Camunda Optimistic Locking Exception — Root Cause & Fix
Camunda Optimistic Locking Exception — Root Cause & Fix 4 Introduction If you work with Camunda BPM , sooner or later you will encounter an error called OptimisticLockingException . Many developers panic when they see this exception in logs, assuming something is broken in the workflow engine. In reality, this exception is a normal concurrency protection mechanism used by Camunda to maintain consistent process data. In this article we will cover: What Camunda Optimistic Locking Exception is The real root causes Common scenarios where it occurs Practical fixes and best practices What is Optimistic Locking in Camunda? Camunda uses optimistic locking to prevent multiple transactions from modifying the same database row at the same time. When two transactions try to update the same record simultaneously, Camunda detects the conflict and throws an OptimisticLockingException instead of allowing inconsistent data to be saved. This mechanism ensures that: Process state remains con...