[kmail2] [Bug 343873] New: Unable to retrieve most emails in a folder loaded from an archive

[George Langford]

https://bugs.kde.org/show_bug.cgi?id=343873

            Bug ID: 343873
           Summary: Unable to retrieve most emails in a folder loaded from
                    an archive
           Product: kmail2
           Version: unspecified
          Platform: Ubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: grave
          Priority: NOR
         Component: message list
          Assignee: kdepim-bugs at kde.org
          Reporter: amenex at amenex.com

Platform is Trisquel 7, an Unbuntu derivative. Motherboard is an Intel D865GLC
with 3GB of memory, recently upgraded to 4GB (moved to another identical
motherboard).

Emails were retrieved from a network attached storage drive, to which the
profile had been uploaded from a WinXP, SP3 installation running Thunderbird
email client.

Emails that are mostly irretrievable are from a folder containing ca. 13,500
emails. These are all OK in the original installation.  Total about 800MB.
There were many duplicate emails which KMail atttempted to remove.

I can repeat the transfer process if need be and if some trials are
anticipated.

KMail 4.13.3 is the version; installed from the Trisquel repository with
apt-get.

Here is the complete error message, which I get every time I try to open an
email in the folder list and the loading fails:
"Unable to fetch item from backend (collection 0): Unable to retrieve item from
resource: Invalid item retrieved"
 This is what I get for about 95% of the emails that I have retrieved from
various sources. No other error messages are apparent, even with dmesg in
Terminal.

One much larger folder (several GB) will not open at all.


Reproducible: Always

Steps to Reproduce:
1.Load various email profiles to NAS - all in one folder;
2.Retrieve with KMail; KMail grabs every profile in one "go;"
3.KMail organizes everything automatically in Trisquel 7 installation;
4.Attempts to read any email in most folder gives error message; 
5.Most messages are irretrievable; some folders are OK.

Actual Results:  
Shall I erase all 10GB in the KMail installation and start over ? This is a
days-long process.
I'm reluctant to stick my finger in the piranha tank again anytime soon.

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