Mastering Global Exception Handling with @ControllerAdvice in Spring Boot

source : springjava.com

Introduction: In the realm of Spring Boot development, effectively handling exceptions is crucial for building robust and resilient applications. The @ControllerAdvice annotation provides a powerful mechanism for implementing global exception handling strategies across all controllers in a Spring Boot application. In this comprehensive guide, we’ll delve into the intricacies of @ControllerAdvice annotation, exploring its capabilities and demonstrating how to implement a global exception handler in Spring Boot with detailed code examples.

Understanding @ControllerAdvice Annotation: The @ControllerAdvice annotation in Spring Boot allows developers to define global exception handling logic that applies to all controllers within the application. This annotation is commonly used to centralize exception handling logic, providing a uniform approach to dealing with errors and exceptions across the entire application.

1. Exception Handling Methods: @ControllerAdvice annotated classes can contain methods annotated with @ExceptionHandler, which handle specific types of exceptions thrown by controller methods. These methods can perform custom exception handling logic, such as logging errors, returning meaningful error messages, or redirecting users to error pages.

@ControllerAdvice…