Running without the Apache Bridge

Recently we decided to try running our weblogic 10.x servers without the apache bridge layer. We used our load balancer to accomplish across 6 managed servers on 3 physical servers. about the same time we started to have issue with clients trying to login the site that was being powered by Weblogic Portal. Could these be related? Does Apache bridge do more than just proxy the requests? Does it supply some sort of persistence that maybe our load balancer is failing to provide? Maybe another cookie or header value?

Typically for Web Applications - requests should go to Loadbalancer --> Loadbalancer proxies requests to Webservers (Apache) --> which in turns sends requests to backend Weblogic server instances.
However we can even have Loadbalancer to proxy requests to Weblogic App servers by eliminatinf webserver layer.
using Apache Webserver proxy plugin to proxy request to Weblogic App servers is more effective - Apache proxy plugin does loadbalancing of requests to backend Weblogic servers , if you are using cluster setup and session persistance, Apache proxy plugin will be taking care of session failover mechanism (it will replicate session information of failed server to other active running server so that user will not lose this session information).
By using Loadbalancer to proxy requests to Weblogic servers you might be achieving loadbalancing of requests, but it will not support session failover & other features of backend Weblogic cluster.
Hope this helps
- - Weblogic Consultant

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