THANK YOU ! BUT I MODIFY APPLICATION LIKE THIS THE NEW EXCEPTION THROW LIKE THIS: public class HibernateBase { private static SessionFactory sf = null; public Session session = null; public void Begin(){ //在这里可以根据配置文件来使用，如果是使用JDBC-》openSession(),如果使用JTA使用getCurrentSession(); if(sf==null) Init(); session = sf.openSession(); } public void Init(){ try{ InitialContext ctx = new InitialContext(); Object obj = ctx.lookup("hibernateJNDI"); System.out.println("hibernateJNDI==============="+obj); if(sf==null) sf = (SessionFactory)obj; }catch(Exception e){ e.printStackTrace(); } } public void Close(){ if(session!=null&&session.isOpen()) session.close(); } } public class ArticleEJB extends HibernateBase implements InfoArticleUtil, ArticleEJBLocal, ArticleEJBRemote { public List getAllArticle() { List list = null; try{ Begin(); list = session.createQuery("from InfoArticle").list(); if(list==null) list = new ArrayList(); session.flush(); }catch(Exception e){ e.printStackTrace(); }finally{ Close(); } return null; } } View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4160885#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...