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???
> >
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