Thomas Herth ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=712020%... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiNWJiNDQzMjY1... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16803?atlOrigin=eyJpIjoiNWJiND... ) HHH-16803 ( https://hibernate.atlassian.net/browse/HHH-16803?atlOrigin=eyJpIjoiNWJiND... ) Setting value of enum type to null using nullLiteral: "Not a managed type" ( https://hibernate.atlassian.net/browse/HHH-16803?atlOrigin=eyJpIjoiNWJiND... ) Issue Type: Bug Affects Versions: 6.2.5 Assignee: Unassigned Created: 15/Jun/2023 03:35 AM Environment: Spring boot 3 application on Windows 10, Java 17, PostgreSQL 13 Priority: Major Reporter: Thomas Herth ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=712020%... ) After migrating an application to Spring Boot 3 setting a column to a null value does not work anymore if the value type of the column is an enum type. The error message is: “Not a managed type” criteriaUpdate.set(Table_.enumColum, cb.nullLiteral(EnumClass.class)): does not work anymore criteriaUpdate.set(Table_.stringColum, cb.nullLiteral(String.class)): does work criteriaUpdate.set(Table_.myClassColum, cb.nullLiteral(MyClass.class)): does work ( https://hibernate.atlassian.net/browse/HHH-16803#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16803#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#100226- sha1:d46780b )