&quot;pete.muir(a)jboss.org&quot; wrote : <param name="windowType" value="#{windowType}"/> | | isn't really valid in pages.xml's params - it needs to be #{window.type} - resolvable in both directions. | | But file a bug, an NPE there isn't nice! Thanks I'll file it. BTW, I found the JS memory leak in seam remoting on IE6 again. I'll also try #{window.type}, window should be an event scoped bean then? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4124364#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...