请教webspher中hibernet的错误!

[fbtdjs]

Exception in thread "main" org.hibernate.LazyInitializationException: could not initialize proxy - the owning Session was closed
at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:53)
at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:84)
at org.hibernate.proxy.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:134)
at com.smarteam.bookPratise.kernel.model.bo.Book$$EnhancerByCGLIB$$cd06f92d.getBook_name(<generated>)
at Test1.main(Test1.java:43)

[yingtju]

你的持久化类的hbm映射文件中，定义class的lazy属性值为true
而你又用session.load()加载持久化对象实例
在session.close()后你企图访问该实例的getXxx()才会报这样的错

问题关键在于lazy=true,调用load函数时返回的是持久化类的代理类的实例
且仅初始化了OID属性，如果session未close，调用getXxx,Hibernate会初始化
代理类实例，从数据库加载对象数据
而你在session.close()后企图加载，当然会报错

ps：分给的太少了吧，回答起来没动力阿