HttpServletRequest параметры есть а getQueryString пустой

@RequestMapping(value = "/startCampaign")
    public void startCampaign(HttpServletRequest request, HttpServletResponse resp) throws IOException {
        request.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
        resp.setContentType("application/json");
 
        System.out.println("getQueryString - " + request.getQueryString());
 
        PrintWriter out = resp.getWriter();
        JSONObject job = new JSONObject();
        job.put("scStatus", "failed");
 
        out.print(job);
 
        out.close();
        job = null;
        out = null;
    }

@RequestMapping(value = {"/getPayment"})
    @SuppressWarnings("unchecked")
    @ResponseBody
    public void getPayment(HttpServletRequest request) throws IOException {
        request.setCharacterEncoding("UTF-8");
 
        log.error("\nQUERY_STRING - " + request.getQueryString());
        log.error("\nURI - " + request.getRequestURI());
        log.error("\nURL - " + request.getRequestURL());
 
        StringBuilder stringBuilder = new StringBuilder();
        StringBuilder stringBuilder1 = new StringBuilder(); 
 
        Enumeration<String> params = request.getParameterNames();
        Enumeration<String> headers = request.getHeaderNames();
 
        String paramsName;
        while (params.hasMoreElements()) {
            paramsName = params.nextElement();
 
            stringBuilder.append("\nNAME - ");
            stringBuilder.append(paramsName);
            stringBuilder.append("; PARAMETER - ");
            stringBuilder.append(request.getParameter(paramsName));
        }
 
        String headersName;
        while (headers.hasMoreElements()) {
            headersName = headers.nextElement();
 
            stringBuilder1.append("\nH-NAME - ");
            stringBuilder1.append(headersName);
            stringBuilder1.append("; H-PARAMETER - ");
            stringBuilder1.append(request.getHeader(headersName));
        }
 
        log.error("\n\nGET_PAYMENT: " + LocalTime.now().toString() + "\n" + stringBuilder.toString());
        log.error("\nheader-parameters:\n" + stringBuilder1.toString());
        
        stringBuilder = null;
        params = null;
    }

@RequestMapping(value = {"/getPayment"})
@SuppressWarnings("unchecked")
@ResponseBody
public void getPayment(HttpServletRequest request, @RequestBody String body) throws IOException {

request.getReader().lines().collect(Collectors.joining(System.lineSeparator()))