[jbosstools-issues] [JBoss JIRA] Commented: (JBIDE-4201) Discriminator of RootClass is not exported.

[Max Rydahl Andersen (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBIDE-4201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12463748#action_12463748 ] 

Max Rydahl Andersen commented on JBIDE-4201:
--------------------------------------------

Note, you can suggest it in hiberante core jira to be aligned but if the DTD requires the element not much to do about it.

> Discriminator of RootClass is not exported.
> -------------------------------------------
>
>                 Key: JBIDE-4201
>                 URL: https://jira.jboss.org/jira/browse/JBIDE-4201
>             Project: Tools (JBoss Tools)
>          Issue Type: Sub-task
>          Components: Hibernate
>    Affects Versions: 3.0.0.GA
>            Reporter: Dmitry Geraskov
>            Assignee: Max Rydahl Andersen
>             Fix For: 3.1.0.M1
>
>         Attachments: patch.txt
>
>
> RootClass.discriminator value used to determine discriminator type and columns when table-pre-type-hierarchy used in mapping, but element discriminator never exported and sessionFactory can't be built for such configuration:
> org.hibernate.MappingException: No discriminator found for com.jboss.dvd.seam.Admin. Discriminator is needed when 'single-table-per-hierarchy' is used and a class has subclasses
> org.hibernate.MappingException: No discriminator found for com.jboss.dvd.seam.Admin. Discriminator is needed when 'single-table-per-hierarchy' is used and a class has subclasses
> at org.hibernate.mapping.SingleTableSubclass.validate(SingleTableSubclass.java:41)
> at org.hibernate.cfg.Configuration.validate(Configuration.java:1102)
> at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1287)
> at org.hibernate.console.ConsoleConfiguration$3.execute(ConsoleConfiguration.java:502)
> at org.hibernate.console.execution.DefaultExecutionContext.execute(DefaultExecutionContext.java:64)
> at org.hibernate.console.ConsoleConfiguration.execute(ConsoleConfiguration.java:95)
> at org.hibernate.console.ConsoleConfiguration.buildSessionFactory(ConsoleConfiguration.java:497)
> ...

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