I've turned on sticksessions in apache. Config is at: http://pastie.org/private/7e9idebbk5jhmsyd8r4kew
The logs show apache finding the cookie but it still doesn't remain sticky to one of the servers in the balancer. Filtered log is:
They need to provide that information in their cookies in order for Apache to know what member to send to; such as
What's the back-end web service? It'll be a setting there, if it supports it. Alternatively, you can have Apache set a cookie directly for tracking the stickiness, avoiding the need to use the back-end's session ID. Info on doing that here.