https://bugs.kde.org/show_bug.cgi?id=472282
Bug ID: 472282
Summary: Kolab Now reports too many open connections
Classification: Frameworks and Libraries
Product: Akonadi
Version: 5.23.2
Platform: Slackware
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: IMAP resource
Assignee: kdepim-b...@kde.org
Reporter: ppr...@liwjatan.org
CC: c...@carlschwan.eu
Target Milestone: ---
Created attachment 160308
--> https://bugs.kde.org/attachment.cgi?id=160308&action=edit
Screenshot of the error message
SUMMARY
Kolab Now performed some server side changes on Friday, June 30th 2023:
https://blogs.kolabnow.com/2023/06/16/announcing-service-window-friday-23rd-of-june-the-everlasting-race-to-get-rid-of-old-infrastructure
https://blogs.kolabnow.com/2023/06/23/service-window-postponed-due-diligence
Ever since then, the mail synchronization process in akonadi is acting weird
and running into problems, the most visible of which as an error popup that
login was denied because of "too many open connections".
I collected a log with akonadiconsole which highlights what might be going
wrong. I'll post what I think are the relevant excerpts here. The full log
contains a bit too many personal details for my liking, but I can provide it
privately if you need it :)
The synchronization process actually works fine. Login is successful, new
emails are synced, etc. However, at the end of the synchronization process of
the first folder I see this in the log:
```
[2023-07-15T13:28:43.381Z] akonadi_imap_resource org.kde.pim.kimap
KIMAP::LoginJob(0x2890c50)
[2023-07-15T13:28:43.381Z] akonadi_imap_resource org.kde.pim.kimap Connecting
to IMAP server with no proxy
[2023-07-15T13:28:43.381Z] akonadi_imap_resource org.kde.pim.kimap
connectToHost "imap.kolabnow.com" 143
[2023-07-15T13:28:43.381Z] akonadi_imap_resource org.kde.pim.kimap
KIMAP::LoginJob(0x28d4500)
[2023-07-15T13:28:43.381Z] akonadi_imap_resource org.kde.pim.kimap Connecting
to IMAP server with no proxy
[2023-07-15T13:28:43.381Z] akonadi_imap_resource org.kde.pim.kimap Connection
to server lost QAbstractSocket::UnknownSocketError
[2023-07-15T13:28:43.381Z] akonadi_imap_resource org.kde.pim.kimap close
[2023-07-15T13:28:43.381Z] akonadi_imap_resource org.kde.pim.kimap
connectToHost "imap.kolabnow.com" 143
[2023-07-15T13:28:43.381Z] akonadi_imap_resource org.kde.pim.akonadiagentbase
Deferring task "19530 Custom startConnect "
[2023-07-15T13:28:43.381Z] akonadi_imap_resource org.kde.pim.imapresource
online= false
[2023-07-15T13:28:43.381Z] akonadi_imap_resource org.kde.pim.kimap
KIMAP::LoginJob(0x2890c50)
[2023-07-15T13:28:43.381Z] akonadi_imap_resource org.kde.pim.kimap close
[2023-07-15T13:28:43.383Z] akonadi_imap_resource org.kde.pim.kimap Connection
to server lost QAbstractSocket::UnknownSocketError
[2023-07-15T13:28:43.384Z] akonadi_imap_resource org.kde.pim.akonadiagentbase
Deferring task "19530 Custom startConnect "
[2023-07-15T13:28:43.384Z] akonadi_imap_resource org.kde.pim.kimap
KIMAP::LoginJob(0x28d4500)
[2023-07-15T13:28:43.385Z] kmail org.kde.pim.kmail Last resource finished
syncing, mail check done
[2023-07-15T13:28:43.385Z] akonadi_imap_resource org.kde.pim.kimap Connecting
to IMAP server with no proxy
[2023-07-15T13:28:43.385Z] akonadi_imap_resource org.kde.pim.kimap
connectToHost "imap.kolabnow.com" 143
[2023-07-15T13:28:43.385Z] akonadi_imap_resource org.kde.pim.kimap
KIMAP::LoginJob(0x2873850)
[2023-07-15T13:28:44.286Z] akonadi_imap_resource org.kde.pim.kimap Received
BYE: "LOGOUT received "
[2023-07-15T13:28:44.287Z] akonadi_imap_resource org.kde.pim.kimap close
```
for later folders I see
```
[2023-07-15T13:31:27.908Z] akonadi_imap_resource org.kde.pim.akonadicore
Received: 0 Removed: 0 In total: 0 Wanted: 127
[2023-07-15T13:31:27.908Z] akonadi_imap_resource org.kde.pim.imapresource
Retrieval complete. Elapsed(ms): 547
[2023-07-15T13:31:27.908Z] akonadi_imap_resource org.kde.pim.akonadicore
ItemSync of collection 406 finished
[2023-07-15T13:31:27.909Z] akonadi_imap_resource org.kde.pim.imapresource.trace
RetrieveCollectionMetadataTask
[2023-07-15T13:31:27.909Z] akonadi_imap_resource org.kde.pim.imapresource.trace
starting: RetrieveCollectionMetadataTask
[2023-07-15T13:31:27.909Z] akonadi_imap_resource org.kde.pim.imapresource
"/folder1"
[2023-07-15T13:31:35.468Z] kmail org.kde.pim.kmail Last resource finished
syncing, mail check done
[2023-07-15T13:31:38.467Z] kmail kf.xmlgui Index 23 is not within range (0 -
21 )
[2023-07-15T13:31:57.470Z] akonadi_imap_resource org.kde.pim.kimap Socket
timeout!
[2023-07-15T13:31:57.470Z] akonadi_imap_resource org.kde.pim.kimap close
[2023-07-15T13:31:57.471Z] akonadi_imap_resource org.kde.pim.imapresource
online= false
```
and this happens for every folder until eventually the error pops up.
Now, not saying this is an akonadi bug. I just lack the inside to figure out
where things are going wrong, and kolab now's support is telling me (and I
heard also others) to change an akonadi setting that, as far as I can tell,
doesn't exist anymore (Max number of cached server connections). So I hope this
provides some insight into figuring out what the actual problem here is.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Slackware64-current
(available in About System)
KDE Plasma Version: 5.27.6
KDE Frameworks Version: 5.107.0
Qt Version: 5.15.10 (d2861d63)
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