Hibernate3 错误： could not initialize proxy

Hibernate3 错误： could not initialize proxy - no Session

异常：
org.hibernate.LazyInitializationException: could not initialize proxy - no Session
at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:57)
at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:111)

原因：hibernate3 many-to-one的默认选项是 lazy = "proxy"
解决方法：<many-to-one>  & <set> 中设置 lazy="false"

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