[Akonadi] [Bug 361485] New: crash on initial start with mysql 5.7 on ubuntu 16.04

[Jan via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=361485

            Bug ID: 361485
           Summary: crash on initial start with mysql 5.7 on ubuntu 16.04
           Product: Akonadi
           Version: unspecified
          Platform: Kubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: grave
          Priority: NOR
         Component: server
          Assignee: kdepim-bugs at kde.org
          Reporter: malte.gerth at googlemail.com

On a clean installation of kubuntu 16.04 akonadi won't start.
The initial creation of the mysql database fails.

Reproducible: Always

Steps to Reproduce:
1. Clean install of kubuntu 16.04 beta release
2. Start akonadi from the cli using 'akonadictl start'

Actual Results:  
initial start fails
akonadi is not usable at all

Expected Results:  
initial start of akonadi and be able to set up ressources

janmalte at ubuntu:~$ akonadictl start
Starting Akonadi Server...
   done.
Connecting to deprecated signal
QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
search paths:  ("/home/janmalte/.composer/vendor/bin", "/home/janmalte/.bin",
"/usr/local/sbin", "/usr/local/bin", "/usr/sbin", "/usr/bin", "/sbin", "/bin",
"/usr/games", "/usr/local/games", "/opt/bin", "/usr/sbin", "/usr/local/sbin",
"/usr/local/libexec", "/usr/libexec", "/opt/mysql/libexec",
"/opt/local/lib/mysql5/bin", "/opt/mysql/sbin")
Found mysql_install_db:  "/usr/bin/mysql_install_db"
Found mysqlcheck:  "/usr/bin/mysqlcheck"
mysql_install_db: [ERROR] unknown option '--force'
2016-04-07 08:51:57 [ERROR]   Unrecognized options
Database process exited unexpectedly during initial connection!
executable: "/usr/sbin/mysqld-akonadi"
arguments: ("--defaults-file=/home/janmalte/.local/share/akonadi/mysql.conf",
"--datadir=/home/janmalte/.local/share/akonadi/db_data/",
"--socket=/tmp/akonadi-janmalte.ddv6eY/mysql.socket")
stdout: ""
stderr: ""
exit code: 1
process error: "Unknown error"
terminating service threads
terminating connection threads
stopping db process
mysqladmin: connect to server at 'localhost' failed
error: 'Can't connect to local MySQL server through socket
'/tmp/akonadi-janmalte.ddv6eY/mysql.socket' (2)'
Check that mysqld is running and that the socket:
'/tmp/akonadi-janmalte.ddv6eY/mysql.socket' exists!
Failed to remove Unix socket
Failed to remove runtime connection config file
Application 'akonadiserver' exited normally...

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