Optional int parameter 'xx' is present but cannot be translated into a null value

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今天在controller中获取post参数时，报了如下错误

{ "timestamp": "2018-09-07T07:25:51.524+0000", "status": 500, "error": "Internal Server Error", "message": "Optional int parameter 'id' is present but cannot be translated into a null value due to being declared as a primitive type. Consider declaring it as object wrapper for the corresponding primitive type.", "path": "/user/add" 
}

查看报错信息

Optional int parameter 'id' is present but cannot be translated into a null value

意思是id不能转换为空，后面也给出了修改的建议

Consider declaring it as object wrapper for the corresponding primitive type.

可以用包装类Integer来避免这个错误

在springmvc接受参数的时候，尽量不要使用基本数据类型

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