Akonadi won't start

Paul Brown paul.brown at kde.org
Tue Apr 19 19:37:43 BST 2022

On Tuesday, 19 April 2022 18:25:58 CEST Mike Diehl wrote:
> Hi all,
> I've been using kde on this machine for several months, now.  But suddenly,
> akonadi won't start:
> =====================================================================
> mdiehl at mikeworkstation:~$ akonadictl start
> Connecting to deprecated signal
> QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
> mdiehl at mikeworkstation:~$ org.kde.pim.akonadiserver: Starting up the
> Akonadi Server... org.kde.pim.akonadiserver: database server stopped
> unexpectedly
> org.kde.pim.akonadiserver: Database process exited unexpectedly during
> initial connection! org.kde.pim.akonadiserver: executable:
> "/usr/sbin/mysqld-akonadi"
> org.kde.pim.akonadiserver: arguments:
> ("--defaults-file=/home/mdiehl/.local/share/akonadi/mysql.conf",
> "--datadir=/home/mdiehl/.local/share/akonadi/db_data/",
> "--socket=/run/user/1000/akonadi/mysql.socket",
> "--pid-file=/run/user/1000/akonadi/mysql.pid") org.kde.pim.akonadiserver:
> stdout: ""
> org.kde.pim.akonadiserver: stderr: "mysqld-akonadi: [ERROR] Failed to open
> required defaults file:
> /home/mdiehl/.local/share/akonadi/mysql.conf\nmysqld-akonadi: [ERROR] Fatal
> error in defaults handling. Program aborted!\n" org.kde.pim.akonadiserver:
> exit code: 1
> org.kde.pim.akonadiserver: process error: "Unknown error"
> mysqladmin: connect to server at 'localhost' failed
> error: 'Can't connect to local MySQL server through socket
> '/run/user/1000/akonadi/mysql.socket' (2)' Check that mysqld is running and
> that the socket: '/run/user/1000/akonadi/mysql.socket' exists!
> org.kde.pim.akonadiserver: Failed to remove runtime connection config file
> org.kde.pim.akonadiserver: Shutting down AkonadiServer...
> org.kde.pim.akonadicontrol: Application '/usr/bin/akonadiserver' exited
> normally...
> =====================================================================
> Any ideas would be most appreciated.
> Mike.

Hey Mike,

Try moving your akonadi directory out of the way: 

mv .local/share/akonadi/ .local/share/akonadi_old

And then try starting akonadi again.

Akonadi will rebuild the databases and you won't loose any emails or 
calendars, although you may have to tweak stuff in you email profiles and  
folders, as, when rebuilding, you may discover that Kmail is now saving sent 
message in... oh... the drafts folder or the trashbin... it can be anywhere.

Another thing that may be affected are your local email filters, and, if you 
have more than one identity, the identity associated with each folder.

... Yeah, my setup is a bit clunky.


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