[jbosstools-issues] [JBoss JIRA] Created: (JBIDE-6050) Discriminator is needed when 'single-table-per-hierarchy' is used and a class has subclasses

[Dmitry Geraskov (JIRA)]

Discriminator is needed when 'single-table-per-hierarchy' is used and a class has subclasses
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                 Key: JBIDE-6050
                 URL: https://jira.jboss.org/jira/browse/JBIDE-6050
             Project: Tools (JBoss Tools)
          Issue Type: Bug
          Components: Hibernate
    Affects Versions: 3.1.0.CR2
            Reporter: Dmitry Geraskov
            Assignee: Dmitry Geraskov
             Fix For: 3.1.1


1. Create parent class
2. Create it's subclass
3. run new hibernate mapping wizard
4. create console configuration based on the generated files
5. open session factory:
Observe the exception below

org.hibernate.MappingException: No discriminator found for com.pnx.model.hibernate.Person. Discriminator is needed when 'single-table-per-hierarchy' is used and a class has subclasses
	at org.hibernate.mapping.SingleTableSubclass.validate(SingleTableSubclass.java:64)
	at org.hibernate.cfg.Configuration.validate(Configuration.java:1149)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1334)
	at org.hibernate.console.ConsoleConfiguration$4.execute(ConsoleConfiguration.java:554)
	at org.hibernate.console.execution.DefaultExecutionContext.execute(DefaultExecutionContext.java:63)
	at org.hibernate.console.ConsoleConfiguration.execute(ConsoleConfiguration.java:98)
	at org.hibernate.console.ConsoleConfiguration.buildSessionFactory(ConsoleConfiguration.java:549)
	at org.hibernate.eclipse.console.workbench.LazySessionFactoryAdapter.getChildren(LazySessionFactoryAdapter.java:43)
	at org.hibernate.eclipse.console.workbench.BasicWorkbenchAdapter.getChildren(BasicWorkbenchAdapter.java:100)
	at org.hibernate.eclipse.console.workbench.BasicWorkbenchAdapter.fetchDeferredChildren(BasicWorkbenchAdapter.java:106)
	at org.eclipse.ui.progress.DeferredTreeContentManager$1.run(DeferredTreeContentManager.java:234)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)

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