Fehlende Version-Spalte für JPA-Entity-Bean

@Entity
public class Car {
    private Long id;
    private long version;
    private String name;
    private int numberOfWheels;
    private String brand;

    @Id
    @SequenceGenerator(name = "car_sequence_generator",
            sequenceName = "car_sequence",
            allocationSize = 1)
    @GeneratedValue(strategy = GenerationType.SEQUENCE,
            generator = "car_sequence_generator")
    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    @Version
    @Column(nullable = false)
    public long getVersion() {
        return version;
    }

    // <<<<<<<<<<<<<<<<< hier fehlt der Setter

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getNumberOfWheels() {
        return numberOfWheels;
    }

    public void setNumberOfWheels(int numberOfWheels) {
        this.numberOfWheels = numberOfWheels;
    }

    public String getBrand() {
        return brand;
    }

    public void setBrand(String brand) {
        this.brand = brand;
    }
}