Erwan Moutymbo ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=640210c... ) *updated* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiMjEwOGI0Njk0... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16673?atlOrigin=eyJpIjoiMjEwOG... ) HHH-16673 ( https://hibernate.atlassian.net/browse/HHH-16673?atlOrigin=eyJpIjoiMjEwOG... ) Fail to get access lazy fetched field ( @ManyToOne ) wich is part of a composite Id (using an @IdClass) when stored in L2 cache ( https://hibernate.atlassian.net/browse/HHH-16673?atlOrigin=eyJpIjoiMjEwOG... ) Change By: Erwan Moutymbo ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=640210c... ) Environment: Hibernate: tried 6.1.7.Final to 6.2.3.Final initially found with Postgresql: 14.5 reproduced with h2 2.1.214 Spring Data JPA: 3.0.6 Spring Boot: 3.0.7 ehcache 3.10.8 JDK: Oracle OpenJDK 64-Bit Server VM Temurin- 17.0. 2 6 OS: Fedora 38 ( https://hibernate.atlassian.net/browse/HHH-16673#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16673#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:d82e018 )