private String initJSONBody(HttpServletRequest request) {		StringBuilder sb = null;		try {			BufferedReader br = new BufferedReader(new InputStreamReader(request.getInputStream(), "UTF-8"));			//			returnStr = br.readLine().toString();			String line = null;			sb = new StringBuilder();			while ((line = br.readLine()) != null) {				sb.append(line);				sb.append("\r\n");			}			br.close();			logger.error("error-body:" + sb.toString());		} catch (Exception e) {			e.printStackTrace();		}		return sb.toString();	}