Additional Notes
Why validate request DTOs at the controller boundary?
Track: Java
Topic: Spring Core
Focus: Persistence and Validation
Java: Persistence and Validation
Answer
So malformed input is rejected before it spreads into the service layer.
Validation is strongest at the edge of the system. It keeps invalid external data from contaminating deeper layers and lets the application fail fast with a clear HTTP contract.
Validation is strongest at the edge of the system. It keeps invalid external data from contaminating deeper layers and lets the application fail fast with a clear HTTP contract.
Topics: Java Persistence and Validation Spring Core