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Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property customer invoice


Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property customer invoice

By : Mariston
Date : November 18 2020, 11:13 AM
hope this fix your issue Probably because Orders has a property 'customers' and not 'Customers' (as specified by the 'mappedBy' attribute).
You should tidy up your class names and fields as below:
code :
@Entity
@Table(name="Customers")
public class Customer implements Serializable {

    private static final long serialVersionUID = 1L;

    @Id
    @GenericGenerator(name = "generator", strategy = "increment")
    @GeneratedValue(generator = "generator")
    @Column(name = "CustomerId", nullable = false)
    private Long customerId;

    @OneToMany(cascade=CascadeType.ALL, mappedBy="customer")
    private Set<Order> orders  = new HashSet<Order>();
}

@Entity
@Table(name="Orders")
public class Order implements Serializable {

    private static final long serialVersionUID = 1L;

    @Id
    @GenericGenerator(name = "generator", strategy = "increment")
    @GeneratedValue(generator = "generator")
    @Column(name = "orderId", nullable = false)
    private Long orderId;

    @ManyToOne
    @JoinColumn(name="CustomerId")
    private Customer customer;

    @OneToOne(optional=false, cascade=CascadeType.ALL, mappedBy="order")
    private Invoice invoice;
}

@Entity
@Table(name="Invoices")
public class Invoice implements Serializable {

    private static final long serialVersionUID = 1L;

    @Id
    @GenericGenerator(name = "generator", strategy = "increment")
    @GeneratedValue(generator = "generator")
    @Column(name = "invoiceId", nullable = false)
    private Long invoiceId;

    @OneToOne(optional=false,cascade=CascadeType.ALL)
    @JoinColumn(name = "InvoiceId")
    private Order order;
}


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Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property

Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property


By : Ryan Shaw
Date : March 29 2020, 07:55 AM
it fixes the issue You need to set the mappedBy attribute of the @OneToMany annotation to psyQuestions instead of question. The value of mappedBy attributes is the name of the class field on the other side of the relationship, in this case psyQuestions of the ManyToOne side of class PsyOptions.
code :
public class PsyQuestions {
....
@OneToMany(fetch = FetchType.LAZY,mappedBy="psyQuestions")
private List<PsyOptions> productlist=new ArrayList<PsyOptions>();
....
Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property:

Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property:


By : user2029586
Date : March 29 2020, 07:55 AM
may help you . The message is pretty clear. You're saying to JPA: this OneToMany is the inverse side of the ManyToOne, defined in the Delivery entity, by the field deliveries. But there is no field deliveries in Delivery. The corresponding field in Delivery is named purveyor:
code :
@ManyToOne(fetch=FetchType.LAZY)
@JoinColumn(name = "ref_purveyor")
private Purveyor purveyor;
                   ^-- this is the other side of the association
@OneToMany(fetch=FetchType.LAZY,mappedBy = "puveyor")
org.hibernate.AnnotationException: mappedBy reference an unknown target entity property

org.hibernate.AnnotationException: mappedBy reference an unknown target entity property


By : Edson Zunguze Zunguz
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , In mappedBy you must use field name (or part of the getter name without get for property-based access), not column name.
code :
    //...    
    @OneToMany(fetch = FetchType.LAZY, mappedBy = "userDTO")
    public Set<ProjectDTO> getProjectDTOs() {
        return projects;
    }
    //...
Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property: jpa+springboot

Caused by: org.hibernate.AnnotationException: mappedBy reference an unknown target entity property: jpa+springboot


By : user2398068
Date : March 29 2020, 07:55 AM
it should still fix some issue You should refer to the name of the Field in mapped entity on your MappedBy parameter.
Like that
code :
mappedBy = "requisition"
OneToMany - org.hibernate.AnnotationException: mappedBy reference an unknown target entity property

OneToMany - org.hibernate.AnnotationException: mappedBy reference an unknown target entity property


By : Kevin Kozakewich
Date : March 29 2020, 07:55 AM
Hope that helps The problem lies with the fact that you are extending DeceasedDossier and essentially changing (or defining?) the relationship between the descedent class (DeceasedTransferDossier) and Deceased.
We do not know what the ancestor (DeceasedDossier) looks like, but it could be a few things. Either you are not annotating this class and so you are running into issues when the persistence provider tries to "figure out" what deceased means to DeceasedTransferDossier. Or, you are annotating it incorrectly. I guess there could also be another issue, but again we would need to see DeceasedDossier.
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