T3rm1 ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiZGJkZjk2NjM0... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16930?atlOrigin=eyJpIjoiZGJkZj... ) HHH-16930 ( https://hibernate.atlassian.net/browse/HHH-16930?atlOrigin=eyJpIjoiZGJkZj... ) Return type of createQuery() not validated any more ( https://hibernate.atlassian.net/browse/HHH-16930?atlOrigin=eyJpIjoiZGJkZj... ) Issue Type: Bug Affects Versions: 6.2.6 Assignee: Unassigned Attachments: bug.zip Created: 12/Jul/2023 06:00 AM Priority: Major Reporter: T3rm1 ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) List<A> aList = entityManager.createQuery(""" select new org.hibernate.bugs.Result(a, b) from A a join B b ON a.bSpecialId = b.specialId """, A.class).getResultList(); The query returns a org.hibernate.bugs.Result but the second parameter of createQuery is A.class , which is wrong. However, Hibernate does not report an error. The same code does throw an IllegalArgumentException with Hibernate 5.6.15. Test case is attached. ( https://hibernate.atlassian.net/browse/HHH-16930#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16930#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#100231- sha1:2d13be9 )