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java.lang.ClassCastException: org.dom4j.tree.DefaultElement	at org.hibernate.type.ComponentType.toLoggableString(ComponentType.java:279)	at org.hibernate.pretty.MessageHelper.infoString(MessageHelper.java:68)	at org.hibernate.engine.EntityKey.toString(EntityKey.java:77)	at java.lang.String.valueOf(String.java:2577)	at java.lang.StringBuffer.append(StringBuffer.java:220)	at org.hibernate.util.StringHelper.toString(StringHelper.java:168)	at org.hibernate.loader.Loader.getRow(Loader.java:762)	at org.hibernate.loader.Loader.getRowFromResultSet(Loader.java:295)	at org.hibernate.loader.Loader.doQuery(Loader.java:389)	at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:208)	at org.hibernate.loader.Loader.loadCollection(Loader.java:1367)	at org.hibernate.loader.collection.OneToManyLoader.initialize(OneToManyLoader.java:107)	at org.hibernate.persister.collection.AbstractCollectionPersister.initialize(AbstractCollectionPersister.java:488)	at org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:60)	at org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1356)	at org.hibernate.type.CollectionType.getCollection(CollectionType.java:470)	at org.hibernate.type.CollectionType.resolveKey(CollectionType.java:328)	at org.hibernate.type.CollectionType.resolve(CollectionType.java:322)	at org.hibernate.engine.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:105)	at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:494)	at org.hibernate.loader.Loader.doQuery(Loader.java:413)	at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:208)	at org.hibernate.loader.Loader.loadEntity(Loader.java:1278)	at org.hibernate.loader.entity.EntityLoader.load(EntityLoader.java:141)	at org.hibernate.loader.entity.EntityLoader.load(EntityLoader.java:126)	at org.hibernate.persister.entity.BasicEntityPersister.load(BasicEntityPersister.java:2491)	at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:386)	at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:367)	at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:166)	at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:140)	at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:119)	at org.hibernate.impl.SessionImpl.immediateLoad(SessionImpl.java:593)	at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:59)	at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:80)	at org.hibernate.proxy.Dom4jLazyInitializer.getElement(Dom4jLazyInitializer.java:21)	at org.hibernate.proxy.Dom4jProxy.target(Dom4jProxy.java:561)	at org.hibernate.proxy.Dom4jProxy.getParent(Dom4jProxy.java:177)	at org.dom4j.tree.AbstractElement.addNode(AbstractElement.java:2130)	at org.dom4j.tree.AbstractElement.add(AbstractElement.java:1412)	at undefined.Main.main(Main.java:27)