[Bug 283467] New: Kmail has duplicated folders after migration from previous version

[Swâmi Petaramesh]

https://bugs.kde.org/show_bug.cgi?id=283467

           Summary: Kmail has duplicated folders after migration from
                    previous version
           Product: kmail2
           Version: 4.7
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: swami at petaramesh.org


Created an attachment (id=64284)
 --> (http://bugs.kde.org/attachment.cgi?id=64284)
Duplicate folder screenshot

Version:           4.7 (using KDE 4.7.1) 
OS:                Linux

After upgrading from KUbuntu Natty to Oneiric, which migrates KMail from 1.x to
2.x, at next KDE login the migration tool converts the old datastore to the new
Akonadi one, duplicating all the folders.

Reproducible: Didn't try

Steps to Reproduce:
Migrate a french-locale KMail, POP3 account, from 1.x to 2.X

Actual Results:  
Once this completes, KMail has both folders with localized names and nice icons
(albeit empty), AND same folders with english names, without the nice icons,
and where email have actually been stored (and these folders are the "active"
one for whatever purpose, i.e. send, receive, etc...)

See attached screenshot.

Expected Results:  
Duplicate folders shouldn't be created. Folders with localized names should be
the only ones existing and in use.

Furthermore, when processing mail, KMail often spits messages telling it cannot
write to the mail folders (see screenshot), however this is wrong as messages
seem to be processed, stored, moved properly, etc.


OS: Linux (i686) release 3.0.0-12-generic
Compiler: gcc

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