have you configured the global resource on server.xml? and remember the name on the global resource should match the one refered by the ResourceLink <ResourceLink name="jdbc/oracle" global="jdbc/oracle" type="javax.sql.DataSourcer"/> i found there is a mismatch: "jdbc/mysql" and "jdbc/oracle".
and remember the name on the global resource should match the one refered by the ResourceLink
<ResourceLink name="jdbc/oracle" global="jdbc/oracle" type="javax.sql.DataSourcer"/>
i found there is a mismatch: "jdbc/mysql" and "jdbc/oracle".