Comment 97 for bug 883459

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