Vicky Kak [http://community.jboss.org/people/vickyk] replied to the discussion "JBoss As 5.1.0.GA Switch DefaultDS to Oracle DS" To view the discussion, visit: http://community.jboss.org/message/539658#539658 -------------------------------------------------------------- You also need to make the changes here $JBOSS_HOME/server/default/deploy/uuid-key-generator.sar/META-INF/jboss-service.xml Check this entry in the jboss-service.xml <depends optional-attribute-name="DataSource">jboss.jca:service=DataSourceBinding,name=DefaultDS</depends> This change seem to be missing here too http://community.jboss.org/wiki/SetUpMysqlAsDefaultDS#comment-1999 http://community.jboss.org/wiki/SetUpMysqlAsDefaultDS#comment-1999 Try these changes and let us know if things work ok. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/539658#539658] Start a new discussion in JCA at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]