Configuring a Default Data Source for an EJB 3.0 Application

You can configure a default data source for an EJB 3.0 application using deployment XML (see "Using Deployment XML").

For more information, see the following:

• "What is a Default Data Source?"

• "Data Sources" in the Oracle Containers for J2EE Services Guide

Using Deployment XML

To configure a default data source for an EJB 3.0 application, do the following:

1. Set the name of the default data source in the default-data-source attribute of your orion-application.xml file.

2. Customize your EJB 3.0 application to define a data source of this name in your ejb3-toplink-session.xml file.

   For more information, see the following:

   • "What is the ejb3-toplink-sessions.xml File?"

   • "Customizing the JPA Persistence Provider"