geoffrey deremetz ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5ea439b... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiMDllMmQzNzI1... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16901?atlOrigin=eyJpIjoiMDllMm... ) HHH-16901 ( https://hibernate.atlassian.net/browse/HHH-16901?atlOrigin=eyJpIjoiMDllMm... ) Hibernate 6 : Embedded field not correctly instantiated ( https://hibernate.atlassian.net/browse/HHH-16901?atlOrigin=eyJpIjoiMDllMm... ) Issue Type: Bug Assignee: Unassigned Attachments: hibernate_bug.zip Created: 05/Jul/2023 11:59 AM Environment: Spring boot 3.1.1 Hibernate 6.2.5.Final Priority: Major Reporter: geoffrey deremetz ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5ea439b... ) Spring boot 3.1.1 - Hibernate 6.2.5.Final Embedded field are not correctly instantiated when I use a composite key to load my entity @Entity @Table(name = "trip") public class Trip { @Id public Long id; @Embedded @AttributeOverrides({ @AttributeOverride(name = "date", column = @Column(name = "date_position1")), }) @AssociationOverride(name = "poi", joinColumns = @JoinColumn(name = "poi1_id_fk")) public Location position1 = new Location(); @Embedded @AttributeOverrides({ @AttributeOverride(name = "date", column = @Column(name = "date_position2")), }) @AssociationOverride(name = "poi", joinColumns = @JoinColumn(name = "poi2_id_fk")) public Location position2 = new Location(); } in certain scenarios (see my code attached), trip.position2 is null when it shouldn't be ( poi2_id_fk is null but not date_position2 ) scenario 1 (working) Trip trip = tripRepository.findById(1L).orElseThrow(); assertThat(trip.position1).isNotNull(); assertThat(trip.position2).isNotNull(); scenario 2 (not working) Optional<Report> reportOptional = repository.findById(1L); assertThat(reportOptional).isPresent(); Report report = reportOptional.get(); assertThat(report.reportTripList.get(0).compositeKey.trip.position1).isNotNull(); assertThat(report.reportTripList.get(0).compositeKey.trip.position2).isNotNull(); // ko ( https://hibernate.atlassian.net/browse/HHH-16901#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16901#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#100229- sha1:634ba05 )