Could not write JSON: java.lang.Integer cannot be cast to java.lang.Double； nested exception is com._could not write json: class java.lang.integer cann

Could not write JSON: java.lang.Integer cannot be cast to java.lang.Double; nested exception is com.fasterxml.jackson.databind.JsonMappingException: java.lang.Integer cannot be cast to java.lang.Double (through reference chain: com.inspur.cloud.ddos.common.bean.ResponseBean[“data”]->com.inspur.cloud.ddos.manage.report.dto.DdosAttackTrendDTO[“ydata”]->com.inspur.cloud.ddos.manage.report.dto.DdosAttackTrendDTO$YDataDTO[“data”]->java.util.ArrayList[0])

无法写入JSON:java.lang.Integer无法强制转换为java.lang.Double；嵌套异常为com.fasterxml.jackson.databind.JsonMappingException:java.lang.Integer无法强制转换为java.lang.Ddouble（通过引用链：

解决方案 :

List<Number> yDatas = (List<Number>) map.get(KEY_DATA);
1

直接用Number类型接收,就不会报错了