First portlet request

I’m using Vaadin 7.1.11 and Liferay 6.1.2 and I have an issue with the first portlet request.

Since I migrate from Vaadin 6 to Vaadin 7 I notice that first portlet request (at UI.init(VaadinRequest) method) is a Portlet Resouce Request instead of a Portlet Render Request.

It cause that Liferay WebKeys.PORTLET_CONFIGURATOR_VISIBILITY set to false doesn’t work for the first portlet request.

I was checking Vaadin code and I don’t know why the first Render Request that a Vaadin Portlet receive is processed by Vaadin PortletBootstarptHandler and it doesn’t create the UI for portlet?

Could I change that behavior?