Server responded: ('NO', ['[ALREADYEXISTS] Duplicate folder name?(Failure)'])

ael law_ence.dev at ntlworld.com
Wed May 2 11:13:31 BST 2012


On Wed, May 02, 2012 at 08:55:32AM +0000, Alex S√łndergaard wrote:
> Hi,
> 
> > I seem to have sorted this out, so no need for anyone to waste time
> > replying. Apologies for the noise.

I thought that it was my fault because I had forgotten to clear the
cache. But if you look at my later posts, you will see that it
reappeared.

In my case, the problem only arose on empty folders, and removing them
from the local Maildir appeared to solve the problem.

However, I suspect that this is just another manifestation of underlying
longstanding race conditions which are of course notoriously difficult
to debug and highly nondeterministic. But that is only a suspicion
based on apparent random deadlocks and other transient problems
which may, or may not, be modified by using the "-1" option. And
often go away when debugging is turned on.

Developers tend not to see the problem because the code is necessarily
tuned to work on their particular machines.

Of course, it is complicated by all the different imap servers
out there with their own quirks...

ael




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