Israel Rios ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *updated* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiNjc3N2IwMGU0... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16334?atlOrigin=eyJpIjoiNjc3N2... ) HHH-16334 ( https://hibernate.atlassian.net/browse/HHH-16334?atlOrigin=eyJpIjoiNjc3N2... ) Persist and load an entity with an all-delete-orphan collection null ( https://hibernate.atlassian.net/browse/HHH-16334?atlOrigin=eyJpIjoiNjc3N2... ) Change By: Israel Rios ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) When persisting ant entity *Parent* with a collection *children,* mapped as *all-delete-orphan,* set to null and then loading the same entity in a query results in: org.hibernate.HibernateException: A collection with cascade="all-delete-orphan" was no longer referenced by the owning entity instance: org.hibernate.bugs.domain.Parent.children Sample code: {code:java}@Entity public class Parent { @Id @GeneratedValue private Long id; @OneToMany(mappedBy = "parent", cascade = CascadeType.ALL, orphanRemoval = true) private List<Child> children; } {code} {code:java}@Entity public class Child { @Id @GeneratedValue private Long id; @ManyToOne private Parent parent; } {code} Persisting and querying: {code:java}    var p = new Parent(); entityManager.persist(p); for (var parent : entityManager.createQuery("from Parent", Parent.class).getResultList()) { System.out.println(parent.getChildren()); }{code} Test case attached. ( https://hibernate.atlassian.net/browse/HHH-16334#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16334#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100218- sha1:9826a04 )