Denis Golovin [http://community.jboss.org/people/dgolovin] replied to the discussion "Missing prefix "navigation" in tree view of XML editor" To view the discussion, visit: http://community.jboss.org/message/539616#539616 -------------------------------------------------------------- I can replicate this om my 3.1.0.GA installation. It looks like an issue because XML validation goes without errors for this file. Please, report this issue in https://jira.jboss.org/jira/browse/JBIDE JBossTools JIRA for seam component. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/539616#539616] Start a new discussion in JBoss Tools at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]