serverHttp.getResponse().getMimeHeaders().addValue("TomcatProxy").set("True");
clientHttpReq.getHttpChannel().setDataReceivedCallback(copy);
copy.handleReceived(clientHttpReq.getHttpChannel());
serverHttp.startSending();
//clientHttpReq.flush(); // send any data still there
// if (clientHttpReq.getHttpChannel().getIn().isClosedAndEmpty()) {