Looks like you need to click Add next to the Seam Runtime text field and let Eclipse know where Seam is located. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4258488#4258488 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4258488