Two system's RT2 on the one computer

hi all

I have a problem: I wont put in monit two ( or more )system’s RT2 on only
one computer. I change Makefile and to compile. Problem
get up when I imperf apache. I have message:

/etc/init.d/httpd restart

Stopping httpd: [ OK ]
Starting httpd: Processing config directory: /etc/httpd/conf.d
Processing config file: /etc/httpd/conf.d/httpd.conf
Subroutine SetContentType redefined at /home/rt2_2/bin/ line 84.
Subroutine handler redefined at /home/rt2_2/bin/ line 114.
[ OK ]

If it possble to start to independet RT2.
I’ve got RT 2.0.4