Vojtěch Knyttl ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiM2VmY2M0OWVi... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16272?atlOrigin=eyJpIjoiM2VmY2... ) HHH-16272 ( https://hibernate.atlassian.net/browse/HHH-16272?atlOrigin=eyJpIjoiM2VmY2... ) Hibernate 6 fails to refresh entity with complex @OneToMany relationship ( https://hibernate.atlassian.net/browse/HHH-16272?atlOrigin=eyJpIjoiM2VmY2... ) Issue Type: Bug Affects Versions: 6.1.7 Assignee: Unassigned Components: hibernate-core Created: 08/Mar/2023 12:49 PM Environment: Any, see attached Github repository. Priority: Blocker Reporter: Vojtěch Knyttl ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) We are having issues with complex @OneToMany relationships. See attached repository, which demonstrates the problem: https://github.com/knyttl/Hibernate5vs6Test ( https://github.com/knyttl/Hibernate5vs6Test ) The repo has HIbernate 5 in pom.xml, so when running the test as: ```bash mvn test -Dhibernate.server= {my-server} -Dhibernate.database= {my-database} -Dhibernate.password= {my-password} -Dhibernate.user= {db-user} ``` You will see the test is * *correctly passing* *, logs here: https://gist.github.com/knyttl/ac8010f853bc22b1a0176e856cad0a3e ( https://gist.github.com/knyttl/ac8010f853bc22b1a0176e856cad0a3e ) Now please uncomment Hibernate 6 in `pom.xml` and run the test again. The test will now fail with this log: https://gist.github.com/knyttl/292aeb613fd10b9c9fbf8d7b5d7e2073 ( https://gist.github.com/knyttl/292aeb613fd10b9c9fbf8d7b5d7e2073 ) ( https://hibernate.atlassian.net/browse/HHH-16272#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16272#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#100217- sha1:c17c655 )