exception of type was thrown提示和网络有关系吗

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参考技术A 有关系
1.把你的IP的DNS重新写下,不懂就直觉自动获取。
2.优化大师优化下电脑,把多余的启动项删除,用金山急救箱扫描下电脑,清理插件和木马。
3.把你的路由或MODEN重新启动下。
4.重新插下网线。
5.重装系统。

Null value was assigned to a property of primitive type setter of。

前段时间,写了个方法,测试的时候报错了。Null value was assigned to a property of primitive type setter of。百度了一下,发现是hibernate的问题。sqlserver数据库中,字段类型为float,类中用float类型,那么,hibernate不允许数据库中的这个字段值为null。

解决方法:类中字段类型改为 Float 类型--float的封装类。 

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