Exception: Illegal attempt to associate a collection with two open sessions

Version imprimable

Bonjour,

J'ai un objet "Dossier" qui est lié - entre autre - à deux autres objets en relation one-to-many

Code:

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<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
	"-//Hibernate/Hibernate Mapping DTD//EN"
	"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" >
 
<hibernate-mapping package="com.xxx.beans">
	<class name="Dossier" table="DOSSIERS">
 
		<id name="code" type="int" column="ID_DOSSIER">
		</id>
 
		<property name="Description" column="DESCRIPTION" type="string"
			not-null="true" />
		<property name="DateActivation" column="DATE_ACT" type="date"
			not-null="true" length="7" />
		<property name="DateDesactivation" column="DATE_DES" type="date"
			not-null="false" length="7" />
		<property name="Type" column="TYPE" type="string"
			not-null="true" length="3" />
		<property name="Proprietaire" column="ACTEUR" type="string"
			not-null="true" length="50" />
		<many-to-one name="EtatDossier" column="FK_ID_ETAT_DOSSIER"
			class="EtatDossier" not-null="true" lazy="false">
		</many-to-one>
 
 
		<set name="ListeDemandeModifValeur" table="DEMANDE_MODIF_VALEUR"
			inverse="true" lazy="false">
			<key column="FK_DOSSIER" />
			<one-to-many class="DemandeModifValeur" />
		</set>
 
		<set name="ListeDemandeModif" table="DEMANDE_MODIF"
			inverse="true" lazy="false">
			<key column="FK_DOSSIER" />
			<one-to-many class="DemandeModification" />
		</set>
 
 
	</class>
</hibernate-mapping>

mais quand j'appelle un update de mon DAO

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	public void updateDossier(Dossier dossier){
		getHibernateTemplate().update(dossier);
 
	}

j'ai l'exception suivante

Code:

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Illegal attempt to associate a collection with two open sessions

Any Help please!

28/02/2007, 15h55
Christophe P.

Comment gères-tu les sessions Hibernate ? Le problème semble venir de là.

J'utlise Spring et Hibernate. Normalement la gestion des sessions est déléguée à Spring!

voici mon fichier de conf spring

Code:

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">
 
	<bean id="selfcareBODataSource"
		class="org.springframework.jndi.JndiObjectFactoryBean">
		<property name="jndiName" value="jdbc/SFCBO_SFCREF" />
	</bean>
 
	<bean id="selfcareBOSessionFactory"
		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
		<property name="dataSource" ref="selfcareBODataSource" />
		<property name="mappingResources" >
			<list>			 
				<value>com/xxx/mapping/Dossiers.hbm.xml</value>
				.....				
 
 
			</list>
		</property>
		<property name="hibernateProperties">
			<props>
				<prop key="hibernate.dialect">org.hibernate.dialect.OracleDialect</prop>
				<prop key="hibernate.show_sql">true</prop>
				<prop key="hibernate.query.factory_class">org.hibernate.hql.classic.ClassicQueryTranslatorFactory</prop>
			</props>
		</property>
	</bean>
	<!-- Les transactions -->
 
 
	<bean id="selfcareBOTransactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
		<property name="sessionFactory">
			<ref bean="selfcareBOSessionFactory"/>
		</property>
	</bean>
 
 
 
	<!-- Define usual DAO Objects -->
 
 
	<bean name="dossierDAO"
		class="com.xxx.dao.DossierDAO">
		<property name="sessionFactory" ref="selfcareBOSessionFactory" />
	</bean>
	.......
 
 
</beans>

28/02/2007, 16h21
Christophe P.

Je n'ai jamais utilisé Spring. Désolé là je ne peux pas t'aider.