Unsupported server version: '10.4.4-MariaDB-1:10.4.4+maria~jessie'

[Giancarlo Albanese]

I followed this guide:

https://www.digitalocean.com/community/tutorials/how-to-create-hot-backups-of-mysql-databases-with-percona-xtrabackup-on-ubuntu-14-04

when i launch this command:

innobackupex --user=bkpuser --password=bkppassword --no-timestamp /backup

i got this error:

InnoDB Backup Utility v1.5.1-xtrabackup; Copyright 2003, 2009 Innobase Oy
and Percona LLC and/or its affiliates 2009-2013. All Rights Reserved.

This software is published under
the GNU GENERAL PUBLIC LICENSE Version 2, June 1991.

190426 16:32:22 innobackupex: Connecting to MySQL server with DSN 'dbi:mysql:;mysql_read_default_group=xtrabackup' as 'bkpuser' (using password: YES).
190426 16:32:22 innobackupex: Connected to MySQL server
innobackupex: Error: Unsupported server version: '10.4.4-MariaDB-1:10.4.4+maria~jessie' Please report a bug at https://bugs.launchpad.net/percona-xtrabackup

MariaDB is installed into Docker

FROM debian:jessie
using this repository

http://sfo1.mirrors.digitalocean.com/mariadb/repo/10.4/debian jessie main

See this Dockerfile

https://github.com/diegomarangoni/docker-mariadb-galera/blob/master/Dockerfile