public void nestedRollback(List articles, List persons)
{
//store all objects
ArticleManagerODMGLocal am = getArticleManager();
PersonManagerODMGLocal pm = getPersonManager();
am.storeArticles(articles);
pm.storePersons(persons);
// after all is done we throw an exception to activate rollback process
throw new EJBException("## testNestedRollback - Test rollback behaviour ##");
}