Snippet

Global Error Handling with @ControllerAdvice

Using @ControllerAdvice allows you to handle exceptions globally across all controllers in a single class, separating error logic from business logic.

snippet.java

java

@ControllerAdvice
public class GlobalExceptionHandler {
    @ExceptionHandler(NullPointerException.class)
    public String handleNullPointer(NullPointerException ex) {
        return "errors/null-reference";
    }
}

spring

Breakdown

@ControllerAdvice

Specialization of @Component for classes that declare @ExceptionHandler methods to be shared across multiple @Controller classes.

@ExceptionHandler(...)

Annotation for handling specific exceptions in handler classes or methods.

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Global Error Handling with @ControllerAdvice

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