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Re: Unexpected response code:400 while using nginx_tcp_proxy_module for WebSocket

姚伟斌
August 15, 2012 11:54AM
Hi,

Can you open an websocket for me to connect from internet? And tell me
the test method?

You can email me to my private email: yaoweibin@gmail.com

Thanks.

2012/8/15 n1xman <nginx-forum@nginx.us>:
> Hello,
>
> We are trying to use nginx_tcp_proxy_module for WebSocket with the back-end
> CometD/Jetty. Direct CometD exposed to public is working fine and it goes
> with WebSocket but through nginx the transport switch to long-poll after
> throwing above error. Following is the request-response headers I see while
> trying to establish the WebSocket connection.
>
> GET /CometServer/cometd HTTP/1.1
> Upgrade: websocket
> Connection: Upgrade
> Host: comet.example.com
> Origin: http://comet.example.com
> Sec-WebSocket-Key: yL46RAYQU5/wH73WE6y0Xw==
> Sec-WebSocket-Version: 13
> Sec-WebSocket-Extensions: x-webkit-deflate-frame
> Cookie: JSESSIONID=5v8ee7guk9y61x235jgu2t3ng;
> __utma=260652952.1760465236.1333589697.1333589697.1342161899.2;
> __utmz=260652952.1342161899.2.2.utmcsr=;
> BAYEUX_BROWSER=7e3f11lg7gmow6t4mh5welcj5oxr
>
>
> HTTP/1.0 400 Bad Request
> Date: Wed, 15 Aug 2012 13:12:50 GMT
> Access-Control-Allow-Origin: http://comet.example.com
> Access-Control-Allow-Credentials: true
> Content-Type: text/html;charset=ISO-8859-1
> Cache-Control: must-revalidate,no-cache,no-store
> Content-Length: 1413
> Server: Jetty(7.6.3.v20120416)
> X-Cache: MISS from proxy
> Connection: keep-alive
>
> I suspect this is due to CometD not seeing "Upgrade: websocket" header thus
> it considered as failed websocket request and return 400 "Unexpected
> response code"
>
> I fully understand that nginx is not natively support WebSocket as yet but
> we would like to try at least ngx_tcp_proxy module as it has a WebSocoket
> module. Following is my config.
>
>
> tcp {
> upstream websockets {
> server 172.17.241.191:8484;
> check interval=3000 rise=2 fall=5 timeout=1000;
>
> }
>
> server {
> listen 172.17.241.191:9000;
> server_name comet.example.com;
> tcp_nodelay on;
> websocket_pass websockets;
>
> access_log /var/log/nginx/tcp_access.log;
>
> }
> }
>
>
> nginx -V
> nginx version: nginx/1.2.1
> built by gcc 4.1.2 20080704 (Red Hat 4.1.2-48)
> TLS SNI support disabled
> configure arguments: --prefix=/etc/nginx/ --sbin-path=/usr/sbin/nginx
> --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log
> --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid
> --lock-path=/var/run/nginx.lock
> --http-client-body-temp-path=/var/cache/nginx/client_temp
> --http-proxy-temp-path=/var/cache/nginx/proxy_temp
> --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp
> --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp
> --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx --group=nginx
> --with-http_ssl_module --with-http_realip_module --with-http_addition_module
> --with-http_sub_module --with-http_dav_module --with-http_flv_module
> --with-http_mp4_module --with-http_gzip_static_module
> --with-http_random_index_module --with-http_secure_link_module
> --with-http_stub_status_module --with-mail_ssl_module --with-file-aio
> --with-debug --with-cc-opt='-O2 -g -m32 -march=i386 -mtune=generic
> -fasynchronous-unwind-tables' --without-http_uwsgi_module
> --without-http_scgi_module --without-mail_pop3_module
> --without-mail_imap_module --without-mail_smtp_module
> --add-module=/usr/local/hirantha/rpmbuild/BUILD/nginx-1.2.1/contrib/yaoweibin-nginx_tcp_proxy_module-a40c99a
> --add-module=/usr/local/hirantha/rpmbuild/BUILD/nginx-1.2.1/contrib/simpl-ngx_devel_kit-24202b4
> --add-module=/usr/local/hirantha/rpmbuild/BUILD/nginx-1.2.1/contrib/agentzh-echo-nginx-module-080c0a1
> --add-module=/usr/local/hirantha/rpmbuild/BUILD/nginx-1.2.1/contrib/agentzh-set-misc-nginx-module-87d0ab2
> --add-module=/usr/local/hirantha/rpmbuild/BUILD/nginx-1.2.1/contrib/mikewest-nginx-static-etags-25bfaf9
> --add-module=/usr/local/hirantha/rpmbuild/BUILD/nginx-1.2.1/contrib/nginx-sticky-module-1.0
> --add-module=/usr/local/hirantha/rpmbuild/BUILD/nginx-1.2.1/contrib/agentzh-memc-nginx-module-8befc56
> --add-module=/usr/local/hirantha/rpmbuild/BUILD/nginx-1.2.1/contrib/agentzh-srcache-nginx-module-8df221e
>
> uname -rop
> 2.6.18-194.26.1.el5PAE i686 GNU/Linux
>
> I would appreciate some help from you guys.
>
> Thanks in advance.
>
> Posted at Nginx Forum: http://forum.nginx.org/read.php?2,229724,229724#msg-229724
>
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> http://mailman.nginx.org/mailman/listinfo/nginx

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Subject Author Posted

Unexpected response code:400 while using nginx_tcp_proxy_module for WebSocket

n1xman August 15, 2012 10:30AM

Re: Unexpected response code:400 while using nginx_tcp_proxy_module for WebSocket

姚伟斌 August 15, 2012 11:54AM



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