Andrea Boriero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *updated* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiNGI1MDczMGIy... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16479?atlOrigin=eyJpIjoiNGI1MD... ) HHH-16479 ( https://hibernate.atlassian.net/browse/HHH-16479?atlOrigin=eyJpIjoiNGI1MD... ) Generic enum in @MappedSuperclass fails with java.lang.IllegalArgumentException: Named type [...] did not implement BasicType nor UserType ( https://hibernate.atlassian.net/browse/HHH-16479?atlOrigin=eyJpIjoiNGI1MD... ) Change By: Andrea Boriero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) given {code:java}public interface EnumBase { String name(); } public enum TestEnum implements EnumBase { FOO, BAR } @MappedSuperclass public static abstract class GenericBaseEntity<T extends EnumBase> { @Enumerated(EnumType.STRING) protected T state; public T getState() { return state; } public void setState(T state) { this.state = state; } } @Entity public static class TestEntity extends GenericBaseEntity<TestEnum> { @Id private long id; protected TestEntity() { } public TestEntity(long id) { this.id = id; } } {code} Hibernate throws {noformat}java.lang.IllegalArgumentException: Named type [interface org.hibernate.orm.test.annotations.enumerated.EnumeratedAndGenericsTest$EnumBase] did not implement BasicType nor UserType{noformat} see also [https://github.com/quarkusio/quarkus/issues/32664|https://github.com/quar...] ( https://hibernate.atlassian.net/browse/HHH-16479#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16479#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#100221- sha1:d40a829 )