Handle is missing error when posting picture. about jxinsta HOT 3 OPEN

    public static String uploadPicture(@NotNull InputStream in, @NotNull String token) throws IOException {
        String uploadId = Long.toString(Math.abs((new Random()).nextLong()), 36);
        byte[] bytes = new byte[in.available()];
        in.read(bytes);
        boolean isCookie = token.contains("sessionid");
        Request.Builder uploadReq = (new Request.Builder()).url("https://i.instagram.com/rupload_igphoto/JxInsta_upload_" + uploadId).post(RequestBody.create(bytes)).headers(Headers.of(Constants.BASE_HEADERS)).addHeader("x-instagram-rupload-params", "{\"media_type\":1,\"upload_id\":\"" + uploadId + "\"}").addHeader("x-entity-length", String.valueOf(bytes.length)).addHeader("x-entity-name", "JxInsta_upload_" + uploadId).addHeader("x-entity-type", "image/jpeg").addHeader("offset", String.valueOf(0)).removeHeader("content-type").addHeader(isCookie ? "cookie" : "authorization", token).addHeader("content-type", "application/octet-stream");
        Response res = client.newCall(uploadReq.build()).execute();
        if (res.isSuccessful()) {
            return uploadId;
        } else {
            System.out.println(res.body().string());
            throw new IOException("Failed to upload picture");
        }
    }