1. file-saver 모듈 다운로드 npm i --save file-saver https://www.npmjs.com/package/file-saver file-saver An HTML5 saveAs() FileSaver implementation www.npmjs.com 2. Angular (Client) 부분 let headers = new HttpHeaders({ "Authorization": "Bearer " + user.jwt, // Auth header //No other headers needed }); this.http .get("/download/dump", { headers, responseType: "blob" }) //set response Type properly (it is ..