Java Tech Workshop

Aug 10, 2026 · Backend Development

SpringBoot Backend Anti‑Duplicate Submission: Stop “Hand‑Shake” Clicks with Redis‑AOP

This article explains why frontend debouncing cannot fully prevent duplicate form submissions, compares common backend anti‑duplicate strategies, and provides a step‑by‑step guide to implementing a robust, annotation‑driven solution in SpringBoot using Redis distributed locks, AOP, and custom exception handling.