@Transient property leads to org.hibernate.AnnotationException: Property has an unbound type -------------------------------------------------------------------------------------------- Key: ANN-698 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-698 Project: Hibernate Annotations Issue Type: Bug Affects Versions: 3.3.0.ga Environment: hibernate3.jar: 3.2.5.ga hibernate-annotations.jar: 3.3.0.GA hibernate-commons-annotations.jar: 3.0.0.GA hibernate-validator.jar: 3.0.0.GA MySQL Reporter: Sebastian Baltes Attachments: log.txt Transient fields are not ignored in Hibernate. I got an "Property has an unbound type" exception and found no workaround. Entity: import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.Transient; @Entity public class Dummy<K> { @Id private Long id; @Transient transient private K dummyField; public Long getId() { return id; } public void setId(Long id) { this.id = id; } public K getDummyField() { return dummyField; } public void setDummyField(K dummyField) { this.dummyField = dummyField; } } Test Code: EntityManager em = EntityManagerSingleton.get(); EntityTransaction tx = em.getTransaction(); tx.begin(); Dummy a = new Dummy(); em.persist(a); tx.commit(); Exception: java.lang.ExceptionInInitializerError at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at junit.framework.TestSuite.createTest(TestSuite.java:54) at junit.framework.TestSuite.addTestMethod(TestSuite.java:280) at junit.framework.TestSuite.<init>(TestSuite.java:140) at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestLoader.getTest(JUnit3TestLoader.java:102) at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestLoader.loadTests(JUnit3TestLoader.java:59) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:445) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196) Caused by: javax.persistence.PersistenceException: org.hibernate.AnnotationException: Property de.neise.gena.model.file.Dummy.dummyField has an unbound type and no explicit target entity. Resolve this Generic usage issue or set an explicit target attribute (eg @OneToMany(target=) or use an explicit @Type at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:258) at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:120) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:51) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:33) at de.neise.gena.model.testbase.BaseTest.<clinit>(BaseTest.java:19) ... 13 more Caused by: org.hibernate.AnnotationException: Property de.neise.gena.model.file.Dummy.dummyField has an unbound type and no explicit target entity. Resolve this Generic usage issue or set an explicit target attribute (eg @OneToMany(target=) or use an explicit @Type at org.hibernate.cfg.AnnotationBinder.addElementsOfAClass(AnnotationBinder.java:993) at org.hibernate.cfg.AnnotationBinder.getElementsToProcess(AnnotationBinder.java:833) at org.hibernate.cfg.AnnotationBinder.bindClass(AnnotationBinder.java:645) at org.hibernate.cfg.AnnotationConfiguration.processArtifactsOfType(AnnotationConfiguration.java:498) at org.hibernate.cfg.AnnotationConfiguration.secondPassCompile(AnnotationConfiguration.java:277) at org.hibernate.cfg.Configuration.buildMappings(Configuration.java:1115) at org.hibernate.ejb.Ejb3Configuration.buildMappings(Ejb3Configuration.java:1269) at org.hibernate.ejb.EventListenerConfigurator.configure(EventListenerConfigurator.java:150) at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:888) at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:186) at org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:246) ... 17 more -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira