Public bug reported:
percona-xtrabackup was upgraded from 2.2.3-2.1build1.1 to
2.3.7-0ubuntu0.16.04.1.
It appears that MySQL default socket file path has changed in the new
version.
After the update my backups started failing with the following:
170402 06:30:04 Connecting to MySQL server host: localhost, user: root,
password: not set, port: not set, socket: not set
Failed to connect to MySQL server: Can't connect to local MySQL server through
socket '/tmp/mysql.sock' (2).
Workaround:
Add the following in /root/.my.cnf or similar:
[client]
socket = /run/mysqld/mysqld.sock
Version details:
root@chmaa ~ # lsb_release -rd
Description: Ubuntu 16.04.2 LTS
Release: 16.04
root@chmaa ~ # apt-cache policy percona-xtrabackup
percona-xtrabackup:
Installed: 2.3.7-0ubuntu0.16.04.1
Candidate: 2.3.7-0ubuntu0.16.04.1
Version table:
*** 2.3.7-0ubuntu0.16.04.1 500
500 http://de.archive.ubuntu.com/ubuntu xenial-updates/universe amd64
Packages
100 /var/lib/dpkg/status
2.2.3-2.1build1 500
500 http://de.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
** Affects: percona-xtrabackup (Ubuntu)
Importance: Undecided
Status: New
** Tags: regression-update
** Tags added: regression-update
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https://bugs.launchpad.net/bugs/1678574
Title:
percona-xtrabackup wrong mysql socket path
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