Optional int parameter topicId is present but cannot be translated into a null value due to being - 代码天地

Optional int parameter topicId is present but cannot be translated into a null value due to being

其他 2021-01-23 13:53:50 阅读次数: 0

后台报错500

Optional int parameter ‘newId’ 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.

你定义的字段，我这里就是newId这个字段定义成了int类型，但是在这个参数定义不是非必须的（也就是你的某个方法定义了这个参数，但是这个参数是非必须的，系统会自动给这个字段赋值为null值，但是int类型不能接收null值）

解决方法是：将int类型改成Integer封装类型.

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转载自blog.csdn.net/qq_40145879/article/details/106853033

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