[Akonadi] [Bug 324831] New: Mail not being shown

[Sean Harmer]

https://bugs.kde.org/show_bug.cgi?id=324831

            Bug ID: 324831
           Summary: Mail not being shown
    Classification: Unclassified
           Product: Akonadi
           Version: 4.11
          Platform: Gentoo Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: grave
          Priority: NOR
         Component: IMAP resource
          Assignee: ervin at kde.org
          Reporter: sh at theharmers.co.uk
                CC: kdepim-bugs at kde.org, vkrause at kde.org

With KDE 4.11.1 I have started noticing a strange new bug with akonadi.

If I start kontact/kmail and within an IMAP resource move some messages to
another imap folder then switch to that folder. Sometimes, only the mails that
I just moved are visible. All older existing mails are not shown. It's like the
imap resource is not querying the server for the folder contents but rather
relying upon it's own incomplete cache.

I thought was a mail loss bug which would be very serious. However, restarting
the akonadi server makes the mails reappear (but then some in another folder
may well have disappeared). I can check with other mail clients and on the
server itself that the mails are all still there so this seems to be a cache
synchronisation issue.

Reproducible: Sometimes

Steps to Reproduce:
1. Start kmail with an imap resource
2. Move some mails to another imap dir
3. Change to that imap dir and observe only the moved mails are there, no
pre-existing ones are shown
Actual Results:  
Pre-existing mails in the dir are not shown. Only the newly moved ones.

Expected Results:  
New mails and pre-existing mails are shown

This renders kmail useless for me as a mail client as I am often moving mails
around and needing to reference older ones.

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