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Re: JPA 2.0 mapping giving me an error in Eclipse/JBoss Tools?
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created by <a href="http://community.jboss.org/people/kwutzke">Karsten Wutzke</a> in <i>JBoss Tools</i> - <a href="http://community.jboss.org/message/602329#602329">View the full discussion</a>
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<div class="jive-rendered-content"><p>Sorry for the delay, I needed to create an SSCCE.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Before I continue: does JPA (Hibernate) allow references to non-primary key columns? Zip.country is such a case: Countries.iso_code is not null and has a unique constraint.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I reduced my original app to those four classes plus an HSQL DB test case using Hibernate 3.6. I get the following exception:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre>Exception in thread "main" javax.persistence.PersistenceException: [PersistenceUnit: geoareas] Unable to configure EntityManagerFactory
    at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:374)
    at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:56)
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:48)
    at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:32)
    at tld.geoareas.Main.main(Main.java:45)
Caused by: org.hibernate.MappingException: property [_tld_geoareas_bbstats_model_Zip__identifierMapper.country] not found on entity [tld.geoareas.bbstats.model.Country]
    at org.hibernate.mapping.PersistentClass.getRecursiveProperty(PersistentClass.java:378)
    at org.hibernate.cfg.annotations.TableBinder.bindFk(TableBinder.java:414)
    at org.hibernate.cfg.ToOneFkSecondPass.doSecondPass(ToOneFkSecondPass.java:115)
    at org.hibernate.cfg.Configuration.processEndOfQueue(Configuration.java:1550)
    at org.hibernate.cfg.Configuration.processFkSecondPassInOrder(Configuration.java:1473)
    at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1389)
    at org.hibernate.cfg.Configuration.buildMappings(Configuration.java:1345)
    at org.hibernate.ejb.Ejb3Configuration.buildMappings(Ejb3Configuration.java:1477)
    at org.hibernate.ejb.EventListenerConfigurator.configure(EventListenerConfigurator.java:193)
    at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:1096)
    at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:278)
    at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:362)
    ... 4 more
Caused by: org.hibernate.MappingException: property [_tld_geoareas_bbstats_model_Zip__identifierMapper.country] not found on entity [tld.geoareas.bbstats.model.Country]
    at org.hibernate.mapping.PersistentClass.getRecursiveProperty(PersistentClass.java:424)
    at org.hibernate.mapping.PersistentClass.getRecursiveProperty(PersistentClass.java:375)
    ... 15 more</pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Is this a Hibernate bug? I'm wondering about the "recursive property" here...</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Karsten</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>PS: the answer over at SO wasn't helpful (yet).</p></div>
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