Hibernate (JPA): how to handle StaleObjectStateException when several object has been modified and commited

Question

Consider the scenario: A Db transaction envolving more than one row from different tables with versioning.

For example: A shopLists and products. Where a shopList ma

Answer 1

I found out how.

First things first: the JPA (or the hibernate itself) wraps the org.hibernate.StaleObjectStateException exception as javax.persistence.OptimisticLockException. So, if you want to catch the right exception, go for OptimisticLockException.

Second: The hibernate will only throw the OptimisticLockException when you call EntityManager's method Flush before commit. If you call Commit directly you will get another exception instead (I've forgot which). Considering almost everyone catches those exceptions issued by the commit method and go for a transaction rollback, you'll get a Rollback's related exception (can't remember which once again).

Third and finaly answering my original question: You just have to call the getEntity method from the OptimisticLockException instance to get the origin of the Versioning error. That's going to provide you anything you need related to that.

Thanks for all of those who passed by here. Any questions regarding that, just ask and I'll be glad to help.