Make sure that your app server can still find the <HASH>.rpc file. Thats your GWT-RPC serialization policy file that the server must know in order to serialize anything that implements Serializable. If it does not find this file it falls back to the old IsSerializable mechanism and if you do not have implemented that interface serialization will fail.
Normally you should see a warning in the app server log on the first RPC request when GWT's RemoteServiceServlet tries to load the serialization policy file but can not find it. For example I often have to change the lookup of that file because my deployment does not conform to GWT's standard assumptions. -- J. -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-web-toolkit/-/yM2c4-jVl4gJ. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
