This error comes when the gwt didn't compile the type. Try to add these method in the Service-Class: com.example.chat.shared.Message compileMessage(com.example.chat.shared.Message x);
In the ServiceImpl-Class, just return null in the compileMessage method. On 11 Nov., 19:36, Jin Tie <[email protected]> wrote: > Hello everyone. > I'm going to make simple chat app using channel api. > But I have some problem. > When I created channel and try to send data on that channel, I get > error like following. > "com.google.gwt.user.client.rpc.SerializationException: Type > 'com.example.chat.shared.Message' was not included in the set of types > which can be serialized by this SerializationPolicy or its Class > object could not be loaded. For security purposes, this type will not > be serialized.: instance = com.example.chat.shared.mess...@f4e3b6" > > Here com.example.chat.shared.Message class implements > java.util.Serializable. > How can I solve this problem? > > I hope your help. > > Thanks. -- You received this message because you are subscribed to the Google Groups "Google App Engine" 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?hl=en.
