Hi All,

When I'm persisting some entities, everything seems to be going fine, util I get this error:

javax.ejb.EJBException: org.hibernate.type.SerializationException: could not serialize
 at org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:69)
 at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:83)
:
Caused by: org.hibernate.type.SerializationException: could not serialize
 at org.hibernate.util.SerializationHelper.serialize(SerializationHelper.java:152)
 at org.hibernate.util.SerializationHelper.serialize(SerializationHelper.java:172)
:
Caused by: java.io.NotSerializableException: cl.navix.benji.HotelReservationBooking
 at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1081)
 at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1251)

How can I tell what's wrong with this class?

I'm using JBoss 4.0.3 SP1. And the class is quite simple: 6 int fields, 1 varchar and 1 text (in database).

Any help. very welcomed as this is confusing! A very similar class has no problem.

Thank you.

Edo.