[hibernate-issues] [JIRA] (HHH-16184) executing query twice when initializing empty collection

Andrea Boriero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiNjhjZTQxNDM0... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16184?atlOrigin=eyJpIjoiNjhjZT... ) HHH-16184 ( https://hibernate.atlassian.net/browse/HHH-16184?atlOrigin=eyJpIjoiNjhjZT... ) executing query twice when initializing empty collection ( https://hibernate.atlassian.net/browse/HHH-16184?atlOrigin=eyJpIjoiNjhjZT... ) Issue Type: Bug Affects Versions: 6.2.0.CR2, 6.1.7 Assignee: Andrea Boriero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Components: hibernate-core Created: 14/Feb/2023 07:31 AM Fix Versions: 6.2.0 Priority: Major Reporter: Andrea Boriero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) given public class Parent { private Integer id; private String name; @OneToMany(fetch = FetchType.EAGER) private List<Child> children = new ArrayList<>(); public void setChildren(List<Child> children) { this.children = children; for ( Iterator<Child> i = children.iterator(); i.hasNext(); ) { if ( i.next() == null ) { i.remove(); } } } then the following query session.createQuery( "select p from Parent p" ).list(); produces 2 queries for to initialize the children collection of the parent instances that have no children. ( https://hibernate.atlassian.net/browse/HHH-16184#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16184#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#100216- sha1:7a51a57 )