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)
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