If logging.config.fileConfig() is called after logging
handlers already exist, a KeyError is thrown in the
atexit call to logging.shutdown().

This looks like it's fixed in the 2.5 branch but since
I've bothered to figure out what was going on I'm
sending this in anyway. There still might be a 2.4.4,
right? (Also, my fix looks better than what was done
for 2.5, but I suppose the flush/close I added may not
be necessary.)

Attached is a demo and a patch against 2.4.3.

Thanks,
Mike

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Bug confirmed in release24-maint. Patch looks good to me,
although I think the developers prefer unified diffs, not
contextual, just to keep in mind for the future. And also, I
had to manually patch the Lib/logging/config.py file because
for some reason, the paths in your patch all use lowercase
letters.

Thanks for the patch.

Fix for SF #1632328 should cover this - checked into release24-maint.

Note, though, that there's no planned "next release" of 2.4. 

2.4 is in "emergency security fix mode" - that is, unless someone finds a critical security problem, I don't plan to make further 2.4.x releases.

If someone else wants to volunteer, of course, that's entirely fine.