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[Sebastian Spaeth]

On Tue, 04 Oct 2011 13:59:35 -0500, John Wiegley <jwiegley at gmail.com> wrote:
> I left Offlineimap running overnight, and here is what I woke up to.  I've
> seen this several times before when I leave things running for a while:

Pushed below to my next branch, which will protect against the dropped
connection in noop at least.

commit 76b0d7cf25ac3049529b3afda906b1207bd708db
Author: Sebastian Spaeth <Sebastian at SSpaeth.de>
Date:   Wed Oct 5 18:18:55 2011 +0200

imapserver: Make noop() more resitent against dropped connections.
    
Drop a connection, if the NOOP to keep a connection open fails due to
broken connections.
    
Note that I believe this function is not working as intended. We grab
one random connection and send a NOOP. This is not enough to keep all
connections open, and if we invoke this function multiple times, we
might well always get the same connection to send a NOOP through.
    
Signed-off-by: Sebastian Spaeth <Sebastian at SSpaeth.de>
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