Joaquim Mascarenhas ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiYTYyYWQ4Mjg3... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16237?atlOrigin=eyJpIjoiYTYyYW... ) HHH-16237 ( https://hibernate.atlassian.net/browse/HHH-16237?atlOrigin=eyJpIjoiYTYyYW... ) versionUpdateGroup is null for Enity extending another Entity when only ElementCollection is updated. ( https://hibernate.atlassian.net/browse/HHH-16237?atlOrigin=eyJpIjoiYTYyYW... ) Issue Type: Bug Affects Versions: 6.2.0.CR2 Assignee: Unassigned Attachments: inheritance.zip Components: hibernate-core Created: 28/Feb/2023 03:35 AM Environment: Hibernate 6.2.0.CR2 Java 19 Priority: Major Reporter: Joaquim Mascarenhas ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) CustomCompany is an entity extending another entity Company. When I try to update only the ElementCollection in Company exception is thrown due to assertion error as versionUpdateGroup is null for Entity CustomCompany. UpdateCoordinatorStandard.doVersionUpdate(){ assert versionUpdateGroup != null; … } Please find attached test case. ( https://hibernate.atlassian.net/browse/HHH-16237#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16237#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#100217- sha1:65be9f2 )