[Solved] Consider this @ControllerAdvice class snippet: @ExceptionHandler(Exception.... } Why might this cause problems in a Spring Boot app? | Spring Boot

Spring Boot - Exception Handling

Consider this @ControllerAdvice class snippet:

@ExceptionHandler(Exception.class)
public ResponseEntity handleAll(Exception ex) {
    return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Error occurred");
}

Why might this cause problems in a Spring Boot app?

AIt only handles NullPointerExceptions, ignoring other exceptions.

BIt returns 200 OK status instead of error status.

CIt causes syntax errors because @ExceptionHandler cannot handle Exception class.

DIt catches all exceptions, hiding specific error handlers and making debugging harder.

Step-by-Step Solution

Solution:

Step 1: Understand broad exception handling impact
Handling Exception.class catches all exceptions, which can override more specific handlers and hide detailed error info.
Step 2: Evaluate other options
It only handles NullPointerExceptions, ignoring other exceptions. is wrong because it handles all exceptions, not just NullPointerException. It causes syntax errors because @ExceptionHandler cannot handle Exception class. is incorrect; syntax is valid. It returns 200 OK status instead of error status. is wrong; status is 500, not 200.
Final Answer:
It catches all exceptions, hiding specific error handlers and making debugging harder. -> Option D
Quick Check:
Generic Exception handler can hide specific errors [OK]

Quick Trick: Generic handlers override specific ones, use carefully [OK]

Common Mistakes:

Thinking it only handles NullPointerException
Believing it causes syntax errors
Assuming it returns 200 OK status

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More Spring Boot Quizzes

Consider this @ControllerAdvice class snippet:

Step 1: Understand broad exception handling impact

Step 2: Evaluate other options

Final Answer:

Quick Check:

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