@OneToMany with mappedBy in Hibernet?

I facing issue related to @OneToMany with @JoinColumn .I am not able to find the solution.It gives me Exception when i am mapping that orderNo column How I Can mapping my OrderNo Column of LabOrder table to LabOrderTests table Order Column.Anyone can help me how can resolve this issue .

  @Entity
    @Table(name = "laborder")
    public class LabOrder implements Serializable {

        @Id
        @GeneratedValue(strategy = GenerationType.IDENTITY)


        @OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL,  mappedBy = "labOrder",orphanRemoval = true)
        @JoinColumn(name = "orderNo", referencedColumnName = "orderNo")
        private List<LabOrderTests> labOrderTests;

    }



@Entity
@Table(name = "labordertests")
public class LabOrderTests implements Serializable {

    private static final long serialVersionUID = 1L;

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private long ID;

    @ManyToOne(fetch = FetchType.LAZY)
    @JoinColumn(name = "orderNo")
    private LabOrder labOrder;
}

Exception Log:

Caused by: org.hibernate.AotationException: Associations marked as mappedBy must not define database mappings like @JoinTable or @JoinColumn: com.product.domain.LabOrder.labOrderTests
    at org.hibernate.cfg.aotations.CollectionBinder.bind(CollectionBinder.java:526)
    at org.hibernate.cfg.AotationBinder.processElementAotations(AotationBinder.java:1956)
    at org.hibernate.cfg.AotationBinder.processIdPropertiesIfNotAlready(AotationBinder.java:767)
    at org.hibernate.cfg.AotationBinder.bindClass(AotationBinder.java:686)