public void messageReceived(ChannelHandlerContext ctx, HttpObject msg) {
if (msg instanceof HttpResponse) {
HttpResponse response = (HttpResponse) msg;
System.err.println("STATUS: " + response.status());
System.err.println("VERSION: " + response.protocolVersion());
if (!response.headers().isEmpty()) {
for (CharSequence name : response.headers().names()) {
for (CharSequence value : response.headers().getAll(name)) {
System.err.println("HEADER: " + name + " = " + value);