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Advanced Error Handling in Spring Boot with @ControllerAdvice

Error handling is a critical aspect of any robust application. Spring Boot provides various mechanisms to handle exceptions gracefully, one of which is @ControllerAdvice
. This powerful annotation allows you to centralize exception handling logic, making your application more maintainable and user-friendly. In this article, we'll explore how to use @ControllerAdvice
for advanced error handling in Spring Boot.
Setting Up the Project
Start by creating a new Spring Boot project using Spring Initializr with the following dependencies:
- Spring Web
Defining Custom Exceptions
First, define a couple of custom exceptions that our application might throw.
public class UserNotFoundException extends RuntimeException {
public UserNotFoundException(String message) {
super(message);
}
}
public class InvalidUserException extends RuntimeException {
public InvalidUserException(String message) {
super(message);
}
}