Locale file not found after migrate abp #9620

3 Answer(s)

• 

  0

  AI-Bot created 25 days ago

  Support Team ABP Agent

  To resolve the "Cannot find the en/es locale file" errors after migrating your ABP Angular application, you need to ensure that the Angular localization system is properly configured for the new ABP version (9.2.1). The error and the console message point to a missing locale file registration, which is required in ABP Angular v9+.

  Here’s how to fix it:

  1. Register Locales in CoreModule
     In ABP Angular 4.x and above, you must explicitly register supported locales using the registerLocale function in your app.module.ts:

  import { registerLocale } from '@abp/ng.core/locale'; // or for commercial: import { registerLocale } from '@volo/abp.ng.language-management/locale';

  @NgModule({ imports: [ // ... CoreModule.forRoot({ // ...other options, registerLocaleFn: registerLocale() }), // ... ], // ... }) export class AppModule {}

  
  2. **Do Not Manually Register Angular Locales for ABP**  
     The manual `registerLocaleData(localeEs, 'es')` is only needed for Angular’s built-in pipes (like DatePipe), not for ABP’s localization system. For ABP, use the `registerLocale` function as shown above.
  
  3. **Ensure Locale Files Exist**  
     Make sure you have the locale files (e.g., `en.json`, `es.json`) in the correct location (`src/assets/abp/locales/` by default). If you are missing these files, you can copy them from a fresh ABP template or generate them as described in the documentation.
  
  4. **Reference**  
     - Official documentation: [ABP Angular Localization - Adding a New Culture](https://abp.io/docs/latest/framework/ui/angular/localization#adding-a-new-culture)
  
  By following these steps, the "Cannot find the en/es locale file" errors should be resolved, and your localization will work as expected in ABP 9.2.1.
  
  Sources:
  - https://abp.io/docs/latest/framework/ui/angular/localization#adding-a-new-culture
  
  ---
  _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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• 

  0

  cmonzon created 18 days ago

  We tried this options after migrate but the error persist on our local environment. We have a commercial license

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• 

  0

  sumeyye.kurtulus created 17 days ago

  Support Team Angular Expert

  Hello,

  After adding this registerLocale function to your module file

  let localeMap = {} as { [key: string]: string };
  
  export function registerLocale(
    {
      cultureNameLocaleFileMap = {},
      errorHandlerFn = defaultLocalErrorHandlerFn,
    } = {} as RegisterLocaleData
  ) {
    return (locale: string): Promise<any> => {
      localeMap = { ...differentLocales, ...cultureNameLocaleFileMap };
      const localePath = `/locales/${localeMap[locale] || locale}`;
      return new Promise((resolve, reject) => {
        return import(
          /* webpackMode: "lazy-once" */
          /* webpackChunkName: "locales"*/
          /* webpackInclude: /[/\\](ar|cs|en|en-GB|es|de|fi|fr|hi|hu|is|it|pt|tr|ru|ro|sk|sl|zh-Hans|zh-Hant)\.(mjs|js)$/ */
          /* webpackExclude: /[/\\]global|extra/ */
          /* @vite-ignore */
          `@angular/common${localePath}`
        )
          .then(val => {
            let module = val;
            while (module.default) {
              module = module.default;
            }
            resolve({ default: module });
          })
          .catch(error => {
            errorHandlerFn({
              resolve,
              reject,
              error,
              locale,
            });
          });
      });
    };
  }
  

  Checking these points may be helpful:

  1. Verify the webpack include pattern in the function

     */* webpackInclude: /[/\\](ar|cs|en|en-GB|es|de|fi|fr|hi|hu|is|it|pt|tr|ru|ro|sk|sl|zh-Hans|zh-Hant)\.(mjs|js)$/ */*
     

  The pattern includes en but might not be matching the actual file structure.

  1. Check if en.mjs exists in @angular/common/locales/

     `ls angular/node_modules/@angular/common/locales/en*`
     

  The core issue is that the locale files are not being found by the dynamic import, likely due to a path or webpack configuration mismatch.

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