Nginx Load balancer mode for JBoss / Icefaces application

Srinivasan Subramanian ssrini_vasan at
Mon Nov 14 13:04:39 UTC 2011

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
upstream int-lb {        server;        server;}
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.

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