在hibernate envers中存储表名时出错

我必须在审计表中存储表名，为此我使用hibernate envers。我试图在hibernate envers文档中给出的示例应用程序中实现该示例。有关代码，您可以参考此链接 但这段代码不起作用，给了我一个错误

 java.lang.IllegalArgumentException: Can not set int field hibernate.ModifiedEntityTypeEntity.id to java.lang.String

请在这里找到我的代码

@Entity
@RevisionEntity(CustomEntityTrackingRevisionListener.class)
public class CustomTrackingRevisionEntity {
    @Id
    @GeneratedValue
    @RevisionNumber
    private int customId;

    @RevisionTimestamp
    private long customTimestamp;

    @OneToMany(mappedBy="revision", cascade={CascadeType.PERSIST, CascadeType.REMOVE})
    private Set<ModifiedEntityTypeEntity> modifiedEntityNames =
                                                  new HashSet<ModifiedEntityTypeEntity>();

    public void addModifiedEntityType(String entityClassName) {
        modifiedEntityNames.add(new ModifiedEntityTypeEntity(this, entityClassName));
    }
  //getter and setters
 }
==============================================================================
public class CustomEntityTrackingRevisionListener
implements EntityTrackingRevisionListener {

    @Override
    public void entityChanged(Class entityClass, String entityName,
            Serializable entityId, RevisionType revisionType,
            Object revisionEntity)
    {

        String type = entityClass.getName();
        CustomTrackingRevisionEntity customeEntity = (CustomTrackingRevisionEntity)revisionEntity;
        customeEntity.addModifiedEntityType(type);

    }

    @Override
    public void newRevision(Object revisionEntity) {
    }
}
=============================================================
    @Entity
public class ModifiedEntityTypeEntity {
    @Id
    private int id;

    @ManyToOne
    @JoinColumn(name="revision_customId", nullable=false)
    private CustomTrackingRevisionEntity revision;

    private String entityClassName;

    public ModifiedEntityTypeEntity(CustomTrackingRevisionEntity revision , String entityClassName)
    {
       this.revision = revision;
       this.entityClassName = entityClassName;      
    }
    //getter and setters
 }

我曾试图找出解决办法，但一无所获。请帮帮我。提前谢谢