Problemas com Spring/Hibernate/Atomikos com MySQL

@Component
public class LinhaControl {

    private LinhaDAO linhaDAO;

    @Transactional(readOnly = false)
    public void inserir(Linha linha) {
        linhaDAO.salvar(linha);
    }

    @Transactional(readOnly = false)
    public void excluir(Linha linha) {
        linhaDAO.excluir(linha);
    }

    @Transactional(readOnly = false)
    public void atualizar(Linha linha) {
        linhaDAO.atualizar(linha);
    }

    @Transactional(readOnly = true)
    public List<Linha> consultar(Linha linha) {
        return linhaDAO.consultar(linha);
    }

    public LinhaDAO getLinhaDAO() {
        return linhaDAO;
    }

    @Autowired
    public void setLinhaDAO(LinhaDAO linhaDAO) {
        this.linhaDAO = linhaDAO;
    }

}

...
<!-- Configuração do Open Session in View do Spring com Hibernate -->
  <filter>
    <filter-name>opensessioninview</filter-name>
    <filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
    <init-param>
      <param-name>sessionFactoryBeanName</param-name>
      <param-value>hibernateSessionFactory</param-value>
    </init-param>
    <init-param>
      <param-name>singleSession</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>

  <filter-mapping>
    <filter-name>opensessioninview</filter-name>
    <servlet-name>wicket</servlet-name>
  </filter-mapping>

  <!-- Spring -->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>

  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>WEB-INF/applicationContext.xml</param-value>
  </context-param>
  ...

<?xml version="1.0" encoding="ISO-8859-1"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
			http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
			http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd">

 	<!-- Transações - JTA: ATOMIKOS -->
	<bean id="jtaTransactionManager" class="com.atomikos.icatch.jta.UserTransactionManager" 
		init-method="init" destroy-method="close">
		<property name="startupTransactionService" value="true" />
		<property name="forceShutdown" value="true" />
		<property name="transactionTimeout" value="500" />
	</bean>
	
	<bean id="jtaUserTransaction" class="com.atomikos.icatch.jta.UserTransactionImp" />

	<bean id="transactionManager" class="org.springframework.transaction.jta.JtaTransactionManager">
		<property name="transactionManager" ref="jtaTransactionManager" />
		<property name="userTransaction" ref="jtaUserTransaction" />
	</bean>
	
	<!-- Data source -->
	<bean id="appDS" class="com.atomikos.jdbc.nonxa.NonXADataSourceBean" destroy-method="close">
		<property name="url" value="jdbc:mysql://localhost:3306/bco" />
		<property name="driverClassName" value="com.mysql.jdbc.Driver" />
		<property name="poolSize" value="10" />
		<property name="user" value="root" />
		<property name="password" value="root" />
		<property name="connectionTimeout" value="180" />
	</bean>

	<!-- Lista de classes mapeadas (anotadas) pelo Hibernate -->
  	<bean id="hibernateAnnotatedClasses" class="br.com.bco.hibernate.HibernateSessionFactory" factory-method="getClassesMapeadas" />
	
 	<!-- Hibernate -->
	<bean id="hibernateSessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
		<property name="dataSource" ref="appDS" />
		<property name="annotatedClasses" ref="hibernateAnnotatedClasses" />
		<property name="hibernateProperties">
			<props>
			<!-- Mysql Desenvolvimento -->
				<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</prop>
				<prop key="hibernate.show_sql">true</prop>
				<prop key="hibernate.connection.shutdown">true</prop>
			</props>
		</property>
	</bean>

    <!-- Transação delimitada por anotações -->
	<tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true" />

  	<!-- IoC com anotações -->
	<context:annotation-config />
	
	<!-- Pacotes a serem scaneados -->
	<context:component-scan base-package="br.com.bco.*" />

  	<!-- Wicket -->
	<bean id="wicketApplication" class="br.com.bco.web.app.Application" />
	
</beans>