Individual skill
restclient-migration
Migrate RestTemplate to RestClient in Spring Boot 3.2+. Use when replacing deprecated RestTemplate with modern fluent API, updating HTTP client code, or configuring RestClient beans. Covers GET/POST/DELETE migrations, error handling, and ParameterizedTypeReference usage.
tasks/spring-boot-jakarta-migration/environment/skills/restclient-migration/SKILL.md
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SKILL.mdcore · 8,515 bytes
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# RestTemplate to RestClient Migration Skill
## Overview
Spring Framework 6.1 (Spring Boot 3.2+) introduces `RestClient`, a modern, fluent API for synchronous HTTP requests that replaces the older `RestTemplate`. While `RestTemplate` still works, `RestClient` is the recommended approach for new code.
## Key Differences
| Feature | RestTemplate | RestClient |
|---------|-------------|------------|
| API Style | Template methods | Fluent builder |
| Configuration | Constructor injection | Builder pattern |
| Error handling | ResponseErrorHandler | Status handlers |
| Type safety | Limited | Better with generics |