The annotation @Autowired is disallowed for this location解决思路

public class User_Update_Dao_Impl implements User_Update_Dao {    public boolean updateUser(User user){            @Autowired                        SessionFactory sessionfactory ;            User existinguser;                        try{                existinguser=getUserByUsername(user.getUsername());                                existinguser.setUsername(user.getUsername());                existinguser.setPassword(user.getPassword());                existinguser.setGroupname(user.getGroupname());                existinguser.setApplicationname(user.getApplicationname());                existinguser.setLastname(user.getLastname());                existinguser.setFirstname(user.getFirstname());                existinguser.setEmail(user.getEmail());                existinguser.setAddress(user.getAddress());                existinguser.setDescription(user.getDescription());                                                sessionfactory.getCurrentSession().update(existinguser);                sessionfactory.getCurrentSession().flush();                sessionfactory.getCurrentSession().clear();                return true;            }catch(Exception e){                System.out.println("*****Error in update user in Dao: "+e);            }            return false;        }    @Override    public List<User> listUsers() {        // TODO Auto-generated method stub        return null;    }    @Override    public User getUserByUsername(String username) {        // TODO Auto-generated method stub        return null;    }}

<bean id="sessionFactory"        class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">        <property name="dataSource" ref="dataSource" />        <property name="annotatedClasses">            <list>                <value>com.hp.sandbox.aa.model.entity.User</value>                <value>model.entity.Privilege</value>            </list>        </property>        <property name="hibernateProperties">            <props>                <prop key="hibernate.dialect">${hibernate.dialect}</prop>                <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>                <prop key="hibernate.connection.pool_size">${hibernate.connection.pool_size}</prop>                            </props>        </property>    </bean>