configuration.

Additional Notes

• These log messages are generated by the HealthChecks UI querying your health endpoint. Increasing the interval or disabling the UI will reduce or eliminate these logs.
• If you are running in Kubernetes or a containerized environment, ensure that liveness/readiness probes are not set to a very low interval, as they can also generate frequent logs.

Sources:

• HealthChecks UI Polling Interval (Official)
• ABP Microservice Health Check Configuration

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