CentOS - Jul 2010 - error: _IceTransSocketUNIXConnect: Cannot connect to non-local host [hostname]

When launching oowriter and other apps, I get this error:

_IceTransSocketUNIXConnect: Cannot connect to non-local host myh.dom.tld

The app -- oowriter or whatever I happen to be invoking-- starts okay.
But this error message tells me something's not right.

Curiously, the "hostname" command yields "myhost", but
"hostname -f"
yields "localhost.localdomain".  Doing "ifconfig eth0"
specifies the
correct IP address for this system.  And the listing in /etc/hosts for
that IP address does specify myh.dom.tld.


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