spring-validation

Bean Validation (JSR-380) with Spring Boot. Covers request validation, custom validators, validation groups, and error handling. USE WHEN: user mentions "spring validation", "@Valid", "@NotNull", "@NotBlank", "bean validation", "request validation", "custom validator", "validation groups", "ConstraintValidator", "@Pattern" DO NOT USE FOR: business rule va…

Independent GitHub snapshot · Automated classification · Original documentation governs