private static void stopGateways() throws IOException, InterruptedException {
javaProcessLauncher.stopBySendingNewLineIntoProcess(cacheServerA);
javaProcessLauncher.stopBySendingNewLineIntoProcess(cacheServerB);
javaProcessLauncher.stopBySendingNewLineIntoProcess(cacheServerC);
javaProcessLauncher.stopBySendingNewLineIntoProcess(gatewayA);
javaProcessLauncher.stopBySendingNewLineIntoProcess(gatewayB);
javaProcessLauncher.stopBySendingNewLineIntoProcess(gatewayC);
}
