1. If the SCOTT user is locked or has not been created yet, then unlock/create it
  2. Go to Application Server Control for your Middle-Tier
  3. In the Members section, click on "home"
  4. Select Administration
  5. Select JDBC Resources
  6. Under Data Sources, click Create
  7. Under Data Source Type, select Native Data Source
  8. Click Continue

  9. Create Native Data Source:

  10. Click Test Connection
  11. Click Test
  12. Click Finish

  13. Restart the OC4J Container