public void methodOne() {
    //..do some stuff
    try  {
       transactionalMethod();//won't do what I want
    } catch(OptimisticLockingFailure e) {
      //..recover
    }
}

@Transactional
public void transactionalMethod() {
    //...do some stuff to database
}

@Transactional(propagation = Propagation.REQUIRES_NEW)
public void transactionalMethod() {
    //...do some stuff to database
}