Batch update returned unexpected row count from update :0 actural row count 0, excepted :1
2012-12-10 21:50
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使用Hibernate的Update方法的时候出现这个错误，错误提示很明显，期望返回的结果是1一条，结果是0。并没有更新成功。
因为有时候在jsp中，没有设置数据id的隐藏域（一般数据库的id并不会展示到页面），在struts的Action中接收到页面的数据，这样id默认是0，但是数据库中并没有id为0的这个数据，所以报错。
因为有时候在jsp中，没有设置数据id的隐藏域（一般数据库的id并不会展示到页面），在struts的Action中接收到页面的数据，这样id默认是0，但是数据库中并没有id为0的这个数据，所以报错。
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