报错内容：

JSON parse error: Unexpected character ('/' (code 47)): maybe a (non-standard) comment? (not recognized as one since Feature 'ALLOW_COMMENTS' not enabled for parser); nested exception is com.fasterxml.jackson.databind.JsonMappingException: Unexpected character ('/' (code 47)): maybe a (non-standard) comment? (not recognized as one since Feature 'ALLOW_COMMENTS' not enabled for parser)at [Source: (PushbackInputStream); line: 5, column: 29] (through reference chain: com.akun.demo.model.boke.Comment["parentComment"])

postman 的数据格式：如下

解决办法：
1、把注解删掉就可以正常使用，不会报错
2、核实你的json文件中是否有类似//，# 添加的注释，json不支持注释，想要添加注释的话，可以使用 key : value 添加描述