How to use

onException

method

in

com.mpush.netty.http.RequestContext

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
  RequestContext context = ctx.channel().attr(client.requestKey).getAndSet(null);
  try {
    if (context != null && context.tryDone()) {
      context.onException(cause);
    }
  } finally {
    client.pool.tryRelease(ctx.channel());
  }
  LOGGER.error("http client caught an ex, info={}", context, cause);
}