@Transactional (noRollbackFor=RuntimeException.class) does not prevent rollback on RuntimeException

Question

@Transactional (noRollbackFor=RuntimeException.class)
public void methodA (Entity e){
   service.methodB(e);
}

---service method below---

Answer 1

Once an exception is caught, the Hibernate Session should be discarded and the transaction should be rolled back:

If the Session throws an exception, the transaction must be rolled back and the session discarded. The internal state of the Session might not be consistent with the database after the exception occurs.

So, noRollbackFor applies to your Service and DAO layer that might throw an exception. Let's say you have a gatewayService that write to a Database through a Hibernate DAO and also sends an email through an emailService. If the emailService throws a SendMailFailureException you can instruct the gatewayService not to roll back when it will catch this exception:

@Transactional(noRollbackFor=SendMailFailureException.class)
public void saveAndSend(Entity e){
   dao.save(e);
   emailService.send(new Email(e));
}