Java Architect Essentials

Nov 1, 2026 · Backend Development

Spring's Hidden Async Alternative to MQ: Built-in Events for In-Process Decoupling

This article explains how Spring's built-in event mechanism provides a lightweight alternative to message queues for in-process asynchronous decoupling, covering synchronous vs asynchronous handling, transactional event listeners, thread pool configuration, lifecycle events, and when persistent solutions are needed.