I viewed a forum post, logged in, replied, then my session timed out and I try to add a new post(not reply) and I got the following exception(you should really show an error page instead)....
java.lang.IllegalArgumentException: no file extension in
servlet path: /Community/SeamUsersForum org.jboss.seam.mock.MockViewHandler.getActionURL(MockViewHandler.java:44) org.jboss.seam.jsf.SeamViewHandler.getActionURL(SeamViewHandler.java:74) org.jboss.seam.faces.FacesManager.redirect(FacesManager.java:162) org.jboss.seam.faces.Navigator.redirect(Navigator.java:51) org.jboss.seam.exception.RedirectHandler.handle(RedirectHandler.java:51) org.jboss.seam.exception.Exceptions.handle(Exceptions.java:76) org.jboss.seam.web.ExceptionFilter.endWebRequestAfterException(ExceptionFilter.java:114) org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:70) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141) org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281) org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:58) org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69) org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158) org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)