Preconditions:
Create a parent entity with OneToMany collection:
@Entity
@Table(name = "person")
public class Person {
public Person(String name) {
this.name = name;
}
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
private Long id;
private String name;
@NotEmpty
@OneToMany(mappedBy = "person", cascade = CascadeType.ALL, orphanRemoval = true)
private List<Cat> cats = new ArrayList<Cat>();
public void setCats(List<Cat> cats) {
this.cats.clear();
this.cats.addAll(cats);
}
}
Reproduction steps:
Create a parent entity with not empty child collection , then and save it. Then change collection to invalid state (make it empty) and try to save again .
Result:
Entity is successfully saved.
Expected result:
Constraint validation exception
Additional info (SSCCE):
Please find single test reproducing this bug in my github repository by link below:
https://github.com/ZdesMisha/hib-bug-example
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