why do I get the following error when I execute this method: private void updatePerson(Long personId, String firstname) { Session session = HibernateUtil.getSessionFactory().getCurrentSession(); session.beginTransaction(); Person aPerson = (Person) session.load(Person.class, personId); aPerson.setFirstname(firstname); session.update(aPerson); session.save(aPerson); session.getTransaction().commit(); } exception org.hibernate.TransactionException: Transaction not successfully started org.hibernate.transaction.JDBCTransaction.rollback(JDBCTransaction.java:149) events.PersonServlet.doGet(Unknown Source) javax.servlet.http.HttpServlet.service(HttpServlet.java:697) javax.servlet.http.HttpServlet.service(HttpServlet.java:810) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) -------------------------------------------------------------------------------- View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3994468#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...