HibernateOptimisticLockingFailureException – StaleObjectStateException

遇到了HibernateOptimisticLockingFailureException – StaleObjectStateException , 一直卡著。
原來是detach的entity拿錯了version no. @@

http://www.cabiritech.com/java/hibernate-orm/optimistic-locking-in-hibernate-and-jpa/