[求助前辈高人]使用Filter实现线程生命周期内hibernate Session的管理

	public void doFilter(ServletRequest request, ServletResponse response,FilterChain chain) throws IOException, ServletException {
	try {
        
            HibernateSessionFactory.getCurrentSession().beginTransaction();
          
            chain.doFilter(request, response);
        
            HibernateSessionFactory.getCurrentSession().getTransaction().commit(); 
            
        } catch (Throwable ex) {
        	HibernateSessionFactory.getCurrentSession().getTransaction().rollback();
        }finally{
        	HibernateSessionFactory.closeSession();
        }
}

	<filter>
		<filter-name>Hibernate Session Request Filter</filter-name>
		<filter-class>com.llw.filter.HibernateSessionRequestFilter</filter-class>
	</filter>	
	<filter-mapping>
		<filter-name>Hibernate Session Request Filter</filter-name>
		<servlet-name> action </servlet-name>	
	</filter-mapping>