LuTiao Programming

Sep 8, 2026 · Backend Development

Migrating from Feign to @HttpExchange in Spring Boot 4: Why It's Not That Simple

The author shares their experience replacing OpenFeign with Spring's @HttpExchange during a Spring Boot 4 upgrade, demonstrating how interface definitions simplify but cross-cutting concerns like authentication, timeouts, and error handling remain, leading to a pragmatic coexistence of both tools based on project needs.