GWT – occasional com.google.gwt.user.client.rpc.SerializationException
did you check http://code.google.com/webtoolkit/doc/latest/tutorial/RPC.html#serialize the article says: It has a default (zero argument) constructor with any access modifier (e.g. private Foo(){} will work) I’m allways forgetting zeroargument const. when I am making a serializable object 😀