[原]java.lang.IllegalArgumentException: id to load is required for loading

2009-10-24 10:58:57 org.zkoss.zk.ui.impl.UiEngineImpl handleError:1108

严重: >>java.lang.IllegalArgumentException: id to load is required for loading

>>    at org.hibernate.event.LoadEvent.<init>(LoadEvent.java:51)

>>    at org.hibernate.event.LoadEvent.<init>(LoadEvent.java:33)

>>    at org.hibernate.impl.SessionImpl.get(SessionImpl.java:812)

>>    at org.hibernate.impl.SessionImpl.get(SessionImpl.java:808)

>>    at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:182)

>>    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

>>    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

>>    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

>>    at java.lang.reflect.Method.invoke(Method.java:585)

>>    at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:357)

>>…

 

原因:使用JPA时，当使用find(Class<T> clazz, Serializable id);此方法時，若id為空，則會出現以上錯誤。

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    作者：wherejaly 发表于2009/10/24 11:11:00 [原文链接](http://blog.csdn.net/wherejaly/article/details/4722370)
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阅读：4209 评论：1 [查看评论](http://blog.csdn.net/wherejaly/article/details/4722370#comments)
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本文标题:[原]java.lang.IllegalArgumentException: id to load is required for loading

文章作者:Cary

发布时间:2009-10-24, 11:11:00

最后更新:2016-03-07, 11:52:29

原始链接:https://carygao.github.io/2009/10/24/原-java-lang-IllegalArgumentException-id-to-load-is-required-for-loading/

许可协议: "署名-非商用-相同方式共享 4.0" 转载请保留原文链接及作者。

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