given
{noformat}@Entity(name = "parent")
@Table(name = "parent")
public static class Parent {
@Id
private Long id;
@OneToMany(mappedBy = "parent", cascade = { MERGE }, orphanRemoval = true, fetch = FetchType.LAZY)
private List<Child> children = new ArrayList<>();
}
@Entity
@Table(name = "child")
public static class Child {
@Id
private Long id;
@ManyToOne(fetch = FetchType.LAZY)
private Parent parent;
}{noformat}
the following
{code:java}inTransaction(
session -> {
Parent parent = new Parent();
parent = session.merge( parent );
Child child = new Child();
child = session.merge( child );
parent.addChild( child );
}
);{code}
causes
{code:java}org.hibernate.HibernateException: A collection with cascade="all-delete-orphan" was no longer referenced by the owning entity instance: Parent.children{code} |
|
