GET /rest-api-dev/search/isearch?q=ˮ�𨩦sortBy=0 HTTP/1.1
Accept: text/html, application/xhtml+xml, */*
Accept-Language: ru-RU
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
Accept-Encoding: gzip, deflate
Host: 82.209.241.88:8080
DNT: 1
Connection: Keep-Alive
Cache-Control: no-cache
Cookie: JSESSIONID=DPnhfvqIh_ngo5nuKe7VYZjVTTndpbJsYaVRH4sD.debian-expert

GET /rest-api-dev/search/isearch?q=%D0%9A%D0%BE%D0%BC%D0%BC%D0%B5%D0%BD%D1%82%D0%B0%D1%80%D0%B8%D0%B9&sortBy=0 HTTP/1.1
Host: 82.209.241.88:8080
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:45.0) Gecko/20100101 Firefox/45.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: ru,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate
DNT: 1
expert-token: dXNlcjU6MTQ2Mjk4MzA2OTMwNTozNjgxNGM2OTgwNjIyNWViZmI5OWMwNzIwZWFlYTkzNA
Referer: http://82.209.241.88:8080/expert/
Cookie: JSESSIONID=5-0nhU5tPeVwoMKIdZm86dXCpWFgu0ZAuvh5ZZI6.debian-expert
Connection: keep-alive

  public void getRawData(String url, String json, AsyncCallback<String> jsonCallback) {
    try {

      logger.info(url);
      RequestBuilder requestBuilder = new RequestBuilder(json == null ? RequestBuilder.GET : RequestBuilder.POST,
          entryPoint + url);

      if (json != null) {
        requestBuilder.setHeader("Content-Type", "application/json");
        requestBuilder.setRequestData(json);
      }
      requestBuilder.setIncludeCredentials(true);
      if (Cookies.getCookie(UriConstants.AUTH_CL_COOKIE) != null) {
        logger.log(Level.CONFIG, Cookies.getCookie(UriConstants.AUTH_CL_COOKIE));
        requestBuilder.setHeader(RestURIConstants.EXPERT_TOKEN, Cookies.getCookie(UriConstants.AUTH_CL_COOKIE));
      }
      trysCount = 0;
      requestBuilder.setCallback(new RequestResultCallback(jsonCallback, requestBuilder));

      logger.info(requestBuilder.toString());
      requestBuilder.send();
    } catch (RequestException ex) {
      logger.log(Level.SEVERE, "getRawData error: ", ex);
      jsonCallback.onFailure(ex);
    }
  }

String urlEncode = UriUtils.encode(url);