#rest

2 post(s)

When `@Valid` Fails, the Body Should Help:Problem Details and `@ControllerAdvice`

Turn Bean Validation failures and domain exceptions into RFC 7807 ProblemDetail responses with @ControllerAdvice so API clients get a body they can actually use.

Spring Boot

REST API with Boot 3 + Records as DTOs

Design a Spring Boot 3 REST boundary with Java records, Bean Validation, Jackson, and explicit mapping to service-owned models.