Which version of the App Engine SDK?
On Fri, Mar 12, 2010 at 1:43 PM, Pavel Byles <pavelby...@gmail.com> wrote:
> GWT: 2.0.3
>
> On Fri, Mar 12, 2010 at 4:38 PM, Max Ross (Google) <
> maxr+appeng...@google.com <maxr%2bappeng...@google.com>> wrote:
>
>> What version of the sdk are you using?
>>
>> On Fri, Mar 12, 2010 at 1:36 PM, Pavel Byles <pavelby...@gmail.com>wrote:
>>
>>> Anyone?
>>>
>>>
>>> On Fri, Mar 12, 2010 at 8:41 AM, Pavel Byles <pavelby...@gmail.com>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
>>>
>>> --
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>>
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>
>
>
> --
> -Pav
>
> --
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