Sql commands do not complete - hangs in console - hibernate -

what wrong code? sql command not complete, show_sql, able see first sql command issued, , left hanging out there indefinitely - program not proceed.

public class persondao { private configuration configuration; private sessionfactory sessionfactory; private session session;  public persondao () {     configuration = new configuration().configure();     sessionfactory = configuration.buildsessionfactory();  }  public person addperson(person p) {     transaction transaction = null;     try      {         session = sessionfactory.opensession();         transaction = session.begintransaction();         system.out.println("before person add");         session.save(p);         system.out.println("person added");         transaction.commit();     } catch (exception e) {         e.printstacktrace();     } {         session.flush();         session.close();     }     return p; }  @suppresswarnings("finally") public boolean deleteperson(long personid)  {     boolean issuccessful = false;     transaction tx = null;     try {         session = sessionfactory.opensession();         tx = session.begintransaction();         object persistentinstance = session.load(person.class, personid);         if (persistentinstance != null) {             ((person)persistentinstance).getresponses().clear();             ((person)persistentinstance).getownedevents().clear();             session.delete(persistentinstance);         }         session.gettransaction().commit();     } catch (exception e) {         tx.rollback();         issuccessful = false;         e.printstacktrace();     } {         session.flush();         session.close();         return issuccessful;     } } 

you need configure hibernate.cfg.xml file

    configuration=new configuration();     configuration.configure("hibernate.cfg.xml");