AH00011: ap_cookie: client submitted cookie more than once:

[Robert Egan]

We are running Jira and Confluence behind a reverse proxy server and are getting multiple occurrences of the following error in the apache log file

AH00011: ap_cookie: client submitted cookie 'session' more than once

The following directives are in our httpd.conf

LoadModule session_cookie_module modules/mod_session_cookie.so
Session on
SessionCookieName session httponly;secure;