dynamic-map entity mode mappings with relatio...

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[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2299)
dynamic-map entity mode
mappings with relationships rise lazy initialization during performing
query

Anupam M (JIRA)

2008-07-29

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[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_30752 ]

Robert Thurnher commented on HHH-2299:
--------------------------------------

I ran into similar troubles while using a bidirectional one to many association (to model a parent/child relationship) with dynamic-map entity mode.
Fix would be highly appreciated.

> dynamic-map entity mode mappings with relationships rise lazy initialization during performing query
Created: Yesterday 05:51 AM Updated: Yesterday 06:07 AM
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HHH-2299
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2299
> Project: Hibernate3
> Issue Type: Bug
> Components: core
> Affects Versions: 3.2.1
> Reporter: Boleslaw Dawidowicz
> Attachments: hbTestCase.zip, hibernate-issue.tar.gz
>
>
> (copied from http://jira.jboss.com/jira/browse/HIBERNATE-51)
> (attached IntelliJ project with test case that reproduce this issue)
> If I create bidirectional relationship between two dynamic-map entities, commit a transaction and start new session, performing a query to obtain an entity raise LazyInitializationException.
> (full intellij project attached)
> code and mappings:
> public void testSF() throws Exception
> {
> sf.openSession();
> Session es = sf.getCurrentSession();
> Transaction tx = es.beginTransaction();
> Map lolo = new HashMap();
> lolo.put("userName", "lolo");
> es.save("PortalUser", lolo);
> Map dummy = new HashMap();
> dummy.put("name", "dummy");
> es.save("PortalRole", dummy);
> Set roles = new HashSet();
> roles.add(dummy);
> lolo.put("roles",roles);
> Map props = new HashMap();
> props.put("theme", "pp");
> props.put("signature", "alalala");
> lolo.put("dynamic", props);
> es.save("PortalUser", lolo);
> tx.commit();
> sf.openSession();
> es = sf.getCurrentSession();
> tx = es.beginTransaction();
> Query query = es.createQuery("from PortalUser where userName=:userName");
> query.setParameter("userName", "lolo");
>
> //LazyInitializationException on this LINE!!!
> lolo = (Map)query.uniqueResult();
> assertNotNull(lolo.get("roles"));
> assertNotNull(lolo.get("dynamic"));
> tx.commit();
> }
> <hibernate-mapping>
> <class
> entity-name="PortalUser">
> 
> <id
> name="key"
> column="jbp_uid"
> type="java.lang.Long">
> <generator class="native">
> <param name="sequence">user_seq</param>
> </generator>
> </id>
> <property
> name="userName"
> column="jbp_uname"
> type="java.lang.String"
> update="false"
> insert="true"
> unique="true"/>
> <map
> name="dynamic"
> table="jbp_user_prop"
> lazy="false"
> sort="unsorted"
> cascade="all">
> 
> <key column="jbp_uid"/>
> <index
> column="jbp_name"
> type="java.lang.String"/>
> <element
> column="jbp_value"
> type="java.lang.String"
> not-null="false"
> unique="false"/>
> </map>
> 
> <property
> name="password"
> column="jbp_password"
> type="java.lang.String"
> update="true"
> insert="true"
> unique="false"/>
> <set
> name="roles"
> table="jbp_role_membership"
> lazy="false"
> inverse="false"
> cascade="none"
> sort="unsorted">
> 
> <key column="jbp_uid"/>
> <many-to-many
> entity-name="PortalRole"
> column="jbp_rid"
> outer-join="true"/>
> </set>
> </class>
> <class
> entity-name="PortalRole"
> table="jbp_roles">
> 
> <id
> name="key"
> column="jbp_rid"
> type="java.lang.Long">
> <generator class="native">
> <param name="sequence">user_seq</param>
> </generator>
> </id>
> <property
> name="name"
> column="jbp_name"
> type="java.lang.String"
> update="false"
> insert="true"
> unique="true"/>
> <property
> name="displayName"
> column="jbp_displayname"
> type="java.lang.String"
> update="true"
> insert="true"
> unique="true"/>
> <set
> name="users"
> table="jbp_role_membership"
> lazy="true"
> inverse="true"
> cascade="none"
> sort="unsorted">
> 
> <key column="jbp_rid"/>
> <many-to-many
> entity-name="PortalUser"
> column="jbp_uid"
> outer-join="false"/>
> </set>
> </class>
> </hibernate-mapping>
> Stack trace:
> 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.PersistentSet.hashCode (PersistentSet.java:411)
> at java.util.HashMap$Entry.hashCode(HashMap.java:764)
> at java.util.AbstractMap.hashCode (AbstractMap.java:557)
> at java.util.HashMap.put (HashMap.java:418)
> at java.util.HashSet.add (HashSet.java:194)
> at java.util.AbstractCollection.addAll (AbstractCollection.java:318)
> at org.hibernate.collection.PersistentSet.endRead (PersistentSet.java:329)
> at org.hibernate.engine.CollectionLoadContext.endLoadingCollection (CollectionLoadContext.java:183)
> at org.hibernate.engine.CollectionLoadContext.endLoadingCollections (CollectionLoadContext.java:268)
> at org.hibernate.engine.CollectionLoadContext.endLoadingCollections (CollectionLoadContext.java:249)
> at org.hibernate.loader.Loader.endCollectionLoad (Loader.java:866)
> at org.hibernate.loader.Loader.initializeEntitiesAndCollections (Loader.java:853)
> at org.hibernate.loader.Loader.doQuery (Loader.java:717)
> at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections (Loader.java:224)
> at org.hibernate.loader.Loader.loadCollection (Loader.java:1985)
> at org.hibernate.loader.collection.CollectionLoader.initialize (CollectionLoader.java:36)
> at org.hibernate.persister.collection.AbstractCollectionPersister.initialize (AbstractCollectionPersister.java:565)
> at org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection (DefaultInitializeCollectionEventListener.java:60)
> at org.hibernate.impl.SessionImpl.initializeCollection (SessionImpl.java:1716)
> at org.hibernate.collection.AbstractPersistentCollection.initialize (AbstractPersistentCollection.java:344)
> at org.hibernate.collection.AbstractPersistentCollection.read (AbstractPersistentCollection.java:86)
> at org.hibernate.collection.PersistentSet.hashCode (PersistentSet.java:411)
> at java.util.HashMap$Entry.hashCode(HashMap.java:764)
> at java.util.AbstractMap.hashCode (AbstractMap.java:557)
> at java.util.HashMap.put (HashMap.java:418)
> at java.util.HashSet.add (HashSet.java:194)
> at java.util.AbstractCollection.addAll (AbstractCollection.java:318)
> at org.hibernate.collection.PersistentSet.endRead (PersistentSet.java:329)
> at org.hibernate.engine.CollectionLoadContext.endLoadingCollection (CollectionLoadContext.java:183)
> at org.hibernate.engine.CollectionLoadContext.endLoadingCollections (CollectionLoadContext.java:268)
> at org.hibernate.engine.CollectionLoadContext.endLoadingCollections (CollectionLoadContext.java:249)
> at org.hibernate.loader.Loader.endCollectionLoad (Loader.java:866)
> at org.hibernate.loader.Loader.initializeEntitiesAndCollections (Loader.java:853)
> at org.hibernate.loader.Loader.doQuery (Loader.java:717)
> at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections (Loader.java:224)
> at org.hibernate.loader.Loader.loadCollection (Loader.java:1985)
> at org.hibernate.loader.collection.CollectionLoader.initialize (CollectionLoader.java:36)
> at org.hibernate.persister.collection.AbstractCollectionPersister.initialize (AbstractCollectionPersister.java:565)
> at org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection (DefaultInitializeCollectionEventListener.java:60)
> at org.hibernate.impl.SessionImpl.initializeCollection (SessionImpl.java:1716)
> at org.hibernate.collection.AbstractPersistentCollection.forceInitialization (AbstractPersistentCollection.java:454)
> at org.hibernate.engine.StatefulPersistenceContext.initializeNonLazyCollections (StatefulPersistenceContext.java:755)
> at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections (Loader.java:229)
> at org.hibernate.loader.Loader.doList (Loader.java:2211)
> at org.hibernate.loader.Loader.listIgnoreQueryCache (Loader.java:2095)
> at org.hibernate.loader.Loader.list (Loader.java:2090)
> at org.hibernate.loader.hql.QueryLoader.list (QueryLoader.java:388)
> at org.hibernate.hql.ast.QueryTranslatorImpl.list (QueryTranslatorImpl.java:338)
> at org.hibernate.engine.query.HQLQueryPlan.performList (HQLQueryPlan.java:172)
> at org.hibernate.impl.SessionImpl.list (SessionImpl.java:1121)
> at org.hibernate.impl.QueryImpl.list (QueryImpl.java:79)
> at org.hibernate.impl.AbstractQueryImpl.uniqueResult (AbstractQueryImpl.java:804)
> at org.jboss.test.DynamicTest.testSF(DynamicTest.java:83)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25)
> at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:40)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25)
> at com.intellij.rt.execution.application.AppMain.main(AppMain.java:90)
> also note that commenting out this 3 lines makes it work:
> Set roles = new HashSet();
> roles.add(dummy);
> lolo.put("roles",roles);
> So I guess it's about resolving roles relationship during obtaing a user object

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