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[eclipselink-users] Unknown entity bean class: please verify that this class has been marked with the @Entity

Hello,

I am doing the following in my standalone client code:

public class FingerprintImageClient {
    public static void main(String[] args) {
        final Context context;
        try {
            context = getInitialContext();
...
            long bid = 0;
            try {
                while (true) {
                    IdtIsrs idtisrs = fingerprintImage.getIdtsrsByEid(23857);
                    bid = idtisrs.getBid().longValue();
                    idtisrs.setBid(bid + 1);
...

I have also developed a stateless session bean and deployed to Oracle AS. 

Here is the session bean code:

@Stateless(name="FingerprintImage")
@TransactionAttribute(TransactionAttributeType.REQUIRED)
public class FingerprintImageBean implements FingerprintImage,
                                             FingerprintImageLocal {
                                            
    private EntityManagerFactory emf = Persistence.createEntityManagerFactory("IDT_ISRS");                                           
 
    private EntityManager em = emf.createEntityManager();
..

    public IdtIsrs getIdtsrsByEid(long eid) {
        return em.find(IdtIsrs.class, eid);       
    }
...

When I run the client code, I am getting

javax.ejb.EJBException: java.lang.IllegalArgumentException: Unknown entity bean class: class gov.dhs.visit.ident.dal.jpa.entity.IdtIsrs, please verify that this class has been marked with the @Entity annotation.; nested exception is:
    java.lang.IllegalArgumentException: Unknown entity bean class: class gov.dhs.visit.ident.dal.jpa.entity.IdtIsrs, please verify that this class has been marked with the @Entity annotation.; nested exception is: oracle.oc4j.rmi.OracleRemoteException: java.lang.IllegalArgumentException: Unknown entity bean class: class gov.dhs.visit.ident.dal.jpa.entity.IdtIsrs, please verify that this class has been marked with the @Entity annotation.; nested exception is:
    java.lang.IllegalArgumentException: Unknown entity bean class: class gov.dhs.visit.ident.dal.jpa.entity.IdtIsrs, please verify that this class has been marked with the @Entity annotation.
oracle.oc4j.rmi.OracleRemoteException: java.lang.IllegalArgumentException: Unknown entity bean class: class gov.dhs.visit.ident.dal.jpa.entity.IdtIsrs, please verify that this class has been marked with the @Entity annotation.
    at com.evermind.server.ejb.EJBUtils.getUserException(EJBUtils.java:346)
    at com.evermind.server.ejb.interceptor.system.AbstractTxInterceptor.convertAndHandleMethodException(AbstractTxInterceptor.java:75)

I have defined @Entity in my entity class as shown below

@Entity
@NamedQuery(name = "IdtIsrs.findAll", query = "select o from IdtIsrs o")
@Table(name = "IDT_ISRS_ALL")
public class IdtIsrs implements Serializable {
    private Long bid;
...

I would appreciate if you have any ideas to correct this.

Thanks,

Mustafa