URL currentPage = getCodeBase();String protocol = currentPage.getProtocol();String host = currentPage.getHost();int port = currentPage.getPort();String urlSuffix = "/servlet/Help";URL dataURL = new URL(protocol, host, port, urlSuffix);URLConnection connection = dataURL.openConnection();connection.setUseCaches(false);connection.setDoOutput(true);ObjectOutputStream in = new ObjectOutputStream(connection.getOutputStream());in.writeObject(so);in.close();