Nginx Load balancer mode for JBoss / Icefaces application

[Srinivasan Subramanian]

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: nbubingo at gmail.com
To: nginx at nginx.org

“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/  

2011/11/14 Srinivasan Subramanian <ssrini_vasan at hotmail.com>








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;
    }}
Thanks in advance for all assistance.


Regards
Srini 		 	   		  

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