Installing Percona server over mysql will get a 'conflict' error late on installation stage

[Shahriyar Rzayev]

If on the server there is a already installed MySQL ('mysql-community') and after you try to install Percona Server over MySQL it will not warn about conflicting packages before exact "installation" stage.

Total download size: 24 M
Installed size: 124 M
Is this ok [y/d/N]: y
Downloading packages:
warning: /var/cache/yum/x86_64/7/percona-release-x86_64/packages/Percona-Server-client-56-5.6.26-rel74.0.el7.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a: NOKEY
Public key for Percona-Server-client-56-5.6.26-rel74.0.el7.x86_64.rpm is not installed
(1/3): Percona-Server-client-56-5.6.26-rel74.0.el7.x86_64.rpm | 5.8 MB 00:00:15
(2/3): Percona-Server-shared-56-5.6.26-rel74.0.el7.x86_64.rpm | 651 kB 00:00:02
(3/3): Percona-Server-server-56-5.6.26-rel74.0.el7.x86_64.rpm | 18 MB 00:12:52
-----------------------------------------------------------------------------------------------------------------------------------------------
Total 32 kB/s | 24 MB 00:12:52
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Percona
Importing GPG key 0xCD2EFD2A:
 Userid : "Percona MySQL Development Team <email address hidden>"
 Fingerprint: 430b df5c 56e7 c94e 848e e60c 1c4c bdcd cd2e fd2a
 Package : percona-release-0.1-3.noarch (@/percona-release-0.1-3.noarch)
 From : /etc/pki/rpm-gpg/RPM-GPG-KEY-Percona
Is this ok [y/N]: y
Running transaction check
Running transaction test

Transaction check error:
  file /etc/my.cnf from install of Percona-Server-shared-56-5.6.26-rel74.0.el7.x86_64 conflicts with file from package mysql-community-server-5.6.23-3.el7.x86_64
  file /usr/bin/mysql from install of Percona-Server-client-56-5.6.26-rel74.0.el7.x86_64 conflicts with file from package mysql-community-client-5.6.23-3.el7.x86_64
  file /usr/bin/mysql_config_editor from install of Percona-Server-client-56-5.6.26-rel74.0.el7.x86_64 conflicts with file from package mysql-community-client-5.6.23-3.el7.x86_64
  file /usr/bin/mysql_waitpid from install of Percona-Server-client-56-5.6.26-rel74.0.el7.x86_64 conflicts with file from package mysql-community-client-5.6.23-3.el7.x86_64
  file /usr/bin/mysqladmin from install of Percona-Server-client-56-5.6.26-rel74.0.el7.x86_64 conflicts with file from package mysql-community-client-5.6.23-3.el7.x86_64
  file /usr/bin/mysqlbinlog from install of Percona-Server-client-56-5.6.26-rel74.0.el7.x86_64 conflicts with file from package mysql-community-client-5.6.23-3.el7.x86_64
  file /usr/bin/mysqlcheck from install of Percona-Server-client-56-5.6.26-rel74.0.el7.x86_64 conflicts with file from package mysql-community-client-5.6.23-3.el7.x86_64
  file /usr/bin/mysqldump from install of Percona-Server-client-56-5.6.26-rel74.0.el7.x86_64 conflicts with file from package mysql-community-client-5.6.23-3.el7.x86_64

[Shahriyar Rzayev (rzayev-sehriyar)]

Percona now uses JIRA for bug reports so this bug report is migrated to: https://jira.percona.com/browse/PS-928