문서 저장시 하기와 같은 오류가 발생하고 있습니다. 확인 가능할까요?
{
"url": "[http://127.0.0.1:8080/filterserver/save](http://127.0.0.1:8080/filterserver/save)",
"resultCode": -1,
"result": false,
"exceptionName": "AjaxException",
"exceptionMessage": "com.hancom.webhwp.control.exception.HwpSDKException: com.hancom.hwp.service.FilterClientException: java.net.SocketException: server connection failed while waiting response !!!",
"errorCode": 4200
}