Markus Heiden ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=6149cfc... ) *commented* on HHH-16122 ( https://hibernate.atlassian.net/browse/HHH-16122?atlOrigin=eyJpIjoiOWFhMT... ) Re: Named type [class xxx] did not implement BasicType nor UserType ( https://hibernate.atlassian.net/browse/HHH-16122?atlOrigin=eyJpIjoiOWFhMT... ) Hi Alexander, I am just a user too that has been hit by this problem. The Hibernate code is complex and not very self-explanatory. So I hope someone from the Hibernate team will help to fix this. If I find some more time, I will try to debug it further to provide a solution. ( https://hibernate.atlassian.net/browse/HHH-16122#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16122#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#100214- sha1:6115380 )