nginx return http code 498

[Maxim Dounin]

Hello!

On Thu, Dec 10, 2015 at 05:21:23AM -0500, jonefee wrote:

> i am using nginx as a reverse proxy server(Let 's call it Server A). server
> A's upstream server is also a nginx server((Let 's call it Server B) backend
> with a jetty server((Let 's call it Server C) served at port 8080.  we have
> a lot of Server A and each one of them use the same bunch of server B as
> upstream, each server B use its local jetty server as its own upstream
> server. server A and Server B work at port 80.
> 
> i found few http response code 498 from server B about 2 or 3 days ago . 
> google on it found little information ,any one has some idea ?

498 is not something nginx returns unless explicitly configured to 
do so.  Unless you see something like "return 498" in your nginx 
configs, try looking into your backend server code instead.

-- 
Maxim Dounin
http://nginx.org/