java.lang.IllegalArgumentException: id to load is required for loading - 代码天地

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

其他 2019-07-19 11:01:34 阅读次数: 0

产生原因：

在使用hibernate时，有时会遇到这个异常：java.lang.IllegalArgumentException: id to load is required for loading，这是因为在使用类似findbyId(id)的查询时，传入的id为null

解决办法

方法一：后台解决   在传入id时进行非空校验 当为空时跳过此方法
方法二：前台解决   找到对应的元素验证为什么是空，想办法让其不为空

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转载自www.cnblogs.com/linxixinxiang/p/11211916.html

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