Christian Beikov ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-15336 ( https://hibernate.atlassian.net/browse/HHH-15336?atlOrigin=eyJpIjoiMTA0OT... ) Re: org.hibernate.boot.spi.InFlightMetadataCollector$DuplicateSecondaryTableException in versions after Hibernate versions 5.6.2.Final or later ( https://hibernate.atlassian.net/browse/HHH-15336?atlOrigin=eyJpIjoiMTA0OT... ) This mapping is just nonsense, you don’t need a self join. Use this mapping instead @OneToOne(fetch = FetchType.EAGER) @JoinColumn(name = "followup_q_id" ) private Question followupQuestion; ( https://hibernate.atlassian.net/browse/HHH-15336#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-15336#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#100206- sha1:4ed3dc7 )