Cognitive Technology Team
Nov 19, 2023 · Backend Development
Resolving Task Overlap and Scheduling Issues in Quartz with DisallowConcurrentExecution and Distributed Locks
This article explains why Quartz jobs can overlap when their execution time exceeds the trigger interval, demonstrates how to prevent concurrent execution with the @DisallowConcurrentExecution annotation, discusses distributed lock and idempotency solutions for clusters, and covers thread‑pool limits, exception handling, and a complete Java demo.
ConcurrencyDisallowConcurrentExecutionJava
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