Invalid JPA Error message for Hibernate Joined inheritance ---------------------------------------------------------- Key: JBIDE-13855 URL: https://issues.redhat.com/browse/JBIDE-13855 Project: Tools (JBoss Tools) Issue Type: Bug Components: hibernate Affects Versions: 4.0.0.Final Reporter: Cody Lerum Assignee: Koen Aers Priority: Major Discriminator column "DTYPE" cannot be resolved on table "Order_" In this case {code} @Entity @Inheritance(strategy = InheritanceType.JOINED) @Table(name = "Order_") public abstract class Order implements Serializable {code} Hibernate does not require the use of a Discriminator column