you need to know that GWT/ajax does not allow cross domain communication.

Apparently you have a security problem with cross domain communication.

On Wed, Mar 10, 2010 at 2:34 PM, jbroquefere <
[email protected]> wrote:

> Hello everybody,
> i have to publish my gwt app under jkmount + url rewriting.
>
> Just under jkmount, everything works fine
> but when i use url rewriting, it does not work.
> I have thie error (on my tomcat console):
> com.google.gwt.user.client.rpc.SerializationException: Type
> 'com.my.comp.MyObject' was not assignable to
> 'com.google.gwt.user.client.rpc.IsSerializable' and did not have a
> custom field serializer.For security purposes, this type will not be
> serialized.: instance = enterprise
>
> MyObj is a simple enum, and i repeat everythings works fine under
> tomcat, then under apache+jkmount (which redirect to apache), but it
> doesnt work with url rewriting.
>
> Is there a way to make it working fine?
>
> Regards,
>
> Jean-Baptiste Roquefère
>
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