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POHibernate Inheritance.TABLE_PER_CLASS strategy
 

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    <p>I am having a very huge problem with hibernate.</p> <p>My inheritance strategy works perfectly under eclipselink as the jpa provider, both under glassfish and jboss application servers, but when i switch to hibernate, everything goes heywire.</p> <p>I have read several posts here but none solves my problem.</p> <p>The following is the stacktrace.</p> <pre><code>Failed to start service at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1767) [jboss-msc-1.0.2.GA.jar:1.0.2.GA] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_21] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_21] at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_21] Caused by: java.lang.ClassCastException: org.hibernate.mapping.UnionSubclass cannot be cast to org.hibernate.mapping.RootClass at org.hibernate.cfg.annotations.PropertyBinder.bind(PropertyBinder.java:210) at org.hibernate.cfg.annotations.PropertyBinder.makePropertyValueAndBind(PropertyBinder.java:201) at org.hibernate.cfg.AnnotationBinder.processElementAnnotations(AnnotationBinder.java:2011) at org.hibernate.cfg.AnnotationBinder.processIdPropertiesIfNotAlready(AnnotationBinder.java:765) at org.hibernate.cfg.AnnotationBinder.bindClass(AnnotationBinder.java:684) at org.hibernate.cfg.Configuration$MetadataSourceQueue.processAnnotatedClassesQueue(Configuration.java:3406) at org.hibernate.cfg.Configuration$MetadataSourceQueue.processMetadata(Configuration.java:3360) at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1334) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1724) at org.hibernate.ejb.EntityManagerFactoryImpl.&lt;init&gt;(EntityManagerFactoryImpl.java:84) at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:904) at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:889) at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:73) at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.createContainerEntityManagerFactory(PersistenceUnitServiceImpl.java:162) at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.start(PersistenceUnitServiceImpl.java:85) at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.2.GA.jar:1.0.2.GA] at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA] ... 3 more </code></pre> <p>I have made sure that no subclass defines another @Id column (In any case, netbeans will always flag for me this error)</p> <p>These is one set of inheritance i have:</p> <pre><code>@Entity @Inheritance(strategy = InheritanceType.TABLE_PER_CLASS) @PartialSecurity public abstract class DataVerification extends SecureEntity implements Serializable { private static final long serialVersionUID = IdGenerator.serialVersionUID(DataVerification.class); @Id private Long verificationId = IdGenerator.generateId(); @Column(length = 50, nullable = false) private String verificationCode; private String verifiedId; private boolean verified; @Temporal(javax.persistence.TemporalType.TIMESTAMP) private Calendar verificationDate; private DataVerificationType dataVerificationType; private VerificationMethod verificationMethod; @OneToOne private Account verifiedBy; @OneToOne private Account approvedBy; /** * * @author marembo */ @Entity @Inheritance(strategy = InheritanceType.TABLE_PER_CLASS) public class OnlineDataVerification extends DataVerification implements Serializable { @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER) @Ignore private List&lt;UploadFile&gt; verificationFiles; /** * * @author marembo */ @Entity public class IncomeDataVerification extends OnlineDataVerification implements Serializable { private static final long serialVersionUID = IdGenerator.serialVersionUID(IncomeDataVerification.class); private IncomeSource incomeSource; private String occupation; /** * * @author marembo */ @Entity public class AgentDataVerification extends OnlineDataVerification implements Serializable { @Column(length = 2048, nullable = false) private String comment; private String verificationTransaction = IdGenerator.generateStringId(); </code></pre> <p>Thanks</p>
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    1. This table or related slice is empty.
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    1. USmaress
    1. USmaress
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      1. POHibernate Inheritance.TABLE_PER_CLASS strategy
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    1. COCould you send the base class and subclasses?
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      1. USEduardo Sanchez-Ros
    2. COI have several inheritance as i am working with a very huge project, but i am posting a few of them
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      1. USmaress
    3. COThis exception is usually caused by a duplicate @Id but you said you made sure there wasn't any.
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      1. USEduardo Sanchez-Ros
 

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