you solution does not work to me on F17

---------- Post added at 11:02 AM ---------- Previous post was at 10:51 AM ----------
There is something like this in httpd.conf, what I have missed before. But it's does not help too
# PidFile: The file in which the server should record its process
# identification number when it starts. Note the PIDFILE variable in
# /etc/sysconfig/httpd must be set appropriately if this location is
# changed.