sudo - unable to lookup host via gethostbyname()

[Shawn Lamson <madzimambo@yahoo.com>]

Hi all - 

I changed my hostname from callerio to callerio.piscat.nj and now when
i 
invoke "sudo" i get the followin message:
slamson@callerio:~$ sudo -v
sudo: unable to lookup callerio.piscat.nj via gethostbyname()

this follows across reboots, if however i echo "callerio" back into 
/proc/sys/kernel/hostname
I no longer get that message... after giving that message sudo
continues to function normally, whatever hostname is set to.  Any idea
what causes this?  

Shawn

=====
Shawn Lamson
Debian Gnu\Linux Sid
Kernel 2.4.19-custom
XFree86 Version 4.2.1

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