Antoni Reus ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-15556 ( https://hibernate.atlassian.net/browse/HHH-15556?atlOrigin=eyJpIjoiYmUyOD... ) Re: Cannot deploy JakartaEE10 application when using Hibernate Version > 6.0.0 ( https://hibernate.atlassian.net/browse/HHH-15556?atlOrigin=eyJpIjoiYmUyOD... ) Adding: <property name="hibernate.type.xml_format_mapper" value="jaxb"/> <property name="hibernate.type.json_format_mapper" value="jsonb"/> Solved the issue for me. Both settings are required to avoid the loading of the JacksonIntegration class ( https://hibernate.atlassian.net/browse/HHH-15556#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-15556#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#100210- sha1:9b34d7c )