GWT: 2.0.3 On Fri, Mar 12, 2010 at 4:38 PM, Max Ross (Google) < [email protected] <maxr%[email protected]>> wrote:
> What version of the sdk are you using? > > On Fri, Mar 12, 2010 at 1:36 PM, Pavel Byles <[email protected]> wrote: > >> Anyone? >> >> >> On Fri, Mar 12, 2010 at 8:41 AM, Pavel Byles <[email protected]>wrote: >> >>> I'm trying to delete all entities in my datastore but I receive the >>> following error: >>> >>> javax.jdo.JDOUserException: One or more instances could not be deleted... >>> NestedThrowablesStackTrace: >>> java.lang.IllegalArgumentException: id cannot be zero... >>> >>> >>> >>> >>> Caused by:java.lang.IllegalArgumentException: id cannot be zero.... >>> >>> >>> For the following code: >>> >>> public void deleteAllMyType() { >>> PersistenceManager pm = PMF.get().getPersistenceManager(); >>> Query query = pm.newQuery(MyType.class); >>> try { >>> query.deletePersistentAll(); >>> //List<MyType> clist = (List<MyType>) query.execute(); >>> //pm.deletePersistentAll(clist); // This doesn't work either >>> } finally { >>> query.closeAll(); >>> pm.close(); >>> } >>> } >>> >>> My entity class looks like this: >>> >>> @PersistenceCapable(identityType = IdentityType.APPLICATION)//, >>> detachable = "false") >>> public class MyType implements Serializable { >>> @PrimaryKey >>> @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) >>> private Long id; >>> >>> @Persistent >>> private String name; >>> . >>> . >>> . >>> } >>> >>> -- >>> -Pav >>> >> >> >> >> -- >> -Pav >> >> -- >> 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 >> [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<google-appengine-java%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/google-appengine-java?hl=en. >> > > -- > 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 > [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine-java%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > -- -Pav -- 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 [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-appengine-java?hl=en.
