Nginx Proxy Cache and Tomcat
Payam Chychi
pchychi at gmail.com
Tue Nov 9 21:39:39 MSK 2010
not sure if this would help but worth a try, also give
"http://wiki.nginx.org/NginxHttpProxyModule#proxy_cache" a read
proxy_cache_key
syntax: proxy_cache_key line;
default: $scheme$proxy_host$request_uri;
context: http, server, location
The directive specifies what information is included in the key for
caching, for example
proxy_cache_key "$host$request_uri$cookie_user";
Note that by default, the hostname of the server is not included in the
cache key. If you are using subdomains for different locations on your
website, you need to include it, e.g. by changing the cache key to
something like
proxy_cache_key "$scheme$host$request_uri";
-Payam
nams wrote:
> Hello,
>
> We need a little bit of help to understand what's wrong with our
> config.
> We try to setup a reverse proxy cache using Nginx but somthing seems to
> be wrong with our configuration.
> Behind the Nginx there is a tomcat server.
>
> The problem is that Nginx doesn't cache at all.
> Logs shows that the content isen't cacheable, but we diden't understand
> why !!
>
> The config is:
>
> nginx -V
> nginx version: nginx/0.8.53
> built by gcc 4.4.3 20100127 (Red Hat 4.4.3-4) (GCC)
> configure arguments: --with-debug
>
> nginx.conf
> worker_processes 2;
> error_log logs/error.log debug_core debug_http debug_alloc debug_mutex
> debug_event ;
> worker_rlimit_nofile 8192;
> events {
> worker_connections 1024;
> use epoll;
> }
>
>
> http {
> include mime.types;
> default_type application/octet-stream;
> sendfile on;
> client_body_buffer_size 1m;
> proxy_buffering on;
> proxy_buffer_size 4k;
> proxy_buffers 8 32k;
> tcp_nopush on;
>
> #keepalive_timeout 0;
> keepalive_timeout 65;
>
> #gzip on;
>
> proxy_cache_path /tmp/cache levels=1:2 keys_zone=tmpcache:15m;
>
> server {
> listen 8080;
> server_name myservername;
>
> #charset koi8-r;
>
> #access_log logs/host.access.log main;
>
> location / {
> proxy_pass http://localhost:8085;
> proxy_set_header Host $host;
> proxy_set_header X-Real-IP $remote_addr;
> proxy_set_header X-Forwarded-For
> $proxy_add_x_forwarded_for;
> }
>
> location /test/v1/ {
> proxy_pass http://localhost:8085;
> proxy_set_header Host $http_host;
> proxy_set_header X-Real-IP $remote_addr;
> proxy_set_header X-Forwarded-For
> $proxy_add_x_forwarded_for;
> proxy_cache_valid 200 301 302 120m;
> expires 864000;
> proxy_cache tmpcache;
> }
> }
> }
>
> logs:
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http request line: "GET
> /test/v1/lookup/?method=listConnectedCountries HTTP/1.1"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http uri: "/test/v1/lookup/"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http args:
> "method=listConnectedCountries"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http exten: ""
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http process request header line
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http header: "Host:
> myhostname:8080"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http header: "User-Agent:
> Mozilla/5.0 (Windows; U; Windows NT 6.0; fr; rv:1.9.2.12) Gecko/20101026
> AskTbUT2V5/3.9.1.14019 Firefox/3.6.12 ( .NET CLR 3.5.30729)"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http header: "Accept:
> text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http header: "Accept-Language:
> fr,fr-fr;q=0.8,en-us;q=0.5,en;q=0.3"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http header: "Accept-Encoding:
> gzip,deflate"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http header: "Accept-Charset:
> ISO-8859-1,utf-8;q=0.7,*;q=0.7"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http header: "Keep-Alive: 115"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http header: "Connection:
> keep-alive"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http header: "Cookie:
> __utma=38270632.803570674.1278490999.1288117398.1288363663.11;
> __utmz=38270632.1278490999.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http header: "Pragma: no-cache"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http header: "Cache-Control:
> no-cache"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http header done
> 2010/11/09 17:08:35 [debug] 3900#0: *1 event timer del: 11: 832387028
> 2010/11/09 17:08:35 [debug] 3900#0: *1 rewrite phase: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 test location: "/"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 test location: "test/v1/"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 using configuration "/test/v1/"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http cl:-1 max:1048576
> 2010/11/09 17:08:35 [debug] 3900#0: *1 rewrite phase: 2
> 2010/11/09 17:08:35 [debug] 3900#0: *1 post rewrite phase: 3
> 2010/11/09 17:08:35 [debug] 3900#0: *1 generic phase: 4
> 2010/11/09 17:08:35 [debug] 3900#0: *1 generic phase: 5
> 2010/11/09 17:08:35 [debug] 3900#0: *1 access phase: 6
> 2010/11/09 17:08:35 [debug] 3900#0: *1 access phase: 7
> 2010/11/09 17:08:35 [debug] 3900#0: *1 post access phase: 8
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http init upstream, client timer:
> 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 epoll add event: fd:11 op:3
> ev:80000005
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http cache key:
> "http://localhost:8085"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http cache key:
> "/test/v1/lookup/?method=listConnectedCountries"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 add cleanup: 08CF0DD0
> 2010/11/09 17:08:35 [debug] 3900#0: slab alloc: 76 slot: 4
> 2010/11/09 17:08:35 [debug] 3900#0: slab alloc: B5A8C000
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http file cache exists: -5 e:0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 cache file:
> "/tmp/cache/9/3f/e20791cdfc84e7878b482605b9bdd3f9"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 add cleanup: 08CF0E10
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream cache: -5
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http script copy: "Host: "
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http script var:
> "myhostname:8080"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http script copy: "
> "
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http script copy: "X-Real-IP: "
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http script var: "myhostipaddr"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http script copy: "
> "
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http script copy:
> "X-Forwarded-For: "
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http script var: "myhostipaddr"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http script copy: "
> "
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http script copy: "Connection:
> close
> "
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header: "User-Agent:
> Mozilla/5.0 (Windows; U; Windows NT 6.0; fr; rv:1.9.2.12) Gecko/20101026
> AskTbUT2V5/3.9.1.14019 Firefox/3.6.12 ( .NET CLR 3.5.30729)"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header: "Accept:
> text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header:
> "Accept-Language: fr,fr-fr;q=0.8,en-us;q=0.5,en;q=0.3"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header:
> "Accept-Encoding: gzip,deflate"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header:
> "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header: "Cookie:
> __utma=38270632.803570674.1278490999.1288117398.1288363663.11;
> __utmz=38270632.1278490999.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header: "Pragma:
> no-cache"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header:
> "Cache-Control: no-cache"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header:
> "GET /test/v1/lookup/?method=listConnectedCountries HTTP/1.0
> Host: myhostname:8080
> X-Real-IP: myhostipaddr
> X-Forwarded-For: myhostipaddr
> Connection: close
> User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; fr; rv:1.9.2.12)
> Gecko/20101026 AskTbUT2V5/3.9.1.14019 Firefox/3.6.12 ( .NET CLR
> 3.5.30729)
> Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
> Accept-Language: fr,fr-fr;q=0.8,en-us;q=0.5,en;q=0.3
> Accept-Encoding: gzip,deflate
> Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
> Cookie: __utma=38270632.803570674.1278490999.1288117398.1288363663.11;
> __utmz=38270632.1278490999.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)
> Pragma: no-cache
> Cache-Control: no-cache
>
> "
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http cleanup add: 08CF1164
> 2010/11/09 17:08:35 [debug] 3900#0: *1 get rr peer, try: 2
> 2010/11/09 17:08:35 [debug] 3900#0: *1 get rr peer, current: 1 1
> 2010/11/09 17:08:35 [debug] 3900#0: *1 socket 12
> 2010/11/09 17:08:35 [debug] 3900#0: *1 epoll add connection: fd:12
> ev:80000005
> 2010/11/09 17:08:35 [debug] 3900#0: *1 connect to 127.0.0.1:8085, fd:12
> #2
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream connect: -2
> 2010/11/09 17:08:35 [debug] 3900#0: *1 event timer add: 12:
> 60000:832387049
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http finalize request: -4,
> "/test/v1/lookup/?method=listConnectedCountries" a:1, c:2
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http request count:2 blk:0
> 2010/11/09 17:08:35 [debug] 3900#0: posted event 00000000
> 2010/11/09 17:08:35 [debug] 3900#0: worker cycle
> 2010/11/09 17:08:35 [debug] 3900#0: accept mutex locked
> 2010/11/09 17:08:35 [debug] 3900#0: epoll timer: 60000
> 2010/11/09 17:08:35 [debug] 3900#0: epoll: fd:11 ev:0004 d:08D00B78
> 2010/11/09 17:08:35 [debug] 3900#0: *1 post event 08D23B40
> 2010/11/09 17:08:35 [debug] 3900#0: epoll: fd:12 ev:0004 d:08D00BD0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 post event 08D23B74
> 2010/11/09 17:08:35 [debug] 3900#0: timer delta: 1
> 2010/11/09 17:08:35 [debug] 3900#0: posted events 08D23B74
> 2010/11/09 17:08:35 [debug] 3900#0: posted event 08D23B74
> 2010/11/09 17:08:35 [debug] 3900#0: *1 delete posted event 08D23B74
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream request:
> "/test/v1/lookup/?method=listConnectedCountries"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream send request
> handler
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream send request
> 2010/11/09 17:08:35 [debug] 3900#0: *1 chain writer buf fl:1 s:713
> 2010/11/09 17:08:35 [debug] 3900#0: *1 chain writer in: 08CF1180
> 2010/11/09 17:08:35 [debug] 3900#0: *1 writev: 713
> 2010/11/09 17:08:35 [debug] 3900#0: *1 chain writer out: 00000000
> 2010/11/09 17:08:35 [debug] 3900#0: *1 event timer del: 12: 832387049
> 2010/11/09 17:08:35 [debug] 3900#0: *1 event timer add: 12:
> 60000:832387050
> 2010/11/09 17:08:35 [debug] 3900#0: posted event 08D23B40
> 2010/11/09 17:08:35 [debug] 3900#0: *1 delete posted event 08D23B40
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http run request:
> "/test/v1/lookup/?method=listConnectedCountries"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream check client, write
> event:1, "/test/v1/lookup/"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream recv(): -1 (11:
> Resource temporarily unavailable)
> 2010/11/09 17:08:35 [debug] 3900#0: posted event 00000000
> 2010/11/09 17:08:35 [debug] 3900#0: worker cycle
> 2010/11/09 17:08:35 [debug] 3900#0: accept mutex locked
> 2010/11/09 17:08:35 [debug] 3900#0: epoll timer: 60000
> 2010/11/09 17:08:35 [debug] 3900#0: epoll: fd:12 ev:0005 d:08D00BD0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 post event 08D16B6C
> 2010/11/09 17:08:35 [debug] 3900#0: *1 post event 08D23B74
> 2010/11/09 17:08:35 [debug] 3900#0: timer delta: 7
> 2010/11/09 17:08:35 [debug] 3900#0: posted events 08D23B74
> 2010/11/09 17:08:35 [debug] 3900#0: posted event 08D23B74
> 2010/11/09 17:08:35 [debug] 3900#0: *1 delete posted event 08D23B74
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream request:
> "/test/v1/lookup/?method=listConnectedCountries"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream dummy handler
> 2010/11/09 17:08:35 [debug] 3900#0: posted event 08D16B6C
> 2010/11/09 17:08:35 [debug] 3900#0: *1 delete posted event 08D16B6C
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream request:
> "/test/v1/lookup/?method=listConnectedCountries"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream process header
> 2010/11/09 17:08:35 [debug] 3900#0: *1 malloc: 08CF1508:4096
> 2010/11/09 17:08:35 [debug] 3900#0: *1 recv: fd:12 354 of 3998
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy status 200 "200 OK"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header: "Server:
> Apache-Coyote/1.1"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header: "Pragma:
> no-cache"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header: "Expires: Thu,
> 01 Jan 1970 00:00:00 GMT"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header:
> "Cache-Control: no-cache"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header:
> "Cache-Control: no-store"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header: "Date: Tue, 09
> Nov 2010 17:08:35 GMT"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header: "Connection:
> close"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http proxy header done
> 2010/11/09 17:08:35 [debug] 3900#0: *1 HTTP/1.1 200 OK
> Server: nginx/0.8.53
> Date: Tue, 09 Nov 2010 17:08:35 GMT
> Transfer-Encoding: chunked
> Connection: keep-alive
> Expires: Fri, 19 Nov 2010 17:08:35 GMT
> Cache-Control: max-age=864000
>
> 2010/11/09 17:08:35 [debug] 3900#0: *1 write new buf t:1 f:0 08CF13B8,
> pos 08CF13B8, size: 201 file: 0, size: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http write filter: l:0 f:0 s:201
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http cacheable: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http file cache free, fd: -1
> 2010/11/09 17:08:35 [debug] 3900#0: slab free: B5A8C000
> 2010/11/09 17:08:35 [debug] 3900#0: *1 posix_memalign: 08D30AE0:4096
> @16
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream process upstream
> 2010/11/09 17:08:35 [debug] 3900#0: *1 pipe read upstream: 1
> 2010/11/09 17:08:35 [debug] 3900#0: *1 pipe preread: 144
> 2010/11/09 17:08:35 [debug] 3900#0: *1 readv: 1:3644
> 2010/11/09 17:08:35 [debug] 3900#0: *1 pipe recv chain: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 pipe buf free s:0 t:1 f:0
> 08CF1508, pos 08CF163C, size: 144 file: 0, size: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 input buf #0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 pipe write downstream: 1
> 2010/11/09 17:08:35 [debug] 3900#0: *1 pipe write downstream flush in
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http output filter
> "/test/v1/lookup/?method=listConnectedCountries"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http copy filter:
> "/test/v1/lookup/?method=listConnectedCountries"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http postpone filter
> "/test/v1/lookup/?method=listConnectedCountries" 08CF14C8
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http chunk: 144
> 2010/11/09 17:08:35 [debug] 3900#0: *1 write old buf t:1 f:0 08CF13B8,
> pos 08CF13B8, size: 201 file: 0, size: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 write new buf t:1 f:0 00000000,
> pos 08CF14D8, size: 4 file: 0, size: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 write new buf t:1 f:0 08CF1508,
> pos 08CF163C, size: 144 file: 0, size: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 write new buf t:0 f:0 00000000,
> pos 080AE7E1, size: 2 file: 0, size: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http write filter: l:0 f:0 s:351
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http copy filter: 0
> "/test/v1/lookup/?method=listConnectedCountries"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 pipe write downstream done
> 2010/11/09 17:08:35 [debug] 3900#0: *1 event timer: 12, old: 832387050,
> new: 832387057
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream exit: 00000000
> 2010/11/09 17:08:35 [debug] 3900#0: *1 finalize http upstream request:
> 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 finalize http proxy request
> 2010/11/09 17:08:35 [debug] 3900#0: *1 free rr peer 2 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 close http upstream connection:
> 12
> 2010/11/09 17:08:35 [debug] 3900#0: *1 event timer del: 12: 832387050
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http upstream temp fd: -1
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http output filter
> "/test/v1/lookup/?method=listConnectedCountries"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http copy filter:
> "/test/v1/lookup/?method=listConnectedCountries"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http postpone filter
> "/test/v1/lookup/?method=listConnectedCountries" BF969EE8
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http chunk: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 write old buf t:1 f:0 08CF13B8,
> pos 08CF13B8, size: 201 file: 0, size: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 write old buf t:1 f:0 00000000,
> pos 08CF14D8, size: 4 file: 0, size: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 write old buf t:1 f:0 08CF1508,
> pos 08CF163C, size: 144 file: 0, size: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 write old buf t:0 f:0 00000000,
> pos 080AE7E1, size: 2 file: 0, size: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 write new buf t:0 f:0 00000000,
> pos 080AE7DE, size: 5 file: 0, size: 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http write filter: l:1 f:0 s:356
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http write filter limit 0
> 2010/11/09 17:08:35 [debug] 3900#0: *1 writev: 356
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http write filter 00000000
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http copy filter: 0
> "/test/v1/lookup/?method=listConnectedCountries"
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http finalize request: 0,
> "/test/v1/lookup/?method=listConnectedCountries" a:1, c:1
> 2010/11/09 17:08:35 [debug] 3900#0: *1 set http keepalive handler
> 2010/11/09 17:08:35 [debug] 3900#0: *1 http close request
>
>
> Thank you in advance for your help.
>
> Posted at Nginx Forum: http://forum.nginx.org/read.php?2,149206,149206#msg-149206
>
>
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> nginx mailing list
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>
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