[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-6874) java.lang.ClassCastException in JavassistLazyInitializer.getProxy

[Vladimir Tsichevski (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-6874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=44499#comment-44499 ] 

Vladimir Tsichevski commented on HHH-6874:
------------------------------------------

Same problem for 4.0.0.CR7

> java.lang.ClassCastException in JavassistLazyInitializer.getProxy
> -----------------------------------------------------------------
>
>                 Key: HHH-6874
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6874
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.6.8
>         Environment: Ubuntu Linux 11.04 x64, JDK 1.6
>            Reporter: Vladimir Tsichevski
>
> The following Exception occurs:
>   Caused by: java.lang.ClassCastException: ClassX_$$_javassist_129 cannot be cast to javassist.util.proxy.ProxyObject
> at the following line
>   ( ( ProxyObject ) proxy ).setHandler( instance );
> where ClassX is a persistent entity with @ManyToOne references of type FetchType.LAZY. The error was not occurred until the FetchType.LAZY modifier was added.
> The full stack trace:
> 	Thread [main] (Suspended (exception ClassCastException))
> 	JavassistLazyInitializer.getProxy(Class, String, Class, Class[], Method, Method, CompositeType, Serializable, SessionImplementor) line: 147
> 	JavassistProxyFactory.getProxy(Serializable, SessionImplementor) line: 71
> 	PojoEntityTuplizer(AbstractEntityTuplizer).createProxy(Serializable, SessionImplementor) line: 631
> 	SingleTableEntityPersister(AbstractEntityPersister).createProxy(Serializable, SessionImplementor) line: 3736
> 	DefaultLoadEventListener.createProxyIfNecessary(LoadEvent, EntityPersister, EntityKey, LoadEventListener$LoadType, PersistenceContext) line: 360
> 	DefaultLoadEventListener.proxyOrLoad(LoadEvent, EntityPersister, EntityKey, LoadEventListener$LoadType) line: 281
> 	DefaultLoadEventListener.onLoad(LoadEvent, LoadEventListener$LoadType) line: 152
> 	SessionImpl.fireLoad(LoadEvent, LoadEventListener$LoadType) line: 1090
> 	SessionImpl.internalLoad(String, Serializable, boolean, boolean) line: 1038
> 	ManyToOneType(EntityType).resolveIdentifier(Serializable, SessionImplementor) line: 630
> 	ManyToOneType(EntityType).resolve(Object, SessionImplementor, Object) line: 438
> 	TwoPhaseLoad.initializeEntity(Object, boolean, SessionImplementor, PreLoadEvent, PostLoadEvent) line: 139
> 	QueryLoader(Loader).initializeEntitiesAndCollections(List, Object, SessionImplementor, boolean) line: 982
> 	QueryLoader(Loader).doQuery(SessionImplementor, QueryParameters, boolean) line: 857
> 	QueryLoader(Loader).doQueryAndInitializeNonLazyCollections(SessionImplementor, QueryParameters, boolean) line: 274
> 	QueryLoader(Loader).doList(SessionImplementor, QueryParameters) line: 2542
> 	QueryLoader(Loader).listIgnoreQueryCache(SessionImplementor, QueryParameters) line: 2276
> 	QueryLoader(Loader).list(SessionImplementor, QueryParameters, Set, Type[]) line: 2271
> 	QueryLoader.list(SessionImplementor, QueryParameters) line: 459
> 	QueryTranslatorImpl.list(SessionImplementor, QueryParameters) line: 365
> 	HQLQueryPlan.performList(QueryParameters, SessionImplementor) line: 196
> 	SessionImpl.list(String, QueryParameters) line: 1268
> 	QueryImpl.list() line: 102
> 	QueryImpl<X>.getResultList() line: 246

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