If an interface and abstract class is specified in the <prim-key-class> tag of the Entity Bean property file, perform the operation as follows:

• In the case of Entity Bean (CMP)
  The error message KDJE42039-E is output during the deployment, and the deployment processing terminates with an error.
  
• In the case of Entity Bean (BMP)
  Deployment and execution can be performed in the same way as is performed when a class is specified.