Do both Person and Credentials (and everything else Person holds on to) implement Serializable?
Watch the logs to see if there are serialization errors. It's a problem of the page not being in the session - which means it either didn't make it there or the session is somehow gone. -- Jeremy Thomerson http://www.wickettraining.com On Sat, Nov 14, 2009 at 7:26 AM, Николай Кучумов <kuchum...@gmail.com>wrote: > Hello. > I have a "Person" class, describing a person, which has a member > "credentials" of type "Credentials" (username/password). > I tried to make a registration page in this way: > > Page > { > super(); > > Person person = [create a person with empty credentials]; > > Form form = new Form("form", new CompoundPropertyModel(person)); > > add(form); > > form.add(new TextField("familyName")); > form.add(new TextField("givenName")); > > form.add(new TextField("credentials.userName")); > form.add(new TextField("credentials.passWord")); > > // also add a submit button > } > > And now when I push the "Submit" button, it outputs this error: > > org.apache.wicket.protocol.http.PageExpiredException: Cannot find the > rendered page in session [pagemap=null,componentPath=0,versionNumber=0] > > I like the idea of compound object model, and I wouldn't like to deprive > myself from using it just because of this strange error... > Can you give me a hint on what have I done wrong in the code above? >
