Spring Boot - Exception Handling
In a Spring Boot REST API, which HTTP status code is conventionally returned when input validation fails for a request payload?
In a Spring Boot REST API, which HTTP status code is conventionally returned when input validation fails for a request payload?
easy📝 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand validation failure
When a request payload violates validation constraints, Spring Boot treats it as a client error.Step 2: Identify appropriate HTTP status
HTTP 400 Bad Request indicates the client sent invalid data, which matches validation failure.Final Answer:
400 Bad Request -> Option CQuick Check:
Validation errors correspond to client-side input issues [OK]
Quick Trick: Validation errors return 400 Bad Request by default [OK]
Common Mistakes:
- Confusing 400 with 404 which means resource not found
- Assuming 500 Internal Server Error for validation issues
- Using 201 Created which is for successful resource creation
Master "Exception Handling" in Spring Boot
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