Karol Jasłowski ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5cde605... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiMjRkNmZiN2Q2... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16711?atlOrigin=eyJpIjoiMjRkNm... ) HHH-16711 ( https://hibernate.atlassian.net/browse/HHH-16711?atlOrigin=eyJpIjoiMjRkNm... ) Reading entities using @MappedSuperclass does not work with classes in foreign packages ( https://hibernate.atlassian.net/browse/HHH-16711?atlOrigin=eyJpIjoiMjRkNm... ) Issue Type: Bug Assignee: Unassigned Attachments: demo reading mapped super class.zip, image-20230529-082030 (b0561039-ccaf-4932-bcdb-f5a4ec1803dd).png, image-20230529-082030.png Created: 29/May/2023 01:22 AM Priority: Major Reporter: Karol Jasłowski ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5cde605... ) @MappedSuperclass Inherited @Id String id; String name; Inheriting extends Inherited java.lang.NoSuchMethodError is thrown when reading entity extending other class in different package, when both classes (inherited and inheriting) are in same package problem disappears Problems was noticed in Hibernate 6.2.3.Final with Spring Boot 3.0.0, In Hibernate 5 function worked correctly. (I am migrating my application to new Spring Boot 3.0.0) To reproduce problem use attached example application, execute get endpoint ( https://hibernate.atlassian.net/browse/HHH-16711#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16711#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#100225- sha1:85acc52 )