Thank you - I've got it. Meantime I'm trying to explore org.jboss.seam.core.Manager sourcecode in order to get an answer about how seam determines if long conversation is active, but with no success ( Seems that restoreConversation() method looks at "conversationIsLongRunningParameter" in request parameters map, but what about the postback ? .... I think an answer to such question is a "key" for understanding seam conversations. Can anyone explain how does it work ? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4096114#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...