public void run() { if (webServerUrl == null) { logger.log(Level.WARNING, "Web server url is null!"); return; } try { Random rand = new Random(); Address address = ((MemberImpl) factory.node.getClusterImpl().getLocalMember()).getAddress(); GroupConfig groupConfig = factory.getConfig().getGroupConfig(); while (running.get()) { try { URL url = new URL( webServerUrl + "getTask.do?member=" + address.getHost() + ":" + address.getPort() + "&cluster=" + groupConfig.getName()); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestProperty("Connection", "keep-alive"); InputStream inputStream = connection.getInputStream(); DataInputStream input = new DataInputStream(inputStream); int taskId = input.readInt(); if (taskId > 0) { int requestType = input.readInt(); ConsoleRequest request = consoleRequests[requestType]; request.readData(input); sendResponse(taskId, request); } } catch (Exception e) { logger.log(Level.FINEST, e.getMessage(), e); } Thread.sleep(700 + rand.nextInt(300)); } } catch (Throwable throwable) { logger.log(Level.FINEST, "Problem on management center while polling task.", throwable); } }