anonymous wrote : --- MBeans waiting for other MBeans --- | ObjectName: jboss.ejb:service=EJBTimerService,persistencePolicy=database | State: CONFIGURED | I Depend On: | jboss.jca:service=DataSourceBinding,name=DefaultDS Looks like you also removed the hsqldb-ds.xml file. That file declares the DefaultDS data source. Unless you plan on converting DefaultDS to use Oracle (or some other database), you should put the hsqldb-ds.xml file back into the server/xxx/deploy directory. And I repeat: PeterJ wrote : What username and password did you provide in [the oracle-ds.xml] file? Is it a valid Oracle username and password? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4192304#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...