2010-04-08 17:30:41 ISTLOG: could not receive test message on socket for
statistics collector: Connection refused
2010-04-08 17:30:41 ISTLOG: disabling statistics collector for lack of
working socket
I remember having the same problem last week and after debugging found that my loopback wasn't working.
Can you check if ping 127.0.0.1 is working if not start the loopback interface.
Thanks,
Sivakumar.K