[hibernate-issues] [Hibernate-JIRA] Resolved: (ANN-688) Repeated columns created for single table inheritance
Emmanuel Bernard (JIRA)
noreply at atlassian.com
Mon Jan 7 07:52:55 EST 2008
[ http://opensource.atlassian.com/projects/hibernate/browse/ANN-688?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Emmanuel Bernard resolved ANN-688.
----------------------------------
Resolution: Cannot Reproduce
> Repeated columns created for single table inheritance
> -----------------------------------------------------
>
> Key: ANN-688
> URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-688
> Project: Hibernate Annotations
> Issue Type: Bug
> Affects Versions: 3.3.0.ga
> Environment: Hibernate 3.2.5ga, Postgresql
> Reporter: Nick Heudecker
>
> I have the following classes:
> @Entity
> @Inheritance(strategy= InheritanceType.SINGLE_TABLE)
> @DiscriminatorColumn(name="cltype", discriminatorType= DiscriminatorType.STRING, length=10)
> @DiscriminatorValue("device")
> public abstract class Device extends AbstractPersistent {
> private System system;
> @ManyToOne
> public System getSystem() {
> return system;
> }
> public void setSystem(System system) {
> this.system = system;
> }
> }
> @Entity
> @DiscriminatorValue("snmp")
> public class SnmpDevice extends Device {
> // .... additional properties defined
> }
> When I try to create the SessionFactory, I'm getting the following exception:
> Caused by: org.hibernate.MappingException: Repeated column in mapping for entity: model.SnmpDevice column: system_uuid (should be mapped with insert="false" update="false")
> at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:652)
> at org.hibernate.mapping.PersistentClass.checkPropertyColumnDuplication(PersistentClass.java:674)
> at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:696)
> at org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:450)
> at org.hibernate.mapping.SingleTableSubclass.validate(SingleTableSubclass.java:43)
> at org.hibernate.cfg.Configuration.validate(Configuration.java:1102)
> at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1287)
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