Right-click on the Model project and select the Project Properties for the Model
project. In the Project Properties window, select Libraries and Classpath . The
libraries in the EJB 3.0 project get displayed. The libraries include the TopLink
library, as the entity bean uses the TopLink persistence provider.
Select the EJB Module node. The EJB Module displays the default data source JNDI
name, the EJB Version , the connection, and the annotated entity bean class.
Click on OK :