@Override
public void onError(Throwable ex) {
super.onError(ex);
logger.error("ResponseBodySubscriber error", ex);
if (!exchange.isResponseStarted() && exchange.getStatusCode() < 500) {
exchange.setStatusCode(500);
}
}
@Override
public void onError(Throwable t) {
super.onError(t);
broadcastError(t);
}