amit mahajan ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiOGZjNTkyZGI4... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16381?atlOrigin=eyJpIjoiOGZjNT... ) HHH-16381 ( https://hibernate.atlassian.net/browse/HHH-16381?atlOrigin=eyJpIjoiOGZjNT... ) Hibernate inheritance using mapped superclass JPA query issue ( https://hibernate.atlassian.net/browse/HHH-16381?atlOrigin=eyJpIjoiOGZjNT... ) Issue Type: Bug Affects Versions: 6.1.7 Assignee: Unassigned Components: hibernate-core, metamodel, query-hql Created: 27/Mar/2023 06:30 AM Environment: Spring boot 3, JPA Labels: JPA SQM inheritance spring-boot Priority: Major Reporter: amit mahajan ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Original estimate: 64h Remaining Estimate: 64h JPA queries involving MappedSuperclass are failing in latest Hibernate or Spring Boot 3 projects.The same worked fine in Spring boot 2 or Hibernate 5. *Steps to reproduce:* 1. Create Mapped Superclass inheritance using XML in spring boot 3 project. 2. Create Jpa repository for base type. 3. Create JPA Query having Base class attributes GitHub steps: * Checkout repository https://github.com/amitmahajanus/relationbook.git ( https://github.com/amitmahajanus/relationbook.git ) * run below command in the terminal in the project directory * mvn clean package * mvn spring-boot:run * compare the results after changing spring boot version to 2 and adding javax instead of jakarta dependencies. *Root cause:* The SQM fails to find parent class attributes and project fails to load/run. The same works fine with Spring Boot 2 or Hibernate 5 project. *Impact:* * Requiring to implement JpaRepository for each sub type and do lots of boiler plate code (querying sub type tables combining data and filtering) * Spring Boot 3 upgrade or Hibernate 6 upgrade / migration will fail. Attacing a sample project github link ( https://github.com/amitmahajanus/relationbook.git ) https://github.com/amitmahajanus/relationbook.git ( https://github.com/amitmahajanus/relationbook.git ). Please compare spring boot 2 and spring boot 3 (having hibernate 5 and 6 respectively) ( https://hibernate.atlassian.net/browse/HHH-16381#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16381#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#100219- sha1:ac3e918 )