[Hibernate-JIRA] Created: (HHH-3032) On Sybase, a subquery is incorrectly generated, causing ''Incorrect syntax near the keyword 'as'.
by Fernando Galdino (JIRA)
On Sybase, a subquery is incorrectly generated, causing ''Incorrect syntax near the keyword 'as'.
-------------------------------------------------------------------------------------------------
Key: HHH-3032
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3032
Project: Hibernate3
Issue Type: Bug
Affects Versions: 3.2.5
Environment: Hibernate 3.2.5, JDK 1.6, IDE Eclipse 3.3, running on Windows XP
Reporter: Fernando Galdino
I am using Spring 2.5 and Hibernate. I created a method to find a list of ProductPositionData based on an existence of its details represented by class DetalhePosicaoProdutoData. So, there is a relationship 1:n between tables ProductPosition and DetalhePosicaoProduto.
public List<ProductPositionData> findAllBy(Date date, String viewCode, String status)
{
DetachedCriteria subquery = DetachedCriteria.forClass(DetalhePosicaoProdutoData.class);
subquery.add(Expression.eq("indSituaRegis", status));
subquery.add(Expression.eq("compositeId.datPosic", date));
subquery.setProjection(Projections.distinct(Property.forName("tipDolar")));
DetachedCriteria criteria = DetachedCriteria.forClass(ProductPositionData.class);
criteria.add(Expression.eq("indSituaRegis", status));
criteria.add(Subqueries.exists(subquery));
List<ProductPositionData> list = this.hibernateTemplate.findByCriteria(criteria);
return list;
}
It should generate a query on the format SELECT blablabla FROM xyz WHERE exists (SELECT 1 FROM wyz). In really, running this method, I got a similar query.
select [ommitted field names]
from dtb_trd_resultado.resu.tbl_posicao_produto_trd this_
where this_.ind_situa_regis=? and exists (select distinct this0__.tip_dolar as y0_
from dtb_trd_resultado.resu.tbl_det_posicao_produto_trd this0__ where this0__.ind_situa_regis=? and this0__.dat_posic=?)
It causes the following error running under Sybase:
Incorrect syntax near the keyword 'as'.
; nested exception is com.sybase.jdbc2.jdbc.SybSQLException: Incorrect syntax near the keyword 'as'.
It happens because on the subquery is generated this0__.tip_dolar as y0_ but "as y0_" is not valid in Sybase because using alias is not allowed for Sybase subqueries.
I saw similar problems at:
http://forum.hibernate.org/viewtopic.php?t=949233
http://opensource.atlassian.com/projects/hibernate/browse/HHH-2905
-----------------------------------
Stacktrace:
org.springframework.jdbc.UncategorizedSQLException: Hibernate operation: could not execute query; uncategorized SQLException for SQL [select this_.tip_orige_opera as tip1_4_0_, this_.num_opera as num2_4_0_, this_.ind_ativo_passi as ind3_4_0_, this_.tip_posic_opera as tip4_4_0_, this_.num_book as num5_4_0_, this_.num_regra_produ as num6_4_0_, this_.tip_objet_opera as tip7_4_0_, this_.tip_opera as tip8_4_0_, this_.num_empre as num9_4_0_, this_.num_clien as num10_4_0_, this_.ind_tradi as ind11_4_0_, this_.dat_inici_opera as dat12_4_0_, this_.dat_termi_opera as dat13_4_0_, this_.dat_termi_opera_me as dat14_4_0_, this_.dat_venci_risco as dat15_4_0_, this_.val_parid_moeda as val16_4_0_, this_.pcl_taxa_opera as pcl17_4_0_, this_.pcl_sobre_index as pcl18_4_0_, this_.val_cotac_indic_abert as val19_4_0_, this_.cod_risco_index as cod20_4_0_, this_.num_confi_calcu_produ as num21_4_0_, this_.cod_indic_econo_indic as cod22_4_0_, this_.tip_indic_econo_indic as tip23_4_0_, this_.nat_indic_econo_indic as nat24_4_0_, this_.tip_merca_indic_indic as tip25_4_0_, this_.cod_indic_econo_taxa as cod26_4_0_, this_.tip_indic_econo_taxa as tip27_4_0_, this_.tip_merca_indic_taxa as tip28_4_0_, this_.nat_indic_econo_taxa as nat29_4_0_, this_.ind_situa_regis as ind30_4_0_, this_.dat_situa_regis as dat31_4_0_, this_.cod_user as cod32_4_0_, this_.num_carte as num33_4_0_, this_.dat_liqui_opera as dat34_4_0_, this_.cod_indic_econo_taxa_fwd as cod35_4_0_, this_.tip_indic_econo_taxa_fwd as tip36_4_0_, this_.tip_merca_indic_taxa_fwd as tip37_4_0_, this_.nat_indic_econo_taxa_fwd as nat38_4_0_, this_.dat_limit_varia_indic as dat39_4_0_, this_.tip_metod_preci as tip40_4_0_, this_.tip_estru_sinte as tip41_4_0_, this_.dat_entra_opera as dat42_4_0_ from dtb_trd_resultado.resu.tbl_posicao_produto_trd this_ where this_.ind_situa_regis=? and exists (select distinct this0__.tip_dolar as y0_ from dtb_trd_resultado.resu.tbl_det_posicao_produto_trd this0__ where this0__.ind_situa_regis=? and this0__.dat_posic=?)]; SQL state [ZZZZZ]; error code [156]; Incorrect syntax near the keyword 'as'.
; nested exception is com.sybase.jdbc2.jdbc.SybSQLException: Incorrect syntax near the keyword 'as'.
at org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.translate(SQLStateSQLExceptionTranslator.java:121)
at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.translate(SQLErrorCodeSQLExceptionTranslator.java:322)
at org.springframework.orm.hibernate3.HibernateAccessor.convertJdbcAccessException(HibernateAccessor.java:424)
at org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:410)
at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:378)
at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:981)
at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:974)
at com.jpmorgan.br.databroker.control.productposition.ProductPositionControlImpl.findAllByx(ProductPositionControlImpl.java:45)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:301)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
at $Proxy5.findAllByx(Unknown Source)
at com.jpmorgan.br.databroker.control.productposition.ProductPositionDataProvider.getData(ProductPositionDataProvider.java:32)
at com.jpmorgan.br.databroker.service.OptPriceProcessTest.runProcess(OptPriceProcessTest.java:109)
at com.jpmorgan.br.databroker.service.OptPriceProcessTest.testProcess(OptPriceProcessTest.java:88)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Caused by: com.sybase.jdbc2.jdbc.SybSQLException: Incorrect syntax near the keyword 'as'.
at com.sybase.jdbc2.tds.Tds.processEed(Tds.java:3178)
at com.sybase.jdbc2.tds.Tds.nextResult(Tds.java:2481)
at com.sybase.jdbc2.jdbc.ResultGetter.nextResult(ResultGetter.java:69)
at com.sybase.jdbc2.jdbc.SybStatement.nextResult(SybStatement.java:220)
at com.sybase.jdbc2.jdbc.SybStatement.nextResult(SybStatement.java:203)
at com.sybase.jdbc2.jdbc.SybStatement.queryLoop(SybStatement.java:1611)
at com.sybase.jdbc2.jdbc.SybStatement.executeQuery(SybStatement.java:1596)
at com.sybase.jdbc2.jdbc.SybPreparedStatement.executeQuery(SybPreparedStatement.java:96)
at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:186)
at org.hibernate.loader.Loader.getResultSet(Loader.java:1787)
at org.hibernate.loader.Loader.doQuery(Loader.java:674)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:236)
at org.hibernate.loader.Loader.doList(Loader.java:2220)
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2104)
at org.hibernate.loader.Loader.list(Loader.java:2099)
at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1569)
at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)
at org.springframework.orm.hibernate3.HibernateTemplate$35.doInHibernate(HibernateTemplate.java:991)
at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:373)
... 35 more
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12 years
[Hibernate-JIRA] Created: (HHH-4907) "id in ..." with EmbeddedId and criteria API fails on ms sql server
by Strong Liu (JIRA)
"id in ..." with EmbeddedId and criteria API fails on ms sql server
-------------------------------------------------------------------
Key: HHH-4907
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4907
Project: Hibernate Core
Issue Type: Bug
Components: core
Affects Versions: 3.5.0-CR-1
Environment: ms sql server
Reporter: Strong Liu
[http://hudson.qa.jboss.com/hudson/view/Hibernate%20Community/job/hibernat... ]
org.hibernate.exception.SQLGrammarException: could not execute query
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
at org.hibernate.loader.Loader.doList(Loader.java:2276)
at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2151)
at org.hibernate.loader.Loader.list(Loader.java:2146)
at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:118)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1706)
at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:347)
at org.hibernate.test.annotations.cid.CompositeIdTest.testQueryInAndComposite(CompositeIdTest.java:306)
Caused by: com.microsoft.sqlserver.jdbc.SQLServerException: Incorrect syntax near ','.
at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDatabaseError(SQLServerException.java:156)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.getNextResult(SQLServerStatement.java:1373)
at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.doExecutePreparedStatement(SQLServerPreparedStatement.java:371)
at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement$PrepStmtExecCmd.doExecute(SQLServerPreparedStatement.java:322)
at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:4003)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:1550)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeCommand(SQLServerStatement.java:160)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeStatement(SQLServerStatement.java:133)
at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.executeQuery(SQLServerPreparedStatement.java:265)
at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208)
at org.hibernate.loader.Loader.getResultSet(Loader.java:1832)
at org.hibernate.loader.Loader.doQuery(Loader.java:719)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:271)
at org.hibernate.loader.Loader.doList(Loader.java:2273)
... 32 more
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12 years
[Hibernate-JIRA] Created: (HHH-6043) PostLoad method invoked before collection initialised
by Setanta Mathews (JIRA)
PostLoad method invoked before collection initialised
-----------------------------------------------------
Key: HHH-6043
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6043
Project: Hibernate Core
Issue Type: Bug
Components: entity-manager
Affects Versions: 3.6.2
Environment: Windows 7 64-bit, hibernate 3.6.2 final, sun java 1.6 64 bit
Reporter: Setanta Mathews
Attachments: bugTestCase.rar
Hi,
I had been monitoring this bug under Jboss's https://issues.jboss.org/browse/JBAS-5474 . However the issue was recently closed.
The description for that bug was
{quote}
I have a bean with a @OneToMany relation mapping like
private List<TherapieeinheitBean> therapieeinheiten;
@OneToMany(
cascade = {CascadeType.REFRESH},
fetch = FetchType.EAGER,
mappedBy="therapiekatalog"
)
with FetchType.EAGER and a simnple @PostLoad like
@PostLoad
public void postLoad() { System.out.println("!!!!!!!!!! postLoad !!!!!!!!!!"); System.out.print("size: " + therapieeinheiten.size()); }
When an entity of this bean is loaded JBoss trows
org.hibernate.LazyInitializationException: illegal access to loading collection
at org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:341)
at org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:86)
at org.hibernate.collection.PersistentBag.iterator(PersistentBag.java:249)
at de.visiodesk.therapiekatalog.TherapiekatalogBean.postLoad(TherapiekatalogBean.java:170)
.
.
.
and prints the messages
WARN [LoadContexts] fail-safe cleanup (collections) : org.hibernate.engine.loading.CollectionLoadContext@2c8ce9<rs=Ingres-ResultSet[18523]>
WARN [CollectionLoadContext] On CollectionLoadContext#cleanup, localLoadingCollectionKeys contained [206] entries
afterwards. The PostLoad method should be called after the data was completely loaded. Is there a workaround for this Problem? I found some other ressources on the net where peole had the same problem, but I saw no resolution, no hint, no workaround.
{quote}
I can confirm that this issue still exists for the Hibernate 3.6.2 release.
The attached bugTestCase.rar contains a modified version of the test that was originally attached to the JBoss bug. I've changed it to work with spring and JPA.
Note that the attached test passes as the test is annotated with @Test(expected=PersistenceException.class)
The stack trace from the exception thrown is
{code}
javax.persistence.PersistenceException: org.hibernate.LazyInitializationException: failed to lazily initialize a collection, no session or session was closed
at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1214)
at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:635)
at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:589)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:240)
at $Proxy18.find(Unknown Source)
at org.hibernate.bugs.lazyinitexception.LazyInitBug.testAccessAssociatedSetInPostLoad(LazyInitBug.java:48)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:82)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:240)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:180)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: org.hibernate.LazyInitializationException: failed to lazily initialize a collection, no session or session was closed
at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:383)
at org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:375)
at org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:122)
at org.hibernate.collection.PersistentSet.size(PersistentSet.java:162)
at org.hibernate.bugs.lazyinitexception.Parent.postLoad(Parent.java:42)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.hibernate.ejb.event.BeanCallback.invoke(BeanCallback.java:37)
at org.hibernate.ejb.event.EntityCallbackHandler.callback(EntityCallbackHandler.java:94)
at org.hibernate.ejb.event.EntityCallbackHandler.postLoad(EntityCallbackHandler.java:87)
at org.hibernate.ejb.event.EJB3PostLoadEventListener.onPostLoad(EJB3PostLoadEventListener.java:47)
at org.hibernate.engine.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:250)
at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:982)
at org.hibernate.loader.Loader.doQuery(Loader.java:857)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:274)
at org.hibernate.loader.Loader.loadEntity(Loader.java:2037)
at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:86)
at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:76)
at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:3293)
at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:496)
at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:477)
at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:227)
at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:285)
at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:152)
at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:1090)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:1005)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:998)
at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:614)
... 36 more
{code}
A copy of the
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12 years
[Hibernate-JIRA] Created: (HHH-2280) Not-Null Constraint-Violation with unidirectional one-to-many mapping
by Robert Herschke (JIRA)
Not-Null Constraint-Violation with unidirectional one-to-many mapping
---------------------------------------------------------------------
Key: HHH-2280
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2280
Project: Hibernate3
Type: Bug
Versions: 3.2.0.cr4
Environment: Hibernate 3.2.0.cr4, Oracle 10XE
Reporter: Robert Herschke
Priority: Blocker
Attachments: one-to-many-test.zip
In some cases it is neccessary to have an unidirectional one-to-many mapping, but not using Join-Tables due to a legacy database system.
So it must be possible, to have a one-to-many mapping just via a foreign-key-mapping. The Child-Object must not know the Parent-Object in this case.
It must also be possible, to pay respect to a NOT-NULL-Constraint at this foreign-key due to restrictions on legacy database systems.
Hibernate doesn't support this, but throw a NOT-NULL-Constraint Violation Exception. The documentation says, "this is unusual" - to which I want to dissent.
See the attached testcase for details, that is adopted from your "one-to-many" testcase found in the 3.2.0 sources.
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12 years
[Hibernate-JIRA] Created: (HHH-4459) Query with Composite Primary Key parameter crashes when query cache is on
by Karol Bienkowski (JIRA)
Query with Composite Primary Key parameter crashes when query cache is on
-------------------------------------------------------------------------
Key: HHH-4459
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4459
Project: Hibernate Core
Issue Type: Bug
Components: caching (L2)
Affects Versions: 3.3.2
Environment: Hibernate Core 3.3.2.GA, MySQL and H2
Reporter: Karol Bienkowski
I have an entity with a composite identifier (primary key) annotated with EmbeddedId:
@Embeddable
public class CompositeKey implements Serializable {
(...)
}
@Entity
public class EntityWithCompositeKey {
@EmbeddedId
public CompositeKey pk;
(...)
}
When executing query ...
FROM EntityWithCompositeKey e WHERE e.pk = :pk
... where ":pk" is bound to an instance of CompositeKey ...
query.setParamter("pk", new CompositeKey(..))
... I get the following exception:
javax.persistence.PersistenceException: org.hibernate.PropertyAccessException: could not get a field value by reflection getter of hhhxxxx.CompositeKey.a
at org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:614)
at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:76)
at hhhxxxx.HHHHxxxxTest.testGetByCompositeId(HHHHxxxxTest.java:46)
(...)
Caused by: org.hibernate.PropertyAccessException: could not get a field value by reflection getter of hhhxxxx.CompositeKey.a
at org.hibernate.property.DirectPropertyAccessor$DirectGetter.get(DirectPropertyAccessor.java:58)
at org.hibernate.tuple.component.AbstractComponentTuplizer.getPropertyValue(AbstractComponentTuplizer.java:87)
at org.hibernate.tuple.component.AbstractComponentTuplizer.getPropertyValues(AbstractComponentTuplizer.java:93)
at org.hibernate.tuple.component.PojoComponentTuplizer.getPropertyValues(PojoComponentTuplizer.java:109)
at org.hibernate.type.ComponentType.getPropertyValues(ComponentType.java:376)
at org.hibernate.type.ComponentType.getHashCode(ComponentType.java:194)
at org.hibernate.engine.TypedValue.hashCode(TypedValue.java:66)
at java.util.HashMap$Entry.hashCode(Unknown Source)
at java.util.AbstractMap.hashCode(Unknown Source)
at org.hibernate.cache.QueryKey.generateHashCode(QueryKey.java:196)
at org.hibernate.cache.QueryKey.<init>(QueryKey.java:173)
at org.hibernate.cache.QueryKey.generateQueryKey(QueryKey.java:128)
at org.hibernate.loader.Loader.listUsingQueryCache(Loader.java:2144)
at org.hibernate.loader.Loader.list(Loader.java:2121)
at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:401)
at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:363)
at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:196)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1149)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:102)
at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:67)
... 21 more
Caused by: java.lang.IllegalArgumentException: Can not set int field hhhxxxx.CompositeKey.a to [Ljava.lang.Object;
at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(Unknown Source)
at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(Unknown Source)
at sun.reflect.UnsafeFieldAccessorImpl.ensureObj(Unknown Source)
at sun.reflect.UnsafeIntegerFieldAccessorImpl.getInt(Unknown Source)
at sun.reflect.UnsafeIntegerFieldAccessorImpl.get(Unknown Source)
at java.lang.reflect.Field.get(Unknown Source)
at org.hibernate.property.DirectPropertyAccessor$DirectGetter.get(DirectPropertyAccessor.java:55)
... 40 more
It used to work on 3.3.1.GA but fails in 3.3.2.GA. Turning off query cache works.
The direct reason for the error is that TypedValue.value is an Object[] but ComponentType.getHashCode() expects TypedValue.value to be of CompositeKey type.
I'll attach the working test case replicating the issue in a moment.
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[Hibernate-JIRA] Created: (HHH-6005) DefaultComponentSafeNamingStrategy breaks @ElementCollection of @Embeddables
by Artem Troitskiy (JIRA)
DefaultComponentSafeNamingStrategy breaks @ElementCollection of @Embeddables
----------------------------------------------------------------------------
Key: HHH-6005
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6005
Project: Hibernate Core
Issue Type: Bug
Components: core
Affects Versions: 3.5.0-Final
Reporter: Artem Troitskiy
Priority: Minor
{{DefaultComponentSafeNamingStrategy}} is incompatible with {{@ElementCollection}} of {{@Embeddable}} objects.
Given the following classes
{code:java}
@Entity
public class Foo {
@ElementCollection
private List<Bar> bars;
...
}
@Embeddable
public class Bar {
private String name;
...
}
{code}
and DefaultComponentSafeNamingStrategy as a naming strategy, Hibernate generates the schema with the following incorrect table:
bq. create table Foo_bars (Foo_id bigint not null, bars_collection&&element_name varchar(255))
{{.collection&&element.}} is an internal placeholder that should be removed before use of property name. Other naming strategies effectively remove it by using the part of property name after the last {{.}}, but {{DefaultComponentSafeNamingStrategy}} doesn't, it just replaces {{.}} with {{_}}.
Here is a workaround:
{code:java}
public class FixedDefaultComponentSafeNamingStrategy extends DefaultComponentSafeNamingStrategy {
@Override
public String propertyToColumnName(String propertyName) {
return super.propertyToColumnName(propertyName.replace(".collection&&element.", "."));
}
}
{code}
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12 years