Architect's Tech Stack

Jun 12, 2026 · Backend Development

Why Manual JAR Deployment Is Outdated: Embrace Dynamic Hot‑Deployment Plugins

The article explains why rebuilding and redeploying a whole JAR for small rule or script changes is inefficient, distinguishes development‑time hot reload from production hot deployment, and shows how a plugin architecture using URLClassLoader and ServiceLoader provides granular, rollback‑friendly, and extensible updates while warning of classloader leaks and dependency conflicts.