In fileConfig(), only the logging module is checked for
handler names.

klass = eval(klass, vars(logging))
...
args = eval(args, vars(logging))

This prevents the user from using handlers which are
defined in logging.handlers. 

A quick and dirty fix that seems to work for me is

klass = eval(klass, dict(vars(logging).items() +
vars(logging.handlers).items()))
...
args = eval(args, dict(vars(logging).items() +
vars(logging.handlers).items()))

This is almost certainly not the best way to do it, but
it Works For Me (TM)

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You can put a qualified name in the config file - 
e.g. "handlers.HTTPHandler".

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Ah ok, that works much better. I was mislead by the examples
given in the docs:

http://www.python.org/doc/lib/logging-config-fileformat.html

[handler_hand06]
class=NTEventLogHandler
level=CRITICAL
formatter=form06
args=('Python Application', '', 'Application')

and similarly for hand07, 08 and 09, the fully qualified
name is not used. Presumably the docs are in error here. If
this is the case, should I file a new bug, or can it be
handled from here?

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Yes, it was a bug in the docs. Now fixed in CVS. Thanks.