@Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { RequestContext context = ctx.channel().attr(client.requestKey).getAndSet(null); try { if (context != null && context.tryDone()) { LOGGER.debug("receive server response, request={}, response={}", context, msg); HttpResponse response = (HttpResponse) msg; if (isRedirect(response)) { if (context.onRedirect(response)) { String location = getRedirectLocation(context.request, response); if (location != null && location.length() > 0) { context.cancelled.set(false); context.request.setUri(location); client.request(context); return; } } } context.onResponse(response); } else { LOGGER.warn("receive server response but timeout, request={}, response={}", context, msg); } } finally { client.pool.tryRelease(ctx.channel()); ReferenceCountUtil.release(msg); } }