nested exception is org.hibernate.PropertyAccessException: Null value was assigned to a property of
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在action请求数据的过程中报出"Null value was assigned to a property of primitive type setter of"错误,搜索之后发现是因为数据库里相应的字段为NULL。
字段为int类型,为基本类型,不能为NULL
解决方法:
第一种:数据库字段不设置为空;
字段也要改为Integer。同理,long为Long.
第三种:在反向工程时使用Java类型,而不是hibernate类型。
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