Solon Validation: @Valid, 20+ Annotations, and Custom Validators Without the JSR 380 Baggage

📰 Dev.to · Solon Framework

Learn to use Solon's validation system with 20+ annotations and custom validators without JSR 380 dependencies

intermediate Published 31 Jul 2026

Action Steps

Use @Valid annotation on controller methods to enable validation
Apply Solon's built-in annotations (e.g. @NotEmpty, @Email) to validate method parameters
Create custom validators using Solon's validation API
Configure validation rules on components and controllers
Test validation using sample requests and verify error responses

Who Needs to Know This

Backend developers and software engineers can benefit from this article to improve validation in their Solon framework applications

Key Insight

💡 Solon's validation system provides a lightweight alternative to JSR 380 for validating controller inputs

Key Takeaways

Learn to use Solon's validation system with 20+ annotations and custom validators without JSR 380 dependencies

Full Article

A practical walkthrough of Solon's built-in validation system — no javax.validation, no Jakarta, just annotations that work on controllers and components.

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