What will happen if an exception is thrown in a Spring Boot controller but no matching @ExceptionHandler method exists in the @ControllerAdvice class?

medium📝 component behavior Q5 of 15

Spring Boot - Exception Handling

ASpring Boot returns a default error response with status 500

BThe application crashes without any response

CThe exception is ignored and the request succeeds

DThe exception is automatically logged but no response is sent

Step-by-Step Solution

Solution:

Step 1: Understand exception handling fallback
If no handler matches, Spring Boot uses its default error handling mechanism.
Step 2: Default behavior of Spring Boot
By default, Spring Boot returns a 500 Internal Server Error with a standard error body.
Final Answer:
Spring Boot returns a default error response with status 500 -> Option A
Quick Check:
No handler found = default 500 error response [OK]

Quick Trick: No handler means Spring Boot sends 500 error by default [OK]

Common Mistakes:

Thinking app crashes without response
Assuming exception is ignored
Believing no response is sent

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More Spring Boot Quizzes

What will happen if an exception is thrown in a Spring Boot controller but no matching @ExceptionHandler method exists in the @ControllerAdvice class?

Step 1: Understand exception handling fallback

Step 2: Default behavior of Spring Boot

Final Answer:

Quick Check:

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