Is TestEntity.position a primitive datatype? Primitive datatypes can't be null so that's probably your problem.
On Mar 23, 2:49 pm, sree <[email protected]> wrote: > when a new property is added for an existing entity, new entity will > be created along with the new property, > whereas the old entity shows as missing for the new property. > > when a query is executed > > the following exception is shown. > > Exception : java.lang.NullPointerException: Datastore entity with kind > TestEntity and key TestEntity(9001) has a null property named > position. This property is mapped to com.entity.TestEntity.position, > which cannot accept null values. > > how to add new property for an existing entity ? -- 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.
