| Currently, it's not possible to load a collection from a stateless session unless it is join-fetched in a query. An attempt to initialize a collection without being join-fetched results in:
org.hibernate.SessionException: collections cannot be fetched by a stateless session
at org.hibernate.internal.StatelessSessionImpl.initializeCollection(StatelessSessionImpl.java:260)
at org.hibernate.collection.internal.AbstractPersistentCollection$4.doWork(AbstractPersistentCollection.java:585)
at org.hibernate.collection.internal.AbstractPersistentCollection.withTemporarySessionIfNeeded(AbstractPersistentCollection.java:263)
at org.hibernate.collection.internal.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:581)
at org.hibernate.collection.internal.AbstractPersistentCollection.forceInitialization(AbstractPersistentCollection.java:773)
at org.hibernate.engine.internal.StatefulPersistenceContext.initializeNonLazyCollections(StatefulPersistenceContext.java:953)
at org.hibernate.loader.Loader.loadSingleRow(Loader.java:404)
at org.hibernate.internal.ScrollableResultsImpl.prepareCurrentRow(ScrollableResultsImpl.java:192)
at org.hibernate.internal.ScrollableResultsImpl.next(ScrollableResultsImpl.java:100)
at org.hibernate.test.stateless.scroll.StatelessNonFetchingScrollTest.lambda$testScrollInStatelessSession$1(StatelessNonFetchingScrollTest.java:68)
at org.hibernate.testing.transaction.TransactionUtil2.inStatelessTransaction(TransactionUtil2.java:211)
at org.hibernate.testing.transaction.TransactionUtil2.lambda$inStatelessTransaction$2(TransactionUtil2.java:199)
at org.hibernate.testing.transaction.TransactionUtil2.inStatelessSession(TransactionUtil2.java:185)
at org.hibernate.testing.transaction.TransactionUtil2.inStatelessTransaction(TransactionUtil2.java:197)
at org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase.inStatelessTransaction(BaseNonConfigCoreFunctionalTestCase.java:577)
at org.hibernate.test.stateless.scroll.StatelessNonFetchingScrollTest.testScrollInStatelessSession(StatelessNonFetchingScrollTest.java:62)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.hibernate.testing.junit4.ExtendedFrameworkMethod.invokeExplosively(ExtendedFrameworkMethod.java:45)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.lang.Thread.run(Thread.java:748)
Documentation incorrectly says: "Collections are ignored by a stateless session". |