[Akonadi] [Bug 283682] KMail duplicates filtered messages

[Joachim Wagner]

https://bugs.kde.org/show_bug.cgi?id=283682

Joachim Wagner <jwagner at computing.dcu.ie> changed:

           What    |Removed                     |Added
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                 CC|                            |jwagner at computing.dcu.ie

--- Comment #80 from Joachim Wagner <jwagner at computing.dcu.ie> ---
The bug seems to be triggered by something that doesn't happen very often. I've
been using kmail in kontact 4.11.5 for 8 days without problems and now just got
hit by this bug.

While this report is not for the most recent version, the following
observations may help the developers to reproduce the bug. Like other bug
reporters above, I cannot attach akonida debug log files as they contain
confidential information.

Setup:
 * fresh OpenSUSE 13.1 with default updates (kmail/kontact 4.11.5)
 * fresh home directory
 * pop3 account connected to inbox
 * approximately 80 destination folders under "Local Folders"
 * no automatic filters defined
 * manually moving e-mails to destination folders
 * often using the "Search" input field over the message list and selecting
multiple messages (shift + left click or ctrl + left click) to move multiple
messages in one go

Observation:
 * in my case, the problem seems to be related to a specific local destination
folder (it was newly created just before the bug was observed, let's call this
folder "A") as the moved message doesn't re-appear as a duplicate in the inbox
if I move it to a different destination folder (let's call it "B") and press F5
 * if I move the message from folder B to folder A, it is still duplicated in
folder B (after pressing F5) but not in the inbox
 * if I create a new local folder "C", move the message from B to C and press
F5, everything is normal
 * however, if I create "C2" under the A or the parent of A (which had been
created just seconds before A) and move a message to it, duplication occurs

Workaround 1:
 * the "copy first, then delete with ctrl-del" trick worked for me

Workaround 2:
 * create a new folder "A-Parent-2" and subfolder "A2"
 * move message from A to A2
 * press F5 (no duplicates should re-appear in A)
 * select A2 and run "Folder - Remove Duplicate Messages"
 * delete empty folders A and A-Parent
 * rename A2 to A  and A-Parent-2 to A-Parent

JJ

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