Beats me. It seems to be some sort of pixie dust you'll often need to apply. You don't need it for String, Long, Date, and a variety of other jdk classes, but I think you will need it for your classes. I don't understand why it's not used in the GAE web site's documentation.
Tito George wrote: > Thanks, It is working. Is this an issue? Or is it specific to Text > > On Nov 3, 11:00 am, Rusty Wright <rwright.li...@gmail.com> wrote: >> What happens if you change @Persistent to @Persistent(defaultFetchGroup = >> "true") >> ? >> >> >> >> Tito George wrote: >>> Enviornment: Local >>> I have a Text field in one Persistent capable object, >>> @Persistent >>> private com.google.appengine.api.datastore.Text event_Description; >>> I am sure that i am not setting null into this field. >>> But while operating on queried object event_Description.getValue() is >>> throwing NullPointerException. I am quering like this. >>> public static Map<Long, Event> getEvents(AppUser appUser){ >>> PersistenceManager pm = >>> PMF.getInstance().getPersistenceManager(); >>> Query query = pm.newQuery(Event.class); >>> query.setFilter("email == pEmail"); >>> query.declareParameters("String pEmail"); >>> List<Event> result = null; >>> Map<Long, Event> eventsMap = null; >>> try { >>> result = (List<Event>) query.execute(appUser.getEmail()); >>> eventsMap = new HashMap<Long, Event>(); >>> for(Event e: result){ >>> //LINE TO REPLACE >>> eventsMap.put(e.getEvent_ID(), e); >>> } >>> } finally { >>> pm.close(); >>> query.closeAll(); >>> } >>> return eventsMap; >>> } >>> Its works fine if I replace above commented line(//LINE TO REPLACE) >>> with >>> String str = e.getEvent_Description(); >>> or >>> sop(e.getEvent_Description()); >>> or >>> e.getEvent_Description(); >>> Any Comments??? > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-java@googlegroups.com To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en -~----------~----~----~----~------~----~------~--~---