It doesn't move in stickysession when not Cookie but URL is used when 
stickysession of the ProxyPass directive is specified when mod_proxy_balancer 
is used. 

Patch that enables operation is put up to the following. 
Please apply it to mod_proxy_bakancer.c. 

--- mod_proxy_balancer-old.c    2005-12-02 20:04:48.000000000 +0900
+++ mod_proxy_balancer.c        2005-12-02 20:05:51.000000000 +0900
@@ -113,7 +113,7 @@
     char *path = NULL;

     for (path = strstr(url, name); path; path = strstr(path + 1, name)) {
-        path += (strlen(name) + 1);
+        path += strlen(name);
         if (*path == '=') {
             /*
              * Session path was found, get it's value