try {
			HttpClient httpclient = HttpClients.createDefault();
			HttpPost httpget = new HttpPost("http://127.0.0.1:8080/main/?testUID=402baba0-2683-49fc-9881-5e038972d48a&&method=PreferenceInitialize");
			httpget.setHeader("Accept", "application/json");
			httpget.setHeader("Content-type", "application/json");			
			httpget.setHeader("Cache-Control", "no-cache");
			httpget.setHeader("Content-type", "no-store");
			httpget.setHeader("Content-type", "private");
			httpget.setHeader("Pragma", "no-chache");

			// Request parameters and other properties.
			List<NameValuePair> params = new ArrayList<NameValuePair>(2);
			params.add(new BasicNameValuePair("testUID", "402baba0-2683-49fc-9881-5e038972d48a"));
			params.add(new BasicNameValuePair("method", "PreferenceInitialize"));
			httpget.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));
	
			//Execute and get the response.
			HttpResponse response = httpclient.execute(httpget);
			HttpEntity entity = response.getEntity();
	
			if (entity != null) {
			  InputStream instream = entity.getContent();
			  try {
			    // do something useful
			  } finally {
			    instream.close();
			  }
			}
		 } catch(Exception e) {
			 e.printStackTrace();
		 }