How To Retry Transaction Via TransactionTemplate After OptimisticLockException Exception (@Version)

Note: Optimistic locking via @Version works for detached entities as well.

Description: This is a Spring Boot application that simulates a scenario that leads to an optimistic locking exception. When such exception occurs, the application retry the corresponding transaction via db-util library developed by Vlad Mihalcea.

Key points:

• in pom.xml, add the db-util dependency
• configure the OptimisticConcurrencyControlAspect bean
• rely on TransactionTemplate

---

If you need a deep dive into the performance recipes exposed in this repository then I am sure that you will love my book "Spring Boot Persistence Best Practices"	If you need a hand of tips and illustrations of 100+ Java persistence performance issues then "Java Persistence Performance Illustrated Guide" is for you.

---