A collection with cascade=“all-delete-orphan” was no longer referenced by the owning entity instance

Question

In my application, a hibernate operation goes like this. The application updates a parent entity with new values from the request and deletes all the existing (previously insert

Answer 1

It worked for me.

1. Cleared all my child entities.

2. Instead of setting the new child entities to my parent object, I have used addAll method to add the new child entities.

   parent.getChildren().clear();
   parent.getChildren().addAll(newChildrenList);
   
   @OneToMany(mappedBy = "parent", fetch = FetchType.LAZY, 
              cascade = CascadeType.ALL, orphanRemoval = true)  
   
   public Set getChildren() {
       return this.children;
   }