How can you handle validation errors globally across the application in a centralized manner?

  • Use the @ExceptionHandler annotation on each controller method.
  • Implement a custom exception handler for each validation error.
  • Define a global exception handler using the @ControllerAdvice annotation.
  • Handle validation errors separately in each controller without centralization.
To handle validation errors globally across a Spring Boot application in a centralized manner, you should define a global exception handler using the @ControllerAdvice annotation. This allows you to handle validation errors uniformly across all controllers, promoting code reusability and centralization. Options 1 and 2 are incorrect as they involve handling errors at the controller level, and Option 4 is not recommended as it lacks centralization.
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