I had a serialization problem (when redeploying the application in
Tomcat) that I can't understand... Basically, I had this on my
Page.onBeforeRender:
---------------
visitChildren(TextField.class, new Visitor<TextField<?>>() {
private static final long serialVersionUID = 1L;
public Object component(TextField<?> textField)
{
textField.add(new AjaxEventBehavior("onchange") {
private static final long serialVersionUID = 1L;
@Override
protected void onEvent(AjaxRequestTarget target)
{
if (mode == Mode.NAVIGATE)
{
mode = Mode.EDIT;
setupMode();
target.addComponent(buttonPanel);
}
}
});
setupValidators(textField);
return IVisitor.CONTINUE_TRAVERSAL;
}
});
---------------
The non-serializable class was the one created by "new
Visitor<TextField<?>> () { ... }". Creating MyVisitor and replacing this
call solved the problem:
---------------
private abstract class MyVisitor<X extends Component>
implements IVisitor<X>, Serializable
{
private static final long serialVersionUID = 1L;
}
---------------
Why should a non-serializable Visitor could case this problem? Does
(why?) it get cached on the page?
Adriano
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