Marko Bekhta ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-16266 ( https://hibernate.atlassian.net/browse/HHH-16266?atlOrigin=eyJpIjoiYjNmZj... ) Re: Error when using @Query with EmbeddedId after upgrading to Spring Boot 3.0.4 ( https://hibernate.atlassian.net/browse/HHH-16266?atlOrigin=eyJpIjoiYjNmZj... ) karthik ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=6331f78... ) thanks for reporting the problem. Could you create and attach a small reproducible, as Cristian suggested in your original post? See here - https://github.com/hibernate/hibernate-test-case-templates/blob/main/orm/... ( https://github.com/hibernate/hibernate-test-case-templates/blob/main/orm/... ) Thanks. ( https://hibernate.atlassian.net/browse/HHH-16266#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16266#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 )