Erro ao integrar spring 3 com JPA

blz, estou a 2 dias tomando esse erro, não sei mas por onde ir.

meu applicationContext

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans" 
       xmlns:security="http://www.springframework.org/schema/security"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:tx="http://www.springframework.org/schema/tx" xmlns:p="http://www.springframework.org/schema/p"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="
              http://www.springframework.org/schema/security http://www.springframework.org/schema/security/spring-security-3.0.xsd
			   http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
			   http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
                           http://www.springframework.org/schema/tx  http://www.springframework.org/schema/tx/spring-tx-3.0.xsd  
                           http://www.springframework.org/schema/aop  http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">


   <!-- enabling annotation driven configuration /-->
<context:annotation-config/>
<context:component-scan base-package="br.com.agile2.beinfo.DAO"/>
   <tx:annotation-driven transaction-manager="transactionManager"/>

<bean
       class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor"/>
 
    <bean id="dataSourcePG"
       class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="org.postgresql.Driver" />
	<property name="url" value="jdbc:postgresql://database.beinfo.agile:5432/foodmart" />
	<property name="username" value="root" />
	<property name="password" value="root" />      
       
       </bean>
 
    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
		<property name="entityManagerFactory" ref="entityManagerFactory" />
		<qualifier value="transactionManager" />
     </bean>
 
    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
	<property name="dataSource" ref="dataSourcePG" />
	<property name="persistenceXmlLocation" value="classpath:META-INF/persistence.xml" />
        <property name="persistenceUnitName" value="saikuPU"></property>
	<property name="jpaVendorAdapter">
		<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
			<property name="showSql" value="false" />
			<property name="generateDdl" value="false" />
			<property name="databasePlatform" value="org.hibernate.dialect.PostgreSQLDialect" />
		</bean>
	</property>	
        <bean id="objetoItemDAO" class="br.com.agile2.beinfo.DAO.ObjetoItemDAO"/>
</bean>


    <context:annotation-config />

    <security:global-method-security secured-annotations="enabled">
    </security:global-method-security>
 
  
  <!-- BASIC AUTHENTICATION -->

    <security:http auto-config='true' access-denied-page="/login.jsp">
        <security:intercept-url pattern="/serverdocs/**" access="IS_AUTHENTICATED_ANONYMOUSLY" />
        <security:intercept-url pattern="/rest/saiku/session*" access="IS_AUTHENTICATED_ANONYMOUSLY" />
        <security:intercept-url pattern="/rest/saiku/session/" access="IS_AUTHENTICATED_ANONYMOUSLY" />
        <security:intercept-url pattern="/rest/**" access="IS_AUTHENTICATED_FULLY" />
        <security:intercept-url pattern="/json/**" access="IS_AUTHENTICATED_FULLY" />
        <security:intercept-url pattern="/**" access="IS_AUTHENTICATED_ANONYMOUSLY" />	
        <security:logout logout-url="/logout"/>  
        <security:http-basic/>
  
    </security:http>
    <import resource="applicationContext-spring-security.xml"/>
    <security:authentication-manager alias="authenticationManager">
        <security:authentication-provider user-service-ref='userDetailsService'>
              <security:password-encoder ref="passwordEncoder" />
        </security:authentication-provider>
        
    </security:authentication-manager>
  	

	
</beans>

DAO

package br.com.agile2.beinfo.DAO;

import br.com.agile2.beinfo.model.ObjetoItem;
import java.math.BigDecimal;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import org.springframework.stereotype.Repository;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

@Service
public class ObjetoItemDAO extends GenericDAO<ObjetoItem> {

    public ObjetoItemDAO() {
        super(ObjetoItem.class);
    }

 
    @PersistenceContext(unitName="saikuPU")
    private EntityManager entityManager;
    
    @Transactional
    public List<ObjetoItem> findAllByUsuario(BigDecimal idUsuario){       
        List<ObjetoItem> entityList = entityManager.createNamedQuery("ObjetoItem.findByUsuario", ObjetoItem.class)  
                  .setParameter("idUsuario", idUsuario)  
                  .getResultList();
        this.closeTransaction();
        return entityList;
    }
    
}

Não tá faltando um persistence.xml/hibernate-cfg.xml? (chutando)

Tá não amigo troquei o nome do persistence pra testar ele logo acusou o erro, bom olhando o log encontrei outra coisa, assim que voltar pro trabalho eu retorno