Apr 29, 2026 · Backend Development

Choosing a Scheduling Solution: Quartz vs XXL‑Job vs @Scheduled – Core Principles, Use Cases, Pros & Cons

The article provides a detailed comparison of three Java scheduling solutions—Spring's @Scheduled, Quartz, and XXL‑Job—covering their underlying mechanisms, key features, typical scenarios, common pitfalls, and practical recommendations to help developers select the most suitable option for their projects.

@ScheduledDistributedQuartz

0 likes · 18 min read

Choosing a Scheduling Solution: Quartz vs XXL‑Job vs @Scheduled – Core Principles, Use Cases, Pros & Cons

Code Ape Tech Column

Jan 26, 2026 · Backend Development

Prevent Duplicate Spring @Scheduled Jobs in Multi‑Instance Deployments with ShedLock

When a Spring Boot application using @Scheduled is deployed on multiple servers, each instance triggers the same job, leading to duplicate processing; this article explains why the problem occurs, reviews simple single‑node and Redis lock approaches, and provides a step‑by‑step guide to integrate the ShedLock framework for reliable, annotation‑driven distributed locking.

@ScheduledJavaShedLock

0 likes · 8 min read

Prevent Duplicate Spring @Scheduled Jobs in Multi‑Instance Deployments with ShedLock