according to jsr 168 spec: anonymous wrote : PLT.9.2 MAXIMIZED Window State | 15 The MAXIMIZED window state is an indication that a portlet may be the only portlet being | rendered in the portal page, or that the portlet has more space compared to other portlets | in the portal page. A portlet may generate richer content when its window state is | MAXIMIZED. that means that if on of the portlets is maximized, other portlets still can be visible, thus doView of them still needs to be called. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4021129#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...