Spring 3,Jpa Integration

I am trying to integrate Spring 3,Jpa and Gwt using Spring4gwt , but I am getting an exception while spring tries to create a Bean , my xml and the error stack trace below:

Note :I am not using maven

applicationContext.xml:

<context:component-scan base-package="man.artis" />    <task:annotation-driven executor="myExecutor" scheduler="myScheduler"/>    <task:executor id="myExecutor" pool-size="5"/>    <task:scheduler id="myScheduler" pool-size="10"/>    <tx:annotation-driven/>      <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">      <property name="persistenceUnitName" value="amine" />  </bean>    <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">      <property name="entityManagerFactory" ref="entityManagerFactory" />  </bean>

web.xml:

<listener>  <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  </listener>    <servlet>      <servlet-name>springGwtRemoteServiceServlet</servlet-name>      <servlet-class>org.spring4gwt.server.SpringGwtRemoteServiceServlet  </servlet-class>  </servlet>    <servlet-mapping>      <servlet-name>springGwtRemoteServiceServlet</servlet-name>      <url-pattern>/rututto/springGwtServices/*</url-pattern>  

</servlet-mapping><listener>

persistence.xml

<persistence-unit name="amine" transaction-type="RESOURCE_LOCAL" >      <provider>org.hibernate.ejb.HibernatePersistence</provider>      <class>man.artis.shared.dto.CustomerDTO</class>         <properties>            <property name="hibernate.hbm2ddl.auto" value="update"/>          <property name="hibernate.show_sql" value="false"/>          <property name="hibernate.dialect" value="org.hibernate.dialect.SQLServerDialect"/>          <property name="hibernate.connection.driver_class" value="com.microsoft.sqlserver.jdbc.SQLServerDriver" />          <property name="hibernate.connection.url" value="jdbc:sqlserver://localhost;databaseName=SPRING" />          <property name="hibernate.connection.username" value="artisanat" />          <property name="hibernate.connection.password" value="artisanat" />            <property name="hibernate.c3p0.min_size" value="5"/>          <property name="hibernate.c3p0.max_size" value="20"/>           <property name="hibernate.c3p0.timeout" value="300"/>           <property name="hibernate.c3p0.max_statements" value="50"/>           <property name="hibernate.c3p0.idle_test_period" value="3000"/>            </properties>  </persistence-unit>
DAO:
@Repository("customerDAO")
public class CustomerDAO extends JpaDAO {
@Autowired  EntityManagerFactory EntityManagerFactory;    @PostConstruct  public void init(){          super.setEntityManagerFactory (EntityManagerFactory);  }        public abstract class JpaDAO<K, E> extends JpaDaoSupport {  protected Class<E> entityClass;    @SuppressWarnings("unchecked")  public JpaDAO() {      ParameterizedType genericSuperclass = (ParameterizedType) getClass()              .getGenericSuperclass();      this.entityClass = (Class<E>) genericSuperclass              .getActualTypeArguments()[1];  }    public void persist(E entity)  {      getJpaTemplate().persist(entity);  }
service:
@RemoteServiceRelativePath("springGwtServices/customerService")  public interface CustomerService extends RemoteService
ServiceImpl:
@Service("customerService")      public class CustomerServiceImpl implements CustomerService {    @Autowired  private CustomerDAO CustomerDAO;    @PostConstruct  public void init() throws Exception {  }    @PreDestroy  public void destroy() {  }
Iam getting this error: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is javax.persistence.PersistenceException: No Persistence provider for EntityManager named amine
Note:
I am not using Maven.
Is there any other way/tutorial to integrate Gwt,Spring & JPA/Hibernate?

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