Jones (
https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%...
) *updated* an issue
Hibernate ORM (
https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiZTJlMGVkOTEw...
) / Bug (
https://hibernate.atlassian.net/browse/HHH-16343?atlOrigin=eyJpIjoiZTJlMG...
) HHH-16343 (
https://hibernate.atlassian.net/browse/HHH-16343?atlOrigin=eyJpIjoiZTJlMG...
) Batch Fetch Size + PreLoadEventListener + Polymorphic Entity with cache enabled could
lead to IllegalStateException: Illegal pop() with non-matching
JdbcValuesSourceProcessingState (
https://hibernate.atlassian.net/browse/HHH-16343?atlOrigin=eyJpIjoiZTJlMG...
)
Change By: Jones (
https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%...
)
Given:
* Batch fetch size
* Polymorphic entity with cache and relationships described below
* PreLoadEventListener which uses Hibernate.getClass(event.getEntity())
When
* Executing a simple HQL to list entities
Then
* IllegalStateException: Illegal pop() with non-matching JdbcValuesSourceProcessingState
happens
{code:java}@Entity
@Table(name = "ENTITY_A")
public class EntityA {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "ID")
Integer id;
@JoinColumn(name = "ENTITY_B", foreignKey = @ForeignKey(name =
"FK_A_TO_B"))
@ManyToOne
@Fetch(FetchMode.SELECT)
EntityB entityB;
}{code}
{code:java}@Entity
@Table(name = "ENTITY_B")
@DiscriminatorColumn(name = "DISC_COL", discriminatorType =
DiscriminatorType.INTEGER)
@DiscriminatorValue("0")
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
public class ParentEntityB {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "ID")
Integer id;
}{code}
{code:java}@Entity
@DiscriminatorValue("1")
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE)
public class EntityB extends ParentEntityB {
@JoinColumn(name = "ENTITY_C", foreignKey = @ForeignKey(name =
"FK_B_TO_C"))
@ManyToOne
@Fetch(FetchMode.SELECT)
EntityC entityC;
}{code}
{code:java}@Entity
@Table(name = "ENTITY_C")
public class EntityC {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(name = "ID")
Integer id;
}{code}
{code:java}public class MyPreLoadEventListener implements PreLoadEventListener {
@Override
public void onPreLoad(PreLoadEvent event) {
Hibernate.getClass(event.getEntity());
}
}{code}
{code:java}public class MyIntegrator implements Integrator {
@Override
public void integrate(Metadata metadata, BootstrapContext bootstrapContext,
SessionFactoryImplementor sessionFactory) {
ServiceRegistry serviceRegistry = sessionFactory.getServiceRegistry();
EventListenerRegistry listenerRegistry =
serviceRegistry.getService(EventListenerRegistry.class);
listenerRegistry.getEventListenerGroup(EventType.PRE_LOAD).appendListener(new
MyPreLoadEventListener());
}
@Override
public void disintegrate(SessionFactoryImplementor sessionFactory,
SessionFactoryServiceRegistry serviceRegistry) {
// empty
}
}{code}
{code:java} @Test
public void hhhXXXXTest() throws Exception {
try (Session s = openSession()) {
Transaction tx = s.beginTransaction();
EntityA entityA1 = new EntityA();
EntityB entityB1 = new EntityB();
EntityC entityC1 = new EntityC();
entityB1.entityC = entityC1;
entityA1.entityB = entityB1;
s.persist(entityC1);
s.persist(entityB1);
s.persist(entityA1);
tx.commit();
}
try (Session s = openSession()) {
Transaction tx = s.beginTransaction();
String hql = "select e from org.hibernate.bugs.EntityA e";
Query<EntityA> query = s.createQuery(hql, EntityA.class);
List<EntityA> actual = query.list();
assertThat(actual).hasSize(1);
tx.rollback();
}
}{code}
{noformat}java.lang.IllegalStateException: Illegal pop() with non-matching
JdbcValuesSourceProcessingState
at org.hibernate.sql.results.spi.LoadContexts.deregister(LoadContexts.java:46)
at
org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:209)
at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
at
org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:362)
at
org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:168)
at
org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.list(JdbcSelectExecutorStandardImpl.java:93)
at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:31)
at
org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$0(ConcreteSqmSelectQueryPlan.java:109)
at
org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:302)
at
org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:243)
at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:521)
at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:367)
at org.hibernate.query.sqm.internal.QuerySqmImpl.list(QuerySqmImpl.java:1084)
at org.hibernate.bugs.ORMUnitTestCase.hhhXXXXTest(ORMUnitTestCase.java:83)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at
org.hibernate.testing.junit4.ExtendedFrameworkMethod.invokeExplosively(ExtendedFrameworkMethod.java:45)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
at
org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.lang.Thread.run(Thread.java:833)
{noformat}
The failing test scenario to be attached soon and also available at
[
https://github.com/ratoaq2/HHH-16343|https://github.com/ratoaq2/HHH-16343...]
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