What type of entity beans? BMP, CMP 1, CMP 2 or even EJB 3.0 entities?
The EJB 3.0 entities...
After some digging through some information, I found that there exists a special annotation for transient fields in entity beans (@Transient).
So even though the interface Serializable is implemented and the keyword transient is used, fields of entity beans will be persisted if thay do not contain the @Transient annotaiton...