davide ficano ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5a673f0... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiNGYzZDY5YTNl... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16191?atlOrigin=eyJpIjoiNGYzZD... ) HHH-16191 ( https://hibernate.atlassian.net/browse/HHH-16191?atlOrigin=eyJpIjoiNGYzZD... ) Since Hibernate ORM 6.x the FetchType.EAGER called from native queries raises error ( https://hibernate.atlassian.net/browse/HHH-16191?atlOrigin=eyJpIjoiNGYzZD... ) Issue Type: Bug Affects Versions: 6.1.7 Assignee: Unassigned Components: hibernate-orm-modules Created: 17/Feb/2023 00:43 AM Environment: Hibernate 6.1.7 openjdk version "17.0.6" 2023-01-17 MacOS Ventura 13.2.1 Any Database Priority: Major Reporter: davide ficano ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=5a673f0... ) Since Hibernate ORM 6.x the FetchType.EAGER raises the following error when called from native queries could not initialize proxy [org.hibernate.domain.Building#0] - no Session Using the same @Entity with hibernate createQuery() , everything works as expected I’ve create a test case available on github ( https://github.com/unipa/Hibernate-Native-Query-EAGER-regression ) After cloning the repo, just run mvn package ( https://hibernate.atlassian.net/browse/HHH-16191#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16191#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#100216- sha1:3fa9804 )