[Data] Augmentation connexion transactions

J'utilise ibatis et spring dans une API.
Le pb est que j'ouvre des connexions sans les fermer.
Le pb ne se produit pas à distance sur win32 mais sous Linux en local ?!?

voici ma conf:
applicationContext.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN" "http://www.springframework.org/dtd/spring-beans.dtd">
 
<beans>
 
	<!-- BASE DE DONNEES -->
	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
		destroy-method="close">
		<property name="driverClassName">
			<value>oracle.jdbc.driver.OracleDriver</value>
		</property>
		<!--
			attention : ne pas laisser d'espaces entre les deux balises <value>
			de l’url
		-->
		<property name="url">
			<value>jdbc:oracle:thin:@10.121.200.242:1521:dev</value>
		</property>
		<property name="username">
			<value>****</value>
		</property>
		<property name="password">
			<value>****</value>
		</property>
	</bean>
 
	<!-- SQLMAQCLIENT -->
	<bean id="sqlMapClient" class="org.springframework.orm.ibatis.SqlMapClientFactoryBean">
		<property name="dataSource">
			<ref local="dataSource" />
		</property>
		<property name="configLocation">
			<value>conf/SqlMapConfig.xml</value>
		</property>
	</bean>
 
	<!-- TRANSACTIONS -->
	<bean id="transactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource">
			<ref local="dataSource" />
		</property>
	</bean>
 
	<!-- DAO -->
	<bean id="ka05DAO"
		class="****.business.ibatis.dao.Ka05DAOImpl">
		<property name="sqlMapClient">
			<ref local="sqlMapClient" />
		</property>
	</bean>
	<bean id="ka10DAO"
		class="****.business.ibatis.dao.Ka10DAOImpl">
		<property name="sqlMapClient">
			<ref local="sqlMapClient" />
		</property>
	</bean>
	<bean id="ka20DAO"
		class="****.business.ibatis.dao.Ka20DAOImpl">
		<property name="sqlMapClient">
			<ref local="sqlMapClient" />
		</property>
	</bean>
 
	<!-- SERVICES -->
	<bean id="KA05Manager"
		class="****.api.services.KA05Manager">
		<property name="ka05DAO">
			<ref local="ka05DAO" />
		</property>
	</bean>
	<bean id="KA10Manager"
		class="****.api.services.KA10Manager">
		<property name="ka10DAO">
			<ref local="ka10DAO" />
		</property>
 
	</bean>
 
	<bean id="KA20Manager"
		class="*****.api.services.KA20Manager">
		<property name="ka20DAO">
			<ref local="ka20DAO" />
		</property>
	</bean>
 
	<bean id="KAALLManager"
		class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
		<property name="transactionManager">
			<ref local="transactionManager" />
		</property>
		<property name="target">
			<bean class="****.api.services.KAALLManager">
				<property name="KA20Manager">
					<ref local="KA20Manager" />
				</property>
				<property name="KA10Manager">
					<ref local="KA10Manager" />
				</property>
				<property name="KA05Manager">
					<ref local="KA05Manager" />
				</property>
			</bean>
		</property>
		<property name="transactionAttributes">
			<props>
				<prop key="insertValuesWithTransaction">PROPAGATION_REQUIRED</prop>
			</props>
		</property>
	</bean>
 
</beans>

SqlMapConfig.xml:

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<sqlMapConfig>
 
	<settings enhancementEnabled="true"	useStatementNamespaces="true" />
 
	<sqlMap
		resource="*****/business/ibatis/sql/KA05_SqlMap.xml" />
	<sqlMap
		resource="*****/business/ibatis/sql/KA10_SqlMap.xml" />
	<sqlMap
		resource="*****/business/ibatis/sql/KA20_SqlMap.xml" />
 
 
</sqlMapConfig>

la méthode:

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 public void insertValuesWithTransaction(Ka05 ka05, List<Ka10> listeKa10, List<Ka20> listeKa20) {
 
	if (ka05 != null) {
	    kA05Manager.insert(ka05);
	}
	if (listeKa10 != null && listeKa10.size() > 0) {
	    for (Iterator<Ka10> iterator = listeKa10.iterator(); iterator.hasNext();) {
		Ka10 ka102 = (Ka10) iterator.next();
		kA10Manager.insert(ka102);
	    }
	}
	if (listeKa20 != null && listeKa20.size() > 0) {
	    for (Iterator<Ka20> iterator = listeKa20.iterator(); iterator.hasNext();) {
		Ka20 ka202 = (Ka20) iterator.next();
		kA20Manager.insert(ka202);
	    }
 
	}
 
    }