Thanks, i'll try What i do not understand, this value is not stored in db On Jan 26, 1:06 pm, John Patterson <[email protected]> wrote: > You could try using Boolean instead of boolean. > > On 27 Jan 2010, at 00:48, Andrei wrote: > > > > > I have entity that is already stored in db > > I added boolean field that i do not want to store in db, so it's not > > marked as @Persistent > > > When retrieve existing entity from db i get exception > > > java.lang.NullPointerException: Datastore entity with kind Data and > > key Data("mykey") has a null property named needsUpdate. This > > property is mapped to com.foo.Data.needsUpdate, which cannot accept > > null values. > > > What did i do wrong? > > > -- > > 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 > > athttp://groups.google.com/group/google-appengine-java?hl=en > > .
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