Thanks for your help! I've just decided to open portlet B in a popup window. That serves the purposes. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4018570#4018570 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4018570