"ariefbastian" wrote: I'm just happening to compare CMR for CreditCompany-CreditCard at ejb-jar.xml and the bean implementation for CreditCompany.
CMIIW, but I think there are missing functions in the source code of CreditCompanyBean.java for Persistent Relationships to CreditCardEJB, since the CMR for these relationship is bidirectional many-to-one.
BTW, this is a great companion book to know about implementing EJB in JBoss.