object references an unsaved transient instance - save the transient instance before flushing: cascadeType.UserDetailsCT

[Soumik Dutta]

I am getting the following exception when this program is executing 

===========Exception===============

Exception in thread "main" org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: cascadeType.UserDetailsCT

at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:243)

at org.hibernate.type.EntityType.getIdentifier(EntityType.java:456)

at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:265)

at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:275)

at org.hibernate.type.TypeHelper.findDirty(TypeHelper.java:295)

at org.hibernate.persister.entity.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:3403)

at org.hibernate.event.def.DefaultFlushEntityEventListener.dirtyCheck(DefaultFlushEntityEventListener.java:520)

at org.hibernate.event.def.DefaultFlushEntityEventListener.isUpdateNecessary(DefaultFlushEntityEventListener.java:230)

at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:154)

at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:219)

at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:99)

at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50)

at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1216)

at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:383)

at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:133)

at cascadeType.HibernateTestCT.main(HibernateTestCT.java:44)