[Bug 275233] Akonadi creates a lot of empty duplicates/conflicting version

[S. Burmeister]

https://bugs.kde.org/show_bug.cgi?id=275233





--- Comment #3 from S. Burmeister <sven burmeister gmx net>  2011-07-12 13:11:35 ---
I might have some hints towards reproducing this.

- Create filters that move emails from your imap inbox to local folders
- Mark some threads that still receive emails as "ignore" on that box
- change the local folder, e.g. open the trash
- use another computer to access the same imap account (no filters) with kmail
and read some of the messages that are going to be marked as ignored on the
other box.
(- while the messages are already moved (status unseen) to a local folder on
the first box the second one can still access them until the account is checked
again, maybe because akonadi cached them) [this is optional]


Second scenario:
- set-up filters to move email to a local folder on one box
- retrieve emails with that box. kmail will only download their headers and
show them in the list
- next kmail will try to download the content of the emails to filter them,
i.e. the content is not yet available to kmail and clicking on one of them
would start to download the content
- make your internet connection fail, i.e. no traffic but no disconnection
either
- now restart akonadi or kmail, suspending might already do the trick, maybe
even going offline and online.
- next time kmail will try to retrieve the emails it might succeed and retrieve
the full email - however there will be a conflict because apparently the email
(only headers) does already exist and thus the version conflict window shows
the first attempt email as empty, i.e. no data and the second with full content
and a date/time-stamp of some minutes later than the first one.

The second example would only make sense if my assumption is correct that the
version conflict GUI does not show headers but only the "full payload"
including headers.

I have logged what happens if such a conflict comes up.

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