Peter Johnson [http://community.jboss.org/people/peterj] replied to the discussion "Migrate from Jboss 4.2.3 to Jboss 5.1.0 ==> lookup("java:comp/env") threw exception" To view the discussion, visit: http://community.jboss.org/message/536263#536263 -------------------------------------------------------------- See if this helps: http://community.jboss.org/message/251298#251298 http://community.jboss.org/message/251298#251298 You will have to add a jboss-web.xml file to the WEB-INF directory. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/536263#536263] Start a new discussion in Beginner's Corner at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]