"AnnotationException: No identifier specified for entity" in Hibernate

Solution Verified - Updated -

Issue

When deploying a persistent unit, encountering the following exception

org.hibernate.AnnotationException: No identifier specified for entity: test.MyEntity
    at org.hibernate.cfg.InheritanceState.determineDefaultAccessType(InheritanceState.java:277)
    at org.hibernate.cfg.InheritanceState.getElementsToProcess(InheritanceState.java:224)
    at org.hibernate.cfg.AnnotationBinder.bindClass(AnnotationBinder.java:665)
    at org.hibernate.cfg.Configuration$MetadataSourceQueue.processAnnotatedClassesQueue(Configuration.java:3537)
    at org.hibernate.cfg.Configuration$MetadataSourceQueue.processMetadata(Configuration.java:3491)
    at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1376)
    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1781)
    at org.hibernate.ejb.EntityManagerFactoryImpl.<init>(EntityManagerFactoryImpl.java:96)
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:914)
    ... 9 more

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP)
    • 5
    • 6
  • Hibernate
    • 3
    • 4

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