[Bug 290903] New: stream of notifications stating that "<mail account>: There is currently no session to the IMAP server available" after resume from suspend

[Craig Magina]

https://bugs.kde.org/show_bug.cgi?id=290903

           Summary: stream of notifications stating that "<mail account>:
                    There is currently no session to the IMAP server
                    available" after resume from suspend
           Product: Akonadi
           Version: 4.8
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: IMAP resource
        AssignedTo: ervin at kde.org
        ReportedBy: Craig.Magina at gmail.com
                CC: vkrause at kde.org, kdepim-bugs at kde.org


Created an attachment (id=67553)
 --> (http://bugs.kde.org/attachment.cgi?id=67553)
IMAP session server error notification stack

Version:           4.8 (using Devel) 
OS:                Linux

This seems to occur often after resuming from suspend where my Google IMAP
account will start streaming "GMail: There is currently no session to the IMAP
server available."

KMail is not running during this time, nor does it need to be started to
trigger it.

There are two IMAP accounts configured on this system and only the Google one
does this. I have ticked the "Switch offline on KMail shutdown" box and "Check
mail on startup" for both accounts.

The number of notifications is pretty high, i.e. I have seen the notification
counter up in the 30s for this message. It also seems to happen in bursts,
meaning it'll output 10+ notifications and then nothing for a short period of
time and then 30+ notifications. During this time I can see akonadi and mysqld
consuming ~50% of my CPU suggesting that it is checking for e-mail.

I would think the "Check mail on startup" means on KMail's startup, but maybe
that is an incorrect assumption.

Reproducible: Sometimes

Steps to Reproduce:
1. Quit KMail/Kontact.
2. Suspend computer.
3. Wake computer.

Actual Results:  
Started to receive the stream of notifications, "GMail: There is currently no
session to the IMAP server available."

Expected Results:  
There should have been no stream of notifications, or it should have at least
throttled them as repeating the same error over and over again covers the
previous one and makes it extremely hard to even see what each message states.
It also appears that they occur fast enough that the messages don't even get
printed, you just see an empty warning notification stack.

I am using Lancelot as my menu, which looks to open a connection to akonadi and
could be the trigger that causes the mail check on resume.

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