Rok Marinsek ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=63ee251... ) *created* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiMjE2NWQwMzJi... ) / Bug ( https://hibernate.atlassian.net/browse/HHH-16188?atlOrigin=eyJpIjoiMjE2NW... ) HHH-16188 ( https://hibernate.atlassian.net/browse/HHH-16188?atlOrigin=eyJpIjoiMjE2NW... ) Exception when find by field of generic @EmbeddedId with @MappedSuperclass ( https://hibernate.atlassian.net/browse/HHH-16188?atlOrigin=eyJpIjoiMjE2NW... ) Issue Type: Bug Affects Versions: 6.1.1, 6.2.0.CR1, 6.2.0.CR2, 6.1.2, 6.1.3, 6.1.4, 6.1.5, 6.1.6, 6.1.7 Assignee: Unassigned Created: 16/Feb/2023 05:45 AM Priority: Major Reporter: Rok Marinsek ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=63ee251... ) We have the following abstract base classes: @Embeddable @MappedSuperclass public abstract class DomainEntityId implements Serializable { private final Long domainId; protected DomainEntityId() { Random random = new Random(); this.domainId = random.nextLong(); } ... } @MappedSuperclass public abstract class DomainEntityModel<ID extends DomainEntityId> { @EmbeddedId @NonNull private ID id; protected DomainEntityModel(ID id) { this.id = id; } ... } and the concrete class: @Entity public class Customer extends DomainEntityModel<Customer.CustomerId> { private Integer code; private String name; @Embeddable public static class CustomerId extends DomainEntityId { private int someDomainField; public CustomerId() { super (); this.someDomainField = new Random().nextInt(); } public int getSomeDomainField() { return someDomainField; } } public Customer( Integer code, String name) { this (); this.code = code; this.name = name; } protected Customer() { super ( new CustomerId()); } ... } ( https://hibernate.atlassian.net/browse/HHH-16188#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-16188#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#100216- sha1:a0b8fe5 )