沉睡森林@漂在北京

下面是轉(zhuǎn)自【http://www.aygfsteel.com/i369/articles/240039.html】
一般這個(gè)錯(cuò)誤是事務(wù)引起的,如果確定事務(wù)沒(méi)有問(wèn)題,還是有這個(gè)錯(cuò),可以重寫OpenSessionInViewFilter的2個(gè)方法
在myfaces的wiki里提供了OpenSessionInViewFilter的一個(gè)子類如下：
public class OpenSessionInViewFilter extends org.springframework.orm.hibernate3.support.OpenSessionInViewFilter {

/**
* we do a different flushmode than in the codebase
* here
*/
protected Session getSession(SessionFactory sessionFactory) throws DataAccessResourceFailureException {
Session session = SessionFactoryUtils.getSession(sessionFactory, true);
session.setFlushMode(FlushMode.COMMIT);
return session;
}
/**
* we do an explicit flush here just in case
* we do not have an automated flush
*/
protected void closeSession(Session session, SessionFactory factory) {
session.flush();
super.closeSession(session, factory);
}
}
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