[Hibernate] Subclassing And "net.sf.hibernate.MappingException: No persister for" Exception

[Matthew E . Porter]

Please help!!!  (I hate sending e-mails out like this, but am crunched 
for time.)

First, I am using Hibernate 2.0.3 and Spring.

I have a interface called PaymentType which has 2 implementing classes- 
CreditCardPaymentType and EmailPaymentType.  I am able to persist new 
PaymentTypes without issues; however, when associating a PaymentType to 
another object (Registration), I receive the following exception:

No persister for: 
com.demandsolutions.merovingian.payment.entity.PaymentType; nested 
exception is: net.sf.hibernate.MappingException: No persister for: 
com.demandsolutions.merovingian.payment.entity.PaymentType

Registration.java
------------------------
public class Registration extends BaseEntityObject {
    private PaymentType paymentType;
    // other variables and methods......

    // Hibernate Mappings declared in supplementary file!
    public PaymentType getPaymentType() {
        return this.paymentType;
    }
    public void setPaymentType(PaymentType paymentType) {
        this.paymentType = paymentType;
    }
}

Registration.hbm.xml
--------------------------------
<hibernate-mapping>
    <class 
name="com.demandsolutions.merovingian.conference.entity.Registration" 
table="registration" dynamic-update="true" dynamic-insert="true" >
    // other declarations
  <any name="paymentType" meta-type="class" id-type="long">
    <column name="PAYMENT_TYPE_CLASS"/>
    <column name="PAYMENT_TYPE_ID"/>
  </any>
</hibernate-mapping>



Any and all help is appreciated!  Thanks in advance!



Cheers,
  matthew






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