How do you handle error handling and exception management in Spring Boot?

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In Spring Boot, error handling and exception management are handled using a structured and flexible approach that improves application stability and user feedback. Here's how it's typically done:

1. Using @ControllerAdvice and @ExceptionHandler:

• @ControllerAdvice is a global exception handler for all controllers.

• @ExceptionHandler defines methods to handle specific exceptions.

2. Using ResponseEntityExceptionHandler:

• Extend ResponseEntityExceptionHandler for more control over standard exceptions like MethodArgumentNotValidException.

3. Custom Exceptions:
Define custom exceptions (e.g., ResourceNotFoundException) for domain-specific errors and handle them centrally.
4. Validation Errors:
Use @Valid or @Validated on method parameters and handle validation failures via exception handlers.
Spring Boot’s exception handling makes your APIs more robust, user-friendly, and easier to maintain by centralizing and standardizing error responses.

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