Erro de Conexão iReport 3.7.4 com Spring e Hibernate

package aop;


import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;

public class OperacaoAdvice implements MethodInterceptor {

	public Object invoke(MethodInvocation methodInvocation) throws Throwable {

		System.out.println("AOP -> Método chamado: " + methodInvocation.getMethod().getName());
		Object object = null;
		
		try {
			object = methodInvocation.proceed();				
			System.out.println(object);
			
			return object;
			
		}catch (Exception e) {
			// TODO: handle exception
		}
		
		return object;
	}
}

package aop;
import java.lang.reflect.Method;

import org.springframework.aop.AfterReturningAdvice;

public class RecuperacaoListasAdvice implements
AfterReturningAdvice {
	public void afterReturning(Object returnValue, Method metodo,
			Object[] arg2, Object target) throws Throwable {
		
		Object lista = returnValue;
		System.out.println("AOP -> A lista retornou " + lista + " objetos.");
		
	}
}


<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping
	PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
	"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping package="banco">

	<class name="Banco" table="TB_BANCO" lazy="false">
		<id name="id" type="java.lang.Long" column="ID">
			<generator class="native" />
		</id>
		<property name="nome" column="NOME" type="java.lang.String"
			length="50" unique="true" />
	</class>

</hibernate-mapping>

package banco;

import java.io.Serializable;

@SuppressWarnings("serial")
public class Banco implements Serializable {

	private Long id;
	private String nome;

	public Banco() {

	}

	public Long getId() {
		return id;
	}

	public void setId(Long id) {
		this.id = id;
	}

	public String getNome() {
		return nome;
	}

	public void setNome(String nome) {
		this.nome = nome;
	}
	
	public String toString() {
		return id + " - " + nome;
	}
}

package banco;

public interface BancoDao {

	public void salvarBanco(Banco banco);	
}

package banco;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

public class BancoImp extends HibernateDaoSupport implements BancoDao {

	@Override
	public void salvarBanco(Banco banco) {
		getHibernateTemplate().saveOrUpdate(banco);
	}
}



<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
	"http://www.springframework.org/dtd/spring-beans.dtd">
<beans>

	<!-- *************************************************************************************************** 
	Configuração AOP: spring framework
	**************************************************************************************************** -->

	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
		 <property name="driverClassName"> <value>org.hsqldb.jdbcDriver</value> 
			</property> <property name="url"> <value>jdbc:hsqldb:database/tutorial/db_sistema</value> 
			</property> <property name="username"> <value>sa</value> </property> <property 
			name="password"> <value></value> </property>					 
	</bean>

	<bean id="sessionFactory"
		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
		<property name="dataSource">
			<ref bean="dataSource" />
		</property>
		<property name="mappingResources">
			<list>
				<value>banco/Banco.hbm.xml</value>
			</list>
		</property>
		<property name="hibernateProperties">
			<props>
				<prop key="hibernate.max_fetch_depth">2</prop>
				<prop key="hibernate.hbm2ddl.auto">create</prop>
				<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop> 
				<prop key="hibernate.dialect">org.hibernate.dialect.HSQLDialect</prop> 
				<prop key="hibernate.show_sql">true</prop>
				<prop key="hibernate.current_session_context_class">thread</prop>
				<prop key="hibernate.cache.provider_class">org.hibernate.cache.NoCacheProvider</prop>
				<prop key="hibernate.c3p0.minPoolSize">5</prop>
				<prop key="hibernate.c3p0.maxPoolSize">20</prop>
				<prop key="hibernate.c3p0.timeout">600</prop>
				<prop key="hibernate.c3p0.max_statement">50</prop>
				<prop key="hibernate.c3p0.testConnectionOnCheckout">false</prop>
			</props>
		</property>
	</bean>

	<bean id="transactionManager"
		class="org.springframework.orm.hibernate3.HibernateTransactionManager">
		<property name="sessionFactory">
			<ref bean="sessionFactory" />
		</property>
	</bean>
			
	<!-- *************************************************************************************************** 
	Configuração AOP: spring framework
	**************************************************************************************************** -->

	<bean id="operacaoAdvice" class="aop.OperacaoAdvice"></bean>
	<bean id="recuperacaoListasAdvice" class="aop.RecuperacaoListasAdvice"></bean>

	<bean id="operacaoPointcutAdvisor"
		class="org.springframework.aop.support.NameMatchMethodPointcutAdvisor">
		<property name="mappedNames">
			<list>
				<value>save*</value>
				<value>remove*</value>
			</list>
		</property>
		<property name="advice">
			<ref bean="operacaoAdvice" />
		</property>
	</bean>

	<bean id="recuperacaoListasPointcutAdvisor"
		class="org.springframework.aop.support.NameMatchMethodPointcutAdvisor">
		<property name="mappedName">
			<value>pegar*</value>
		</property>
		<property name="advice">
			<ref bean="recuperacaoListasAdvice" />
		</property>
	</bean>	

		
	<!-- *************************************************************************************************** 
	Configuração AOP: banco 
	**************************************************************************************************** -->	

	<bean id="bancoImpFachadaTarget" class="banco.BancoImp">
		<property name="sessionFactory">
			<ref local="sessionFactory" />
		</property>
	</bean>

	<bean id="bancoFachadaService" class="org.springframework.aop.framework.ProxyFactoryBean">
		<property name="target">
			<ref bean="bancoImpFachadaTarget" />
		</property>
	</bean>
	
</beans>


package principal;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import banco.Banco;
import banco.BancoDao;
import banco.BancoImp;

public class Sistema {
	
	private BancoDao bancoDao;
	private Banco banco;
	
	private static ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
			"classpath:principal/applicationContext.xml");
	
	public Sistema() {
		
		banco = new Banco();
		banco.setNome("Bradesco");
		
		bancoDao = (BancoImp) applicationContext
		.getBean("bancoFachadaService");
		bancoDao.salvarBanco(banco);
		
		System.out.println(banco);
	}

	public static void main(String[] args) {
		Sistema sistema = new Sistema();
		
	}
}