[debian-mysql] Bug#914188: mariadb-server: Upgrade faild due to 'unknown variable': 'server_audit_file_path=/path/to/audit.log'

[Marc Lagies]

Package: mariadb-server
Version: 10.1.37-0+deb9u1
Severity: normal

Dear Maintainer,

   * What led up to the situation?

     The package upgrade for mariadb-server (2018-11-20) did not
     succed with the following error message:

     Nov 20 06:31:09 *redacted* mysqld_safe[16933]: 2018-11-20  6:31:09
     139790055023040 [ERROR] /usr/sbin/mysqld: unknown variable
     'server_audit_file_path=/var/log/mysql/mariadb_server_audit.log'


   * What exactly did you do (or not do) that was effective (or
     ineffective)?

     I commented out the audit plugin relateted lines in the mariadb config
     file.


   * What was the outcome of this action?

     The upgrade succeded.


   * What outcome did you expect instead?

     A successful upgrade without the need to commenting out the audit
     related configuration variables.


-- System Information:
Debian Release: 9.6
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-8-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages mariadb-server depends on:
ii  mariadb-server-10.1  10.1.37-0+deb9u1

mariadb-server recommends no packages.

mariadb-server suggests no packages.

-- no debconf information