NGINX stops redirecting

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NGINX stops redirecting

Douglas Landau

For some reason NGINX sometimes stops serving my tomcat pages and starts wanting to serve pages from .../nginx/html/.

 

I don’t get it.  On Friday, at 13:39, I was happily browsing my XWiki site, as you can see from the NGINX access_log.  Then from that log you see no activity until 10:31 this morning, at which time it no longer wants to redirect hits to port 8080 or to /xwiki, it just wants to serve from its own html/ subdir. 

 

When I come in this morning, When I go to hit the site NGINX shows me the placeholder page, .../nginx/html/index.html, which starts out "If you can see this page, ..."

 

I can still hit my xwiki at :8080/xwiki.   It has not been restarted, altho so what if it had?

NGINX has not been restarted, and the config files (conf/nginx.conf, conf.d/tomcat.conf) have not changed.

 

Anybody else seen this?  Why did it change behavior, and doe it have anything to do with the "signal process started" messages?

 

Thanks.  Sorry if this is already discussed I just now koined the mailing list and will look thru the archives now.

 

NGINX Access log, showing a few hits to xwiki at 13:39 on 05/05, then non-redirected hits at 10:31-10:41 AM on 05/08

------------------

10.13.107.52 - - [05/May/2017:13:39:39 -0700] "GET /xwiki/bin/get/Portfolio%20Management/Project%20Budget/WebHome?outputSyntax=plain&sheet=XWiki.DocumentTree&showAttachments=false&showTranslations=false&&data=children&id=document%3Axwiki%3APortfolio+Management.WebHome HTTP/1.1" 200 1671 "http://dwswiki10.westmarine.net/xwiki/bin/view/Portfolio%20Management/Project%20Budget/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [05/May/2017:13:39:41 -0700] "GET /xwiki/bin/get/Portfolio%20Management/Project%20Budget/WebHome?outputSyntax=plain&sheet=XWiki.DocumentTree&showAttachments=false&showTranslations=false&&data=children&id=document%3Axwiki%3APortfolio+Management.Projects.WebHome HTTP/1.1" 200 1178 "http://dwswiki10.westmarine.net/xwiki/bin/view/Portfolio%20Management/Project%20Budget/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [05/May/2017:13:39:43 -0700] "GET /xwiki/bin/get/Portfolio%20Management/Project%20Budget/WebHome?outputSyntax=plain&sheet=XWiki.DocumentTree&showAttachments=false&showTranslations=false&&data=children&id=document%3Axwiki%3APortfolio+Management.Projects.Project+A.WebHome HTTP/1.1" 200 4330 "http://dwswiki10.westmarine.net/xwiki/bin/view/Portfolio%20Management/Project%20Budget/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [05/May/2017:13:39:45 -0700] "GET /xwiki/bin/get/Portfolio%20Management/Project%20Budget/WebHome?outputSyntax=plain&sheet=XWiki.DocumentTree&showAttachments=false&showTranslations=false&&data=children&id=document%3Axwiki%3APortfolio+Management.Projects.Project+A.Design.WebHome HTTP/1.1" 200 6935 "http://dwswiki10.westmarine.net/xwiki/bin/view/Portfolio%20Management/Project%20Budget/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [08/May/2017:10:30:44 -0700] "GET / HTTP/1.1" 200 612 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [08/May/2017:10:30:45 -0700] "GET /favicon.ico HTTP/1.1" 404 571 "http://dwswiki10/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [08/May/2017:10:31:27 -0700] "GET /xwiki HTTP/1.1" 404 571 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [08/May/2017:10:31:44 -0700] "GET / HTTP/1.1" 200 612 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [08/May/2017:10:31:44 -0700] "GET /favicon.ico HTTP/1.1" 404 571 "https://dwswiki10/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [08/May/2017:10:41:26 -0700] "GET / HTTP/1.1" 200 612 "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)"

10.13.107.52 - - [08/May/2017:10:41:26 -0700] "GET /favicon.ico HTTP/1.1" 404 571 "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)"

10.13.107.52 - - [08/May/2017:10:41:29 -0700] "GET / HTTP/1.1" 304 0 "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)"

10.13.107.52 - - [08/May/2017:10:41:29 -0700] "GET /favicon.ico HTTP/1.1" 404 571 "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)"

 

 

 

NGINX error log, showing some " signal process started" messages:

--------------------------------

2017/05/05 00:27:05 [error] 14431#0: *6148 open() "/data/nginx/html/servlet/admin" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /servlet/admin?category=server&method=listAll&Authorization=Digest+username%3D%22admin%22%2C+response%3D%22ae9f86d6beaa3f9ecb9a5b7e072a4138%22%2C+nonce%3D%222b089ba7985a883ab2eddcd3539a6c94%22%2C+realm%3D%22adminRealm%22%2C+uri%3D%22%2Fservlet%2Fadmin%22&service= HTTP/1.0"

2017/05/05 00:27:05 [error] 14431#0: *6152 open() "/data/nginx/html/servlet/admin" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /servlet/admin?category=server&method=listAll&Authorization=Digest+username%3D%22admin%22%2C+response%3D%22ae9f86d6beaa3f9ecb9a5b7e072a4138%22%2C+nonce%3D%222b089ba7985a883ab2eddcd3539a6c94%22%2C+realm%3D%22adminRealm%22%2C+uri%3D%22%2Fservlet%2Fadmin%22&service= HTTP/1.0"

2017/05/05 00:27:05 [error] 14431#0: *6156 "/data/nginx/html/HTTP1.0/index.html" is not found (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /HTTP1.0/"

2017/05/05 00:27:12 [error] 14431#0: *6443 open() "/data/nginx/html/home.htm" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /home.htm HTTP/1.1", host: "10.13.4.247"

2017/05/05 00:27:16 [error] 14431#0: *6550 open() "/data/nginx/html/spipe" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "POST /spipe?Source=nessus HTTP/1.0"

2017/05/05 00:27:16 [error] 14431#0: *6552 open() "/data/nginx/html/spipe" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "POST /spipe?Source=nessus HTTP/1.0"

2017/05/05 00:27:20 [error] 14431#0: *6661 open() "/data/nginx/html/logout" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /logout HTTP/1.0"

2017/05/05 00:27:20 [error] 14431#0: *6668 open() "/data/nginx/html/logout" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /logout HTTP/1.0"

2017/05/05 00:27:22 [error] 14431#0: *6752 open() "/data/nginx/html/yYWiy2DH.asp" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET //yYWiy2DH.asp HTTP/1.0"

2017/05/05 00:27:22 [error] 14431#0: *6757 open() "/data/nginx/html/tnq0ObbP.asp" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET //tnq0ObbP.asp HTTP/1.0"

2017/05/05 00:27:25 [error] 14431#0: *6882 open() "/data/nginx/html/content/YmEIoHwZQ6.mp3" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /content/YmEIoHwZQ6.mp3 HTTP/1.0"

2017/05/05 00:27:25 [error] 14431#0: *6885 open() "/data/nginx/html/content/YmEIoHwZQ6.mp3" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /content/YmEIoHwZQ6.mp3 HTTP/1.0"

2017/05/05 00:27:46 [error] 14431#0: *7313 open() "/data/nginx/html/iControl/iControlPortal.cgi" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "POST http://127.0.0.1/iControl/iControlPortal.cgi HTTP/1.1", host: "dwswiki10.westmarine.net"

2017/05/05 00:27:46 [error] 14431#0: *7315 open() "/data/nginx/html/iControl/iControlPortal.cgi" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "POST http://127.0.0.1/iControl/iControlPortal.cgi HTTP/1.1", host: "dwswiki10.westmarine.net"

2017/05/05 00:27:47 [error] 14431#0: *7342 open() "/data/nginx/html/.anydomain.test" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /.anydomain.test HTTP/1.0"

2017/05/05 00:27:47 [error] 14431#0: *7343 open() "/data/nginx/html/.anydomain.test" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /.anydomain.test HTTP/1.0"

2017/05/05 00:27:47 [error] 14431#0: *7345 open() "/data/nginx/html/index.jsp" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /index.jsp HTTP/1.1", host: "sjfklsjfkldfjklsdfjdlksjfdsljk.foo."

2017/05/05 00:27:48 [error] 14431#0: *7351 open() "/data/nginx/html/index.jsp" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /index.jsp HTTP/1.1", host: "sjfklsjfkldfjklsdfjdlksjfdsljk.foo."

2017/05/05 00:27:50 [crit] 14431#0: *7396 SSL_do_handshake() failed (SSL: error:14094085:SSL routines:SSL3_READ_BYTES:ccs received early) while SSL handshaking, client: 10.13.122.42, server: 0.0.0.0:443

2017/05/05 00:27:50 [crit] 14431#0: *7397 SSL_do_handshake() failed (SSL: error:05066066:Diffie-Hellman routines:COMPUTE_KEY:invalid public key error:1408B005:SSL routines:SSL3_GET_CLIENT_KEY_EXCHANGE:DH lib) while SSL handshaking, client: 10.13.122.42, server: 0.0.0.0:443

2017/05/05 10:40:33 [notice] 20325#0: signal process started

2017/05/05 10:41:12 [notice] 20357#0: signal process started

2017/05/05 10:43:18 [notice] 20416#0: signal process started

2017/05/05 12:59:34 [notice] 23321#0: signal process started

2017/05/08 10:30:45 [error] 23325#0: *132 open() "/data/nginx/html/favicon.ico" failed (2: No such file or directory), client: 10.13.107.52, server: localhost, request: "GET /favicon.ico HTTP/1.1", host: "dwswiki10", referrer: "http://dwswiki10/"

2017/05/08 10:31:27 [error] 23325#0: *132 open() "/data/nginx/html/xwiki" failed (2: No such file or directory), client: 10.13.107.52, server: localhost, request: "GET /xwiki HTTP/1.1", host: "dwswiki10"

2017/05/08 10:31:44 [error] 23325#0: *140 open() "/data/nginx/html/favicon.ico" failed (2: No such file or directory), client: 10.13.107.52, server: localhost, request: "GET /favicon.ico HTTP/1.1", host: "dwswiki10", referrer: "https://dwswiki10/"

2017/05/08 10:40:43 [notice] 16545#0: signal process started

2017/05/08 10:41:26 [error] 16566#0: *1 open() "/data/nginx/html/favicon.ico" failed (2: No such file or directory), client: 10.13.107.52, server: localhost, request: "GET /favicon.ico HTTP/1.1", host: "dwswiki10"

2017/05/08 10:41:29 [error] 16566#0: *1 open() "/data/nginx/html/favicon.ico" failed (2: No such file or directory), client: 10.13.107.52, server: localhost, request: "GET /favicon.ico HTTP/1.1", host: "dwswiki10"

2017/05/08 10:42:26 [notice] 16651#0: signal process started

 

My conf/nginx.conf:

[root@dwswiki10 conf]# more nginx.conf

 

#user  nobody;

worker_processes  1;

 

#error_log  logs/error.log;

#error_log  logs/error.log  notice;

#error_log  logs/error.log  info;

 

#pid        logs/nginx.pid;

 

 

events {

    worker_connections  1024;

}

 

 

http {

    include       mime.types;

    default_type  application/octet-stream;

 

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '

    #                  '$status $body_bytes_sent "$http_referer" '

    #                  '"$http_user_agent" "$http_x_forwarded_for"';

 

    #access_log  logs/access.log  main;

 

    sendfile        on;

    #tcp_nopush     on;

 

    #keepalive_timeout  0;

    keepalive_timeout  65;

 

    #gzip  on;

 

    server {

        listen       80;

        server_name  localhost;

 

        #charset koi8-r;

 

        #access_log  logs/host.access.log  main;

 

        location / {

            root   html;

            index  index.html index.htm;

        }

 

        #error_page  404              /404.html;

 

        # redirect server error pages to the static page /50x.html

        #

        error_page   500 502 503 504  /50x.html;

        location = /50x.html {

            root   html;

        }

 

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80

        #

        #location ~ \.php$ {

        #    proxy_pass   http://127.0.0.1;

        #}

 

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000

        #

        #location ~ \.php$ {

        #    root           html;

        #    fastcgi_pass   127.0.0.1:9000;

        #    fastcgi_index  index.php;

        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;

        #    include        fastcgi_params;

        #}

 

        # deny access to .htaccess files, if Apache's document root

        # concurs with nginx's one

        #

        #location ~ /\.ht {

        #    deny  all;

        #}

    }

 

 

    # another virtual host using mix of IP-, name-, and port-based configuration

    #

    #server {

    #    listen       8000;

    #    listen       somename:8080;

    #    server_name  somename  alias  another.alias;

 

    #    location / {

    #        root   html;

    #        index  index.html index.htm;

    #    }

    #}

 

 

    # HTTPS server

    #

    server {

        listen       443 ssl;

        server_name  localhost;

 

        ssl_certificate      /data/nginx/keys/dwswiki10.westmarine.net.pem;

        ssl_certificate_key  /data/nginx/keys/dwswiki10.westmarine.net.key;

 

        ssl_session_cache    shared:SSL:1m;

        ssl_session_timeout  5m;

 

        ssl_ciphers  HIGH:!aNULL:!MD5;

        ssl_prefer_server_ciphers  on;

 

        location / {

            root   html;

            index  index.html index.htm;

        }

    }

include ../conf.d/*.conf;

}

 

 

My nginx/conf.d/tomcat.conf:

[root@dwswiki10 nginx]# cat conf.d/tomcat.conf

server {

    listen       80;

    server_name  dwswiki10.westmarine.net;

    # Root to the XWiki application

    root /data/tomcat/webapps/xwiki;

 

    location / {

        #All "root" requests will have /xwiki appended AND redirected to mydomain.com again

        rewrite ^ $scheme://$server_name/xwiki$request_uri? permanent;

    }

 

    location ^~ /xwiki {

       # If path starts with /xwiki - then redirect to backend: XWiki application in Tomcat

       # Read more about proxy_pass: http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_pass

       proxy_pass http://localhost:8080;

       proxy_set_header        X-Real-IP $remote_addr;

       proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;

       proxy_set_header        Host $http_host;

       proxy_set_header        X-Forwarded-Proto $scheme;

    }

}

server {

    listen       443;

    server_name  dwswiki10.westmarine.net;

    # Root to the XWiki application

    root /data/tomcat/webapps/xwiki;

 

    location / {

        #All "root" requests will have /xwiki appended AND redirected to mydomain.com again

        rewrite ^ $scheme://$server_name/xwiki$request_uri? permanent;

    }

 

    location ^~ /xwiki {

       # If path starts with /xwiki - then redirect to backend: XWiki application in Tomcat

       # Read more about proxy_pass: http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_pass

       proxy_pass http://localhost:8080;

       proxy_set_header        X-Real-IP $remote_addr;

       proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;

       proxy_set_header        Host $http_host;

       proxy_set_header        X-Forwarded-Proto $scheme;

    }

 

}

 

 

 

 

 


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RE: NGINX stops redirecting

Douglas Landau

This is CentOS 7.  My /etc/hosts file:

[root@dwswiki10 nginx]# cat /etc/hosts

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4

#::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

 

#127.0.1.1      dwswiki10.westmarine.net dwswiki10

10.13.4.247     dwswiki10.westmarine.net dwswiki10

 

I must confess I don’t understand the 127.0.1.1 line that I commented out.

 

Thanks

Doug

 

BTW Are my nginx/conf/nginx.conf and nginx/conf.d/tomcat.conf “server” sections both correct?  One says localhost where the other has a fully qualified hostname, but also they both have two “server” sections.  Was I supposed to stop using / comment out the two server sections in conf/nginx.conf when I added conf.d/tomcat.conf?

 

My conf/nginx.conf:

[root@dwswiki10 conf]# more nginx.conf

 

#user  nobody;

worker_processes  1;

 

#error_log  logs/error.log;

#error_log  logs/error.log  notice;

#error_log  logs/error.log  info;

 

#pid        logs/nginx.pid;

 

 

events {

    worker_connections  1024;

}

 

 

http {

    include       mime.types;

    default_type  application/octet-stream;

 

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '

    #                  '$status $body_bytes_sent "$http_referer" '

    #                  '"$http_user_agent" "$http_x_forwarded_for"';

 

    #access_log  logs/access.log  main;

 

    sendfile        on;

    #tcp_nopush     on;

 

    #keepalive_timeout  0;

    keepalive_timeout  65;

 

    #gzip  on;

 

    server {

        listen       80;

        server_name  localhost;

 

        #charset koi8-r;

 

        #access_log  logs/host.access.log  main;

 

        location / {

            root   html;

            index  index.html index.htm;

        }

 

        #error_page  404              /404.html;

 

        # redirect server error pages to the static page /50x.html

        #

        error_page   500 502 503 504  /50x.html;

        location = /50x.html {

            root   html;

        }

 

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80

        #

        #location ~ \.php$ {

        #    proxy_pass   http://127.0.0.1;

        #}

 

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000

        #

        #location ~ \.php$ {

        #    root           html;

        #    fastcgi_pass   127.0.0.1:9000;

        #    fastcgi_index  index.php;

        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;

        #    include        fastcgi_params;

        #}

 

        # deny access to .htaccess files, if Apache's document root

        # concurs with nginx's one

        #

        #location ~ /\.ht {

        #    deny  all;

        #}

    }

 

 

    # another virtual host using mix of IP-, name-, and port-based configuration

    #

    #server {

    #    listen       8000;

    #    listen       somename:8080;

    #    server_name  somename  alias  another.alias;

 

    #    location / {

    #        root   html;

    #        index  index.html index.htm;

    #    }

    #}

 

 

    # HTTPS server

    #

    server {

        listen       443 ssl;

        server_name  localhost;

 

        ssl_certificate      /data/nginx/keys/dwswiki10.westmarine.net.pem;

        ssl_certificate_key  /data/nginx/keys/dwswiki10.westmarine.net.key;

 

        ssl_session_cache    shared:SSL:1m;

        ssl_session_timeout  5m;

 

        ssl_ciphers  HIGH:!aNULL:!MD5;

        ssl_prefer_server_ciphers  on;

 

        location / {

            root   html;

            index  index.html index.htm;

        }

    }

include ../conf.d/*.conf;

}

 

 

My nginx/conf.d/tomcat.conf:

[root@dwswiki10 nginx]# cat conf.d/tomcat.conf

server {

    listen       80;

    server_name  dwswiki10.westmarine.net;

    # Root to the XWiki application

    root /data/tomcat/webapps/xwiki;

 

    location / {

        #All "root" requests will have /xwiki appended AND redirected to mydomain.com again

        rewrite ^ $scheme://$server_name/xwiki$request_uri? permanent;

    }

 

    location ^~ /xwiki {

       # If path starts with /xwiki - then redirect to backend: XWiki application in Tomcat

       # Read more about proxy_pass: http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_pass

       proxy_pass http://localhost:8080;

       proxy_set_header        X-Real-IP $remote_addr;

       proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;

       proxy_set_header        Host $http_host;

       proxy_set_header        X-Forwarded-Proto $scheme;

    }

}

server {

    listen       443;

    server_name  dwswiki10.westmarine.net;

    # Root to the XWiki application

    root /data/tomcat/webapps/xwiki;

 

    location / {

        #All "root" requests will have /xwiki appended AND redirected to mydomain.com again

        rewrite ^ $scheme://$server_name/xwiki$request_uri? permanent;

    }

 

    location ^~ /xwiki {

       # If path starts with /xwiki - then redirect to backend: XWiki application in Tomcat

       # Read more about proxy_pass: http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_pass

       proxy_pass http://localhost:8080;

       proxy_set_header        X-Real-IP $remote_addr;

       proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;

       proxy_set_header        Host $http_host;

       proxy_set_header        X-Forwarded-Proto $scheme;

    }

 

}

 

 

 

 

From: Douglas Landau
Sent: Monday, May 08, 2017 3:18 PM
To: '[hidden email]'
Subject: NGINX stops redirecting

 

For some reason NGINX sometimes stops serving my tomcat pages and starts wanting to serve pages from .../nginx/html/.

 

I don’t get it.  On Friday, at 13:39, I was happily browsing my XWiki site, as you can see from the NGINX access_log.  Then from that log you see no activity until 10:31 this morning, at which time it no longer wants to redirect hits to port 8080 or to /xwiki, it just wants to serve from its own html/ subdir. 

 

When I come in this morning, When I go to hit the site NGINX shows me the placeholder page, .../nginx/html/index.html, which starts out "If you can see this page, ..."

 

I can still hit my xwiki at :8080/xwiki.   It has not been restarted, altho so what if it had?

NGINX has not been restarted, and the config files (conf/nginx.conf, conf.d/tomcat.conf) have not changed.

 

Anybody else seen this?  Why did it change behavior, and doe it have anything to do with the "signal process started" messages?

 

Thanks.  Sorry if this is already discussed I just now koined the mailing list and will look thru the archives now.

 

NGINX Access log, showing a few hits to xwiki at 13:39 on 05/05, then non-redirected hits at 10:31-10:41 AM on 05/08

------------------

10.13.107.52 - - [05/May/2017:13:39:39 -0700] "GET /xwiki/bin/get/Portfolio%20Management/Project%20Budget/WebHome?outputSyntax=plain&sheet=XWiki.DocumentTree&showAttachments=false&showTranslations=false&&data=children&id=document%3Axwiki%3APortfolio+Management.WebHome HTTP/1.1" 200 1671 "http://dwswiki10.westmarine.net/xwiki/bin/view/Portfolio%20Management/Project%20Budget/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [05/May/2017:13:39:41 -0700] "GET /xwiki/bin/get/Portfolio%20Management/Project%20Budget/WebHome?outputSyntax=plain&sheet=XWiki.DocumentTree&showAttachments=false&showTranslations=false&&data=children&id=document%3Axwiki%3APortfolio+Management.Projects.WebHome HTTP/1.1" 200 1178 "http://dwswiki10.westmarine.net/xwiki/bin/view/Portfolio%20Management/Project%20Budget/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [05/May/2017:13:39:43 -0700] "GET /xwiki/bin/get/Portfolio%20Management/Project%20Budget/WebHome?outputSyntax=plain&sheet=XWiki.DocumentTree&showAttachments=false&showTranslations=false&&data=children&id=document%3Axwiki%3APortfolio+Management.Projects.Project+A.WebHome HTTP/1.1" 200 4330 "http://dwswiki10.westmarine.net/xwiki/bin/view/Portfolio%20Management/Project%20Budget/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [05/May/2017:13:39:45 -0700] "GET /xwiki/bin/get/Portfolio%20Management/Project%20Budget/WebHome?outputSyntax=plain&sheet=XWiki.DocumentTree&showAttachments=false&showTranslations=false&&data=children&id=document%3Axwiki%3APortfolio+Management.Projects.Project+A.Design.WebHome HTTP/1.1" 200 6935 "http://dwswiki10.westmarine.net/xwiki/bin/view/Portfolio%20Management/Project%20Budget/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [08/May/2017:10:30:44 -0700] "GET / HTTP/1.1" 200 612 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [08/May/2017:10:30:45 -0700] "GET /favicon.ico HTTP/1.1" 404 571 "http://dwswiki10/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [08/May/2017:10:31:27 -0700] "GET /xwiki HTTP/1.1" 404 571 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [08/May/2017:10:31:44 -0700] "GET / HTTP/1.1" 200 612 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [08/May/2017:10:31:44 -0700] "GET /favicon.ico HTTP/1.1" 404 571 "https://dwswiki10/" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"

10.13.107.52 - - [08/May/2017:10:41:26 -0700] "GET / HTTP/1.1" 200 612 "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)"

10.13.107.52 - - [08/May/2017:10:41:26 -0700] "GET /favicon.ico HTTP/1.1" 404 571 "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)"

10.13.107.52 - - [08/May/2017:10:41:29 -0700] "GET / HTTP/1.1" 304 0 "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)"

10.13.107.52 - - [08/May/2017:10:41:29 -0700] "GET /favicon.ico HTTP/1.1" 404 571 "-" "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E)"

 

 

 

NGINX error log, showing some " signal process started" messages:

--------------------------------

2017/05/05 00:27:05 [error] 14431#0: *6148 open() "/data/nginx/html/servlet/admin" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /servlet/admin?category=server&method=listAll&Authorization=Digest+username%3D%22admin%22%2C+response%3D%22ae9f86d6beaa3f9ecb9a5b7e072a4138%22%2C+nonce%3D%222b089ba7985a883ab2eddcd3539a6c94%22%2C+realm%3D%22adminRealm%22%2C+uri%3D%22%2Fservlet%2Fadmin%22&service= HTTP/1.0"

2017/05/05 00:27:05 [error] 14431#0: *6152 open() "/data/nginx/html/servlet/admin" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /servlet/admin?category=server&method=listAll&Authorization=Digest+username%3D%22admin%22%2C+response%3D%22ae9f86d6beaa3f9ecb9a5b7e072a4138%22%2C+nonce%3D%222b089ba7985a883ab2eddcd3539a6c94%22%2C+realm%3D%22adminRealm%22%2C+uri%3D%22%2Fservlet%2Fadmin%22&service= HTTP/1.0"

2017/05/05 00:27:05 [error] 14431#0: *6156 "/data/nginx/html/HTTP1.0/index.html" is not found (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /HTTP1.0/"

2017/05/05 00:27:12 [error] 14431#0: *6443 open() "/data/nginx/html/home.htm" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /home.htm HTTP/1.1", host: "10.13.4.247"

2017/05/05 00:27:16 [error] 14431#0: *6550 open() "/data/nginx/html/spipe" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "POST /spipe?Source=nessus HTTP/1.0"

2017/05/05 00:27:16 [error] 14431#0: *6552 open() "/data/nginx/html/spipe" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "POST /spipe?Source=nessus HTTP/1.0"

2017/05/05 00:27:20 [error] 14431#0: *6661 open() "/data/nginx/html/logout" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /logout HTTP/1.0"

2017/05/05 00:27:20 [error] 14431#0: *6668 open() "/data/nginx/html/logout" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /logout HTTP/1.0"

2017/05/05 00:27:22 [error] 14431#0: *6752 open() "/data/nginx/html/yYWiy2DH.asp" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET //yYWiy2DH.asp HTTP/1.0"

2017/05/05 00:27:22 [error] 14431#0: *6757 open() "/data/nginx/html/tnq0ObbP.asp" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET //tnq0ObbP.asp HTTP/1.0"

2017/05/05 00:27:25 [error] 14431#0: *6882 open() "/data/nginx/html/content/YmEIoHwZQ6.mp3" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /content/YmEIoHwZQ6.mp3 HTTP/1.0"

2017/05/05 00:27:25 [error] 14431#0: *6885 open() "/data/nginx/html/content/YmEIoHwZQ6.mp3" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /content/YmEIoHwZQ6.mp3 HTTP/1.0"

2017/05/05 00:27:46 [error] 14431#0: *7313 open() "/data/nginx/html/iControl/iControlPortal.cgi" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "POST http://127.0.0.1/iControl/iControlPortal.cgi HTTP/1.1", host: "dwswiki10.westmarine.net"

2017/05/05 00:27:46 [error] 14431#0: *7315 open() "/data/nginx/html/iControl/iControlPortal.cgi" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "POST http://127.0.0.1/iControl/iControlPortal.cgi HTTP/1.1", host: "dwswiki10.westmarine.net"

2017/05/05 00:27:47 [error] 14431#0: *7342 open() "/data/nginx/html/.anydomain.test" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /.anydomain.test HTTP/1.0"

2017/05/05 00:27:47 [error] 14431#0: *7343 open() "/data/nginx/html/.anydomain.test" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /.anydomain.test HTTP/1.0"

2017/05/05 00:27:47 [error] 14431#0: *7345 open() "/data/nginx/html/index.jsp" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /index.jsp HTTP/1.1", host: "sjfklsjfkldfjklsdfjdlksjfdsljk.foo."

2017/05/05 00:27:48 [error] 14431#0: *7351 open() "/data/nginx/html/index.jsp" failed (2: No such file or directory), client: 10.13.122.42, server: localhost, request: "GET /index.jsp HTTP/1.1", host: "sjfklsjfkldfjklsdfjdlksjfdsljk.foo."

2017/05/05 00:27:50 [crit] 14431#0: *7396 SSL_do_handshake() failed (SSL: error:14094085:SSL routines:SSL3_READ_BYTES:ccs received early) while SSL handshaking, client: 10.13.122.42, server: 0.0.0.0:443

2017/05/05 00:27:50 [crit] 14431#0: *7397 SSL_do_handshake() failed (SSL: error:05066066:Diffie-Hellman routines:COMPUTE_KEY:invalid public key error:1408B005:SSL routines:SSL3_GET_CLIENT_KEY_EXCHANGE:DH lib) while SSL handshaking, client: 10.13.122.42, server: 0.0.0.0:443

2017/05/05 10:40:33 [notice] 20325#0: signal process started

2017/05/05 10:41:12 [notice] 20357#0: signal process started

2017/05/05 10:43:18 [notice] 20416#0: signal process started

2017/05/05 12:59:34 [notice] 23321#0: signal process started

2017/05/08 10:30:45 [error] 23325#0: *132 open() "/data/nginx/html/favicon.ico" failed (2: No such file or directory), client: 10.13.107.52, server: localhost, request: "GET /favicon.ico HTTP/1.1", host: "dwswiki10", referrer: "http://dwswiki10/"

2017/05/08 10:31:27 [error] 23325#0: *132 open() "/data/nginx/html/xwiki" failed (2: No such file or directory), client: 10.13.107.52, server: localhost, request: "GET /xwiki HTTP/1.1", host: "dwswiki10"

2017/05/08 10:31:44 [error] 23325#0: *140 open() "/data/nginx/html/favicon.ico" failed (2: No such file or directory), client: 10.13.107.52, server: localhost, request: "GET /favicon.ico HTTP/1.1", host: "dwswiki10", referrer: "https://dwswiki10/"

2017/05/08 10:40:43 [notice] 16545#0: signal process started

2017/05/08 10:41:26 [error] 16566#0: *1 open() "/data/nginx/html/favicon.ico" failed (2: No such file or directory), client: 10.13.107.52, server: localhost, request: "GET /favicon.ico HTTP/1.1", host: "dwswiki10"

2017/05/08 10:41:29 [error] 16566#0: *1 open() "/data/nginx/html/favicon.ico" failed (2: No such file or directory), client: 10.13.107.52, server: localhost, request: "GET /favicon.ico HTTP/1.1", host: "dwswiki10"

2017/05/08 10:42:26 [notice] 16651#0: signal process started

 

My conf/nginx.conf:

[root@dwswiki10 conf]# more nginx.conf

 

#user  nobody;

worker_processes  1;

 

#error_log  logs/error.log;

#error_log  logs/error.log  notice;

#error_log  logs/error.log  info;

 

#pid        logs/nginx.pid;

 

 

events {

    worker_connections  1024;

}

 

 

http {

    include       mime.types;

    default_type  application/octet-stream;

 

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '

    #                  '$status $body_bytes_sent "$http_referer" '

    #                  '"$http_user_agent" "$http_x_forwarded_for"';

 

    #access_log  logs/access.log  main;

 

    sendfile        on;

    #tcp_nopush     on;

 

    #keepalive_timeout  0;

    keepalive_timeout  65;

 

    #gzip  on;

 

    server {

        listen       80;

        server_name  localhost;

 

        #charset koi8-r;

 

        #access_log  logs/host.access.log  main;

 

        location / {

            root   html;

            index  index.html index.htm;

        }

 

        #error_page  404              /404.html;

 

        # redirect server error pages to the static page /50x.html

        #

        error_page   500 502 503 504  /50x.html;

        location = /50x.html {

            root   html;

        }

 

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80

        #

        #location ~ \.php$ {

        #    proxy_pass   http://127.0.0.1;

        #}

 

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000

        #

        #location ~ \.php$ {

        #    root           html;

        #    fastcgi_pass   127.0.0.1:9000;

        #    fastcgi_index  index.php;

        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;

        #    include        fastcgi_params;

        #}

 

        # deny access to .htaccess files, if Apache's document root

        # concurs with nginx's one

        #

        #location ~ /\.ht {

        #    deny  all;

        #}

    }

 

 

    # another virtual host using mix of IP-, name-, and port-based configuration

    #

    #server {

    #    listen       8000;

    #    listen       somename:8080;

    #    server_name  somename  alias  another.alias;

 

    #    location / {

    #        root   html;

    #        index  index.html index.htm;

    #    }

    #}

 

 

    # HTTPS server

    #

    server {

        listen       443 ssl;

        server_name  localhost;

 

        ssl_certificate      /data/nginx/keys/dwswiki10.westmarine.net.pem;

        ssl_certificate_key  /data/nginx/keys/dwswiki10.westmarine.net.key;

 

        ssl_session_cache    shared:SSL:1m;

        ssl_session_timeout  5m;

 

        ssl_ciphers  HIGH:!aNULL:!MD5;

        ssl_prefer_server_ciphers  on;

 

        location / {

            root   html;

            index  index.html index.htm;

        }

    }

include ../conf.d/*.conf;

}

 

 

My nginx/conf.d/tomcat.conf:

[root@dwswiki10 nginx]# cat conf.d/tomcat.conf

server {

    listen       80;

    server_name  dwswiki10.westmarine.net;

    # Root to the XWiki application

    root /data/tomcat/webapps/xwiki;

 

    location / {

        #All "root" requests will have /xwiki appended AND redirected to mydomain.com again

        rewrite ^ $scheme://$server_name/xwiki$request_uri? permanent;

    }

 

    location ^~ /xwiki {

       # If path starts with /xwiki - then redirect to backend: XWiki application in Tomcat

       # Read more about proxy_pass: http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_pass

       proxy_pass http://localhost:8080;

       proxy_set_header        X-Real-IP $remote_addr;

       proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;

       proxy_set_header        Host $http_host;

       proxy_set_header        X-Forwarded-Proto $scheme;

    }

}

server {

    listen       443;

    server_name  dwswiki10.westmarine.net;

    # Root to the XWiki application

    root /data/tomcat/webapps/xwiki;

 

    location / {

        #All "root" requests will have /xwiki appended AND redirected to mydomain.com again

        rewrite ^ $scheme://$server_name/xwiki$request_uri? permanent;

    }

 

    location ^~ /xwiki {

       # If path starts with /xwiki - then redirect to backend: XWiki application in Tomcat

       # Read more about proxy_pass: http://nginx.org/en/docs/http/ngx_http_proxy_module.html#proxy_pass

       proxy_pass http://localhost:8080;

       proxy_set_header        X-Real-IP $remote_addr;

       proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;

       proxy_set_header        Host $http_host;

       proxy_set_header        X-Forwarded-Proto $scheme;

    }

 

}

 

 

 

 

 


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Re: NGINX stops redirecting

Francis Daly
In reply to this post by Douglas Landau
On Mon, May 08, 2017 at 03:17:53PM -0700, Douglas Landau wrote:

Hi there,

> I don't get it.  On Friday, at 13:39, I was happily browsing my XWiki site, as you can see from the NGINX access_log.  Then from that log you see no activity until 10:31 this morning, at which time it no longer wants to redirect hits to port 8080 or to /xwiki, it just wants to serve from its own html/ subdir.
>

On Friday, your client was accessing things below
http://dwswiki10.westmarine.net/

On Monday, your client was accessing things below http://dwswiki10/

They are different requests.

Your config snippets show that those two requests are handled in different
server{} blocks.

Because dwswiki10 is not explicit anywhere, it will be handled in the
first server{} here:

> [root@dwswiki10 conf]# more nginx.conf

> http {
>     server {
>         listen       80;
>         server_name  localhost;
>         location / {
>             root   html;
>             index  index.html index.htm;
>         }
>
>     }
> include ../conf.d/*.conf;
> }

while you probably want it to be handled in this server{}

> [root@dwswiki10 nginx]# cat conf.d/tomcat.conf
> server {
>     listen       80;
>     server_name  dwswiki10.westmarine.net;

Either add "default_server" to the "listen" line, or add "dwswiki10"
to the "server_name" line. Or add a new server{} which redirects from
dwswiki10 to dwswiki10.westmarine.net.

Good luck with it,

        f
--
Francis Daly        [hidden email]
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