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报错信息:Could not write JSON: (was java.lang.NullPointerException); nested exception is com.fasterxml.j
时间 2021-01-10
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记录一次spring boot整合layui加security查询List接口返回接口异常报错 实现了UserDetails接口 Mapper接口 前台直接注入Mapper然后调用接口 后台一切运行正常然后到前台报一个500,报错信息如下 {timestamp: “2020-09-21T07:02:23.328+00:00”, status: 500, error: “Internal Serve
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Could not write JSON: (was java.lang.NullPointerException);
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