private static List<String> getRemoteWordsUnprivileged(String location) {

		List<String> buffer = new ArrayList<String>();
		RequestConfig rc = RequestConfig.custom().setConnectionRequestTimeout(10 * 1000).setConnectTimeout(10 * 1000)
				.setSocketTimeout(60 * 1000).build();
		CloseableHttpClient httpclient = HttpClients.createDefault();
		CloseableHttpResponse response;
		BufferedReader in;
		HttpGet get = new HttpGet(location);
		get.setConfig(rc);
		try {
			response = httpclient.execute(get);
			if (response.getStatusLine().getStatusCode() == 200) {

				String charset = "UTF-8";
				// 获取编码，默认为utf-8
				HttpEntity entity = response.getEntity();
				if(entity!=null){
					Header contentType = entity.getContentType();
					if(contentType!=null&&contentType.getValue()!=null){
						String typeValue = contentType.getValue();
						if(typeValue!=null&&typeValue.contains("charset=")){
							charset = typeValue.substring(typeValue.lastIndexOf("=") + 1);
						}
					}

					if (entity.getContentLength() > 0) {
						in = new BufferedReader(new InputStreamReader(entity.getContent(), charset));
						String line;
						while ((line = in.readLine()) != null) {
							buffer.add(line);
						}
						in.close();
						response.close();
						return buffer;
					}
			}
			}
			response.close();
		} catch (IllegalStateException | IOException e) {
			logger.error("getRemoteWords {} error", e, location);
		}
		return buffer;
	}