Seong Lee ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=712020%... ) *commented* on HHH-16798 ( https://hibernate.atlassian.net/browse/HHH-16798?atlOrigin=eyJpIjoiZjUwZD... ) Re: ClassCastException in Hibernate 6 when "join fetch" is used in a query with entity inheritance ( https://hibernate.atlassian.net/browse/HHH-16798?atlOrigin=eyJpIjoiZjUwZD... ) Hello, i’m also in a similar situation and it is not working on 6.2.6.Final or 6.3.0.CR1. Posted my case in a comment here: https://hibernate.atlassian.net/browse/HHH-16934?focusedCommentId=112562 ( https://hibernate.atlassian.net/browse/HHH-16798#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16798#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#100233- sha1:7fb7fe8 )