# Nginx Load balancer mode for JBoss / Icefaces application **URL:** \ **Category:** NGINX\ **Created:** [November 14, 2011, 2:05pm UTC](https://www.ruby-forum.com/t/nginx-load-balancer-mode-for-jboss-icefaces-application/213855 "2011-11-14T14:05:32Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![luislavena](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/l/0ea827/32.png) [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Post date:** [November 14, 2011, 2:05pm UTC](https://www.ruby-forum.com/t/nginx-load-balancer-mode-for-jboss-icefaces-application/213855/1 "2011-11-14T14:05:32Z")
Hello We have setup nginx as a Loadbalancer on Centos 5.2 x64. nginx is acting as a LB for a web application developed using Java servlets and Icefaces (1.8.2). The web application is deployed on JBoss 5.1. After configuration nginx is able to redirect the queries to the upstream servers properly. However the session information is not being passed through or is being modified. So the Icefaces servlet is repeatedly refreshing the login page every few seconds and keeps creating new sessions. Please advise on any additional settings that need to be made. The current settings are: (nginx is running on 192.168.1.137) upstream int-lb { server 192.168.1.139:8080; server 192.168.1.138:8080;} server { listen 80; server\_name int-lb; #charset koi8-r; access\_log /var/log/nginx/host.access.log main; error\_log /var/log/nginx/host.error.log debug; root /usr/app/jboss5/server/default/deploy/admin-console.war; location / { proxy\_set\_header X-Forwarded-Host $host; proxy\_set\_header X-Forwarded-Server $host; proxy\_set\_header X-Forwarded-For $proxy\_add\_x\_forwarded\_for; proxy\_pass [http://int-lb](http://int-lb); }} Thanks in advance for all assistance. Regards Srini ---
**Author:** ![admin123](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/45deac/32.png) [@admin123](https://www.ruby-forum.com/u/admin123)\ **Post date:** [November 15, 2011, 3:48am UTC](https://www.ruby-forum.com/t/nginx-load-balancer-mode-for-jboss-icefaces-application/213855/2 "2011-11-15T03:48:17Z")
However the session information is not being passed through or is being modified. How do you know that? I think the problem is the session is sent to be the wrong jboss server. If the Jboss uses the similar session sticky way as Tomcat/Resin, you can use my nginx\_jvm\_route\_module: [http://code.google.com/p/nginx-upstream-jvm-route/](http://code.google.com/p/nginx-upstream-jvm-route/) 2011/11/14 Srinivasan S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) ---
**Author:** ![admin123](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/45deac/32.png) [@admin123](https://www.ruby-forum.com/u/admin123)\ **Post date:** [November 15, 2011, 4:19am UTC](https://www.ruby-forum.com/t/nginx-load-balancer-mode-for-jboss-icefaces-application/213855/3 "2011-11-15T04:19:06Z")
Hi You were bang on! Thanks. That was the issue. For now i introduced the ip\_hask; key for now in the upstream section and that fixed it. I will try your module. We want to actually also implement the HttpUpstreamFairModule to improve the distribution. Will the sticky session module that you linked to work in conjunction with that? Thanks for your timely help, greatly appreciated. Regards Date: Tue, 15 Nov 2011 10:47:53 +0800 Subject: Re: Nginx Load balancer mode for JBoss / Icefaces application From: removed\_email\_address@domain.invalid To: removed\_email\_address@domain.invalid However the session information is not being passed through or is being modified. How do you know that? I think the problem is the session is sent to be the wrong jboss server. If the Jboss uses the similar session sticky way as Tomcat/Resin, you can use my nginx\_jvm\_route\_module: [http://code.google.com/p/nginx-upstream-jvm-route/](http://code.google.com/p/nginx-upstream-jvm-route/) 2011/11/14 Srinivasan S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) Hello We have setup nginx as a Loadbalancer on Centos 5.2 x64. nginx is acting as a LB for a web application developed using Java servlets and Icefaces (1.8.2). The web application is deployed on JBoss 5.1. After configuration nginx is able to redirect the queries to the upstream servers properly. However the session information is not being passed through or is being modified. So the Icefaces servlet is repeatedly refreshing the login page every few seconds and keeps creating new sessions. Please advise on any additional settings that need to be made. The current settings are: (nginx is running on 192.168.1.137) upstream int-lb { server 192.168.1.139:8080; server 192.168.1.138:8080; } server { listen 80; server\_name int-lb; #charset koi8-r; access\_log /var/log/nginx/host.access.log main; error\_log /var/log/nginx/host.error.log debug; root /usr/app/jboss5/server/default/deploy/admin-console.war; ``` location / { proxy_set_header X-Forwarded-Host $host; ``` proxy\_set\_header X-Forwarded-Server $host; proxy\_set\_header X-Forwarded-For $proxy\_add\_x\_forwarded\_for; proxy\_pass [http://int-lb](http://int-lb); }} Thanks in advance for all assistance. Regards Srini * * * nginx mailing list removed\_email\_address@domain.invalid [http://mailman.nginx.org/mailman/listinfo/nginx](http://mailman.nginx.org/mailman/listinfo/nginx)