Spring Integration Full Reference : See adapters.md for File, HTTP, Kafka adapters, Error Handling, and Testing patterns. Overview Quick Start --- Message & Channels --- Gateway (Entry Point) --- Integration Flow DSL --- Splitter & Aggregator --- Transformers --- Routers --- Service Activator --- Best Practices | Do | Don't | |----|-------| | Use DSL for readable flows | Build flows with XML only | | Configure error channels | Ignore errors silently | | Implement retry with backoff | Fail on first error | | Use queue channels for decoupling | Block in synchronous handlers | | Monitor channel…