i have the same problem

On 5 ago, 04:52, mike <m...@introspect.com> wrote:
> I have a simple one-to-many betwen two entities.  The parent entity
> uses List to contain the child entities.  I am able to persist these
> entities in the datastore without problems.
>
> However, when reading a root entity at the server, I get:
>
> rpc.SerializationException: Type 'org.datanucleus.sco.backed.List' was
> not included in the set of types  which can be serialized...
>
> The entities are successfully read from the datastore, but something
> in Datanucleus doesn't build the List correctly.
>
> Has anyone found a workaround for this serialization problem.
>
> Thanks
>
> GWT 1.7 GAE 1.2.2
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