Your method can not return List<Object[]> because Object doesn't implement Serializable. Any methods in the server must return any types that implements Serializable. You can find an example from http://www.gwtorm.com/mail/Mail.html.
Jim http://www.gwtorm.com http://code.google.com/p/dreamsource-orm/downloads/list On May 1, 11:11 am, Midou <[email protected]> wrote: > Hi > I have realized an application with GWT and EJB3 and MYSQL data base. > All this parts communicate successfully with a method which returned > String or int. My problem is when i used a returned type as > List<Users> (Users is an entity which corresponds to the table Users > in the data base), an error occurred in GWT hosted mode application). > Please you resolve this problem.Or have you an example how to > implement a method which returned a List of object in GWT in all > classes ( Myservice, MyserviceAsynch, and MyserviceImpl and in > OnModuleLoad() ). > > This is the imlpmentation of verifuser method > ________________________________________________________________ > public List<Object[]> verifuser(String login,String pwd){ > try > { > String texteRequête = "SELECT u.useId,u.useLoginName FROM Users AS u > WHERE u.useLoginName=:p and u.usePassword=:p2"; > Query requête = em.createQuery(texteRequête); > return requête.setParameter("p",login).setParameter > ("p2",pwd).getResultList(); > } > catch (Exception e) { > return null ; > } > _________________________________________________________________ > > Thank you. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
