No converter for XXX with preset Content-Type ‘application/octet-stream；charset=UTF-8‘

org.springframework.http.converter.HttpMessageNotWritableException: No converter for [class com.lzymon.core.config.Result] with preset Content-Type ‘application/octet-stream;charset=UTF-8’

转载：https://blog.csdn/u012377333/article/details/72263686

每次文件下载结束后都会报这个错误，其实不影响程序的运行