NULL write handler

hi,

I am running a linux box (kernel 2.2.7) with squid-2.2STABLE2
I have the following message in my cache.log:

1999/05/31 10:39:48| comm_poll_incoming: NULL write handler

what is the meaning of the message and how to solve this
problem?

Thanks
Received on Mon May 31 1999 - 00:23:57 MDT