Yes, T must extend a serializable type, as you said otherwise GWT
can't tell what it might be. Yes serialization discovery issues are a
pain...right now you just have to stare through the RPC log and try to
divine what happened.
On Apr 12, 4:46 am, Jon Vaughan <jsvaug...@gmail.com> wrote:
> I think the problem is that on this example the type of the payload
> can be anything (it is not required to be serializable); given that
> this is possible, GWT must say, OK, then this type itself cannot be
> serialized (I would like this to fail the compile though somehow)
>
> On Apr 12, 10:27 am, Jon Vaughan <jsvaug...@gmail.com> wrote:
>
> > Hi,
>
> > I have a serialization issue to solve, where a class that is passed to
> > the client, and is marked as IsSerializable, with a default no arg
> > constructor, does not end up in the whitelist. There are no messages
> > during the gwt compile (at debug level)
>
> > 1. Does anyone have any thoughts about how I could automatically test
> > for, or fail a build, if this is the case?
> > 2. Does anyone know how I can get detailed information from GWT about
> > this type of issue?
> > 3. Anybody got any ideas what the problem itself is? :) (Are there
> > issues with generic types and serialization? Do I have to explicitly
> > whitelist the variations I want to use somehow?)
>
> > Thanks if anyone has the time to look
>
> > Jon
>
> > My specific problem is as follows: Type
> > 'com.itf.shared.actions.ResponseWithPayload' was not included in the
> > set of types which can be serialized by this SerializationPolicy
>
> > With the following command pattern style interface (where
> > SingleQuestion is itself in the whitelist)
>
> > 1. The service
>
> > public interface ApplicationService extends RemoteService {
> > <T extends IResponse> T execute(ICommand<T> action);
>
> > }
>
> > 2. The command
>
> > public class SingleQuestionRequest implements
> > ICommand<ResponseWithPayload<SingleQuestion>>, IsSerializable {
> > public SingleQuestionRequest() {
> > }
>
> > }
>
> > 3. The response class that doesn't end up in the whitelist
>
> > public class ResponseWithPayload<T> implements IResponse,
> > IsSerializable {
> > private T payload;
>
> > @SuppressWarnings("unused")
> > private ResponseWithPayload() {
> > }
>
> > public ResponseWithPayload(T payload) {
> > super();
> > this.payload = payload;
> > }
>
> > public T getPayload() {
> > return payload;
> > }
>
> > }
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