percona-xtrabackup fails

[Friedel Vöker]

root@host:/# apt-get install percona-xtrabackup
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  libdbd-mysql-perl libdbi-perl libev4
Suggested packages:
  libclone-perl libmldbm-perl libnet-daemon-perl libsql-statement-perl
The following NEW packages will be installed:
  libdbd-mysql-perl libdbi-perl libev4 percona-xtrabackup
0 upgraded, 4 newly installed, 0 to remove and 0 not upgraded.
Need to get 4,714 kB of archives.
After this operation, 24.4 MB of additional disk space will be used.
Do you want to continue? [Y/n]
Get:1 http://de.archive.ubuntu.com/ubuntu xenial/main amd64 libdbi-perl amd64 1.634-1build1 [743 kB]
Get:2 http://de.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 libdbd-mysql-perl amd64 4.033-1ubuntu0.1 [84.3 kB]
Get:3 http://de.archive.ubuntu.com/ubuntu xenial/universe amd64 libev4 amd64 1:4.22-1 [26.3 kB]
Get:4 http://de.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 percona-xtrabackup amd64 2.3.7-0ubuntu0.16.04.2 [3,860 kB]
Fetched 4,714 kB in 0s (16.3 MB/s)
Selecting previously unselected package libdbi-perl.
(Reading database ... 41474 files and directories currently installed.)
Preparing to unpack .../libdbi-perl_1.634-1build1_amd64.deb ...
Unpacking libdbi-perl (1.634-1build1) ...
Selecting previously unselected package libdbd-mysql-perl.
Preparing to unpack .../libdbd-mysql-perl_4.033-1ubuntu0.1_amd64.deb ...
Unpacking libdbd-mysql-perl (4.033-1ubuntu0.1) ...
Selecting previously unselected package libev4.
Preparing to unpack .../libev4_1%3a4.22-1_amd64.deb ...
Unpacking libev4 (1:4.22-1) ...
Selecting previously unselected package percona-xtrabackup.
Preparing to unpack .../percona-xtrabackup_2.3.7-0ubuntu0.16.04.2_amd64.deb ...
Unpacking percona-xtrabackup (2.3.7-0ubuntu0.16.04.2) ...
Processing triggers for man-db (2.7.5-1) ...
Processing triggers for libc-bin (2.23-0ubuntu10) ...
Setting up libdbi-perl (1.634-1build1) ...
Setting up libdbd-mysql-perl (4.033-1ubuntu0.1) ...
Setting up libev4 (1:4.22-1) ...
Setting up percona-xtrabackup (2.3.7-0ubuntu0.16.04.2) ...
Processing triggers for libc-bin (2.23-0ubuntu10) ...

root@host:/# innobackupex --user=root --password=MYPASSWD /var/backups
180516 17:17:16 innobackupex: Starting the backup operation

IMPORTANT: Please check that the backup run completes successfully.
           At the end of a successful backup run innobackupex
           prints "completed OK!".

Unrecognized character \x01; marked by <-- HERE after <-- HERE near column 1 at - line 1374.
180516 17:17:16 Connecting to MySQL server host: localhost, user: root, password: set, port: not set, socket: not set
Error: Unsupported server version: '5.7.22-0ubuntu0.16.04.1'. Please report a bug at https://bugs.launchpad.net/percona-xtrabackup

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.