Two Liferay request with Vaadin 7.3.10

Vaadin 6 / 7 / 8
1

I’m using Vaadin with Liferay 6.1.2.
Two weeks ago I upgrade Vaadin from 7.1.11 to 7.3.10.
Now I notice that sometimes when I enter to my Vaadin portlets since URL’s like:



http://network1.tst.spribo.qoslabs.com/signup?p_p_id=11_WAR_spribo&p_p_lifecycle=0&p_p_state=maximized&VerificationEmailKey=48a59b21-f3ad-43eb-8a64-f7bf0aaaa693

Two request was process by my code:

  • The first one is process by a UI subclass (that was created before and generate an email with the URL show before) calling
    public void handleRenderRequest(RenderRequest request, RenderResponse response, UI ui)
  • The second one is process by a new UI subclass calling
    protected void init(VaadinRequest request)

The first one works fine, but the second one renders an empty page.
I don’t undestard why I got two request now (version 7.3.10) when with previos version (7.1.11) I only got one.
I’m using @PreserveOnRefresh at all my UI sub classes.