Migrated Hibernate to a NEWER version i.e. 3.3.2 to 3.6.0 and below is the class structure :

CertificationPrimaryKey.java :

@Embeddable
public class CertificationPrimaryKey implements Serializable {

private static final long serialVersionUID = -2912693560354598053L;

@Column(name = "certificationID")
private String certificationID;

@Column(name = "certificationVID")
private Integer certificationVID;

public String getCertificationID()

public void setCertificationID(String certificationID)

.......
}

EMIRClearingCategoryEntity.java :

@Entity
@Table(name = "EMIRClearingCategory")
@org.hibernate.annotations.Entity(dynamicUpdate = true, dynamicInsert = true)
public class EMIRClearingCategoryEntity implements Serializable {
/**

• */
  private static final long serialVersionUID = -8756768815099826149L;

@Id
@Column(name = "EMIRClearingCategoryID")
private String emirClearingCategoryID;

@EmbeddedId
@GenericGenerator(name = "generator", strategy = "foreign", parameters = @Parameter(name = "property", value = "certification"))
@GeneratedValue(generator = "generator")
private CertificationPrimaryKey primaryKey = new CertificationPrimaryKey();

@ManyToOne(optional = false)
@JoinColumns(

)
private CertificationEMIR certificationEMIR;

@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "GeneralProductScopeDomainRN")
private RefName generalProductScopeDomainRN;
....
}

stackTrace :

Caused by: org.hibernate.MappingException: Repeated column in mapping for entity: certification.internal.db.entity.EMIRClearingCategoryEntity column: certificationID (should be mapped with insert="false" update="false")
at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:675)
at org.hibernate.mapping.PersistentClass.checkPropertyColumnDuplication(PersistentClass.java:697)
at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:719)
at org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:473)
at org.hibernate.mapping.RootClass.validate(RootClass.java:235)

changed nothing on this. Can someone please suggest.