Hi Holger,
On 09/29/2010 04:53 PM, King Holger (CI/AFP2) wrote:
> In production environment, we discover connection switches from
> "rb-wcmstc1" to "rb-wcmstc2" and vice versa (documented in the
> Tomcat-Logs) for the same Session-ID:
[...]
> Although, the "stickysession" attribute is set properly using the
> "JSESSIONID" cookie name and the Apache-Tomcat instances are up and
> running, the connection SWITCHES. Why?
It looks like you did not set the jvmRoute-Attribute of the Engine tag
in your Tomcat configuration to "rb-wcmstc1" on the first and
"rb-wcmstc2" on the second server.
mod_proxy_ajp (used by mod_proxy_balancer) identifies the Tomcat-backend
holding the session by looking up a suffix added to the JSESSIONID
cookie value. You can easily check whether the suffix is set or not by
logging the session id in the Tomcat access log (%S) or by logging
Cookie and Set-Cookie HTTP headers (logpattern: %{Cookie}i and
%{Set-Cookie}o) in your httpd access log.
Regards,
Thomas
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