null value was assigned to a property of primitive type setter of原因解决方法
2017-11-16 11:08
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原理如下：Integer与int的区别:
Integer是对象. 因此可以为null（对象可以为空.）,即property = null;
int 是普通类型, 不可以为null.数据库中的property是空的，可以映射额外integer类型，但是不能映射为int类型，如果误在实体中将property定义成了int类型，就有可能会出这种错误。
解决方法：
把数据库中的数据删除，重新录入。
或者
将实体中对应property修改为integer类型。
Integer是对象. 因此可以为null（对象可以为空.）,即property = null;
int 是普通类型, 不可以为null.数据库中的property是空的，可以映射额外integer类型，但是不能映射为int类型，如果误在实体中将property定义成了int类型，就有可能会出这种错误。
解决方法：
把数据库中的数据删除，重新录入。
或者
将实体中对应property修改为integer类型。
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