I am using the jboss4.0.3 , and datasource from sqlserver to oracle9i now, when I deploy the oracle-ds.xml, ejb is ok! But it show me the errors as following: someone help? --- MBEANS THAT ARE THE ROOT CAUSE OF THE PROBLEM --- ObjectName: jboss:service=KeyGeneratorFactory,type=HiLo State: FAILED Reason: java.sql.SQLException: ORA-00942: ??????? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3957946#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...