Object to String return "null"

[authorZhao]

version 2.8.5

    private void sendFollowerActivity(){
@Data class ActivityPersonAuditResultDTO{private Long actId;private Integer auditStatus;}
        Long actId = 1906050000052709L;
        ActivityPersonAuditResultDTO dto = new ActivityPersonAuditResultDTO();
        dto.setActId(actId);
        dto.setAuditStatus(10);
        String gosn = new Gson().toJson(dto);//gosn is "null"
        String fastjson = JSON.toJSONString(dto); //fastjson is ok,{"actId":1906050000052709,"auditStatus":10}
}

[lyubomyr-shaydariv]

Local classes are not supported. See #1510 and https://github.com/google/gson/blob/master/UserGuide.md#finer-points-with-objects .

[Marcono1234]

Closing because as mentioned above the issue is that you are using local classes, and there are already other GitHub issues about this problem.