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def dl: (String => String) = { fileUrl: String => {
      val token = getToken();
          val response: HttpResponse[String] = Http(fileUrl)
          .header("Authorization", "Bearer " + token)
          .asString;
      try {
        retry(4){

          if (response.code != 200) {
            throw new javax.xml.ws.http.HTTPException(response.code)
          }
                  response.body;
        }
      } catch {
        case e: javax.xml.ws.http.HTTPException => {
          println("error HTTPException " + e + fileUrl);
          "failed";
        }
      }
    }}

spray.json.JsonParser$ParsingException: Unexpected character '<' at input index 0 (line 1, position 1), expected JSON Value: <html>?

org.apache.spark.sql.functions.get_json_object
DefaultJsonProtocol._
scala.util.parsing.json._