[Bug 1493299] [NEW] package mysql-server-core-5.6 (not installed) failed to install/upgrade: trying to overwrite '/usr/sbin/mysqld', which is also in package mysql-server 5.5.44-2

[yavor.hristov]

Public bug reported:

Possible not properly configured preferences in MySQL Server.

After first installation and restart  following errors thrown:
2015-09-08 08:47:37 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2015-09-08 08:47:37 0 [Note] /usr/sbin/mysqld (mysqld 5.6.25-0ubuntu0.15.04.1) starting as process 1305 ...
2015-09-08 08:47:37 1305 [Warning] Buffered warning: Changed limits: max_open_files: 1024 (requested 5000)

2015-09-08 08:47:37 1305 [Warning] Buffered warning: Changed limits:
table_open_cache: 431 (requested 2000)

2015-09-08 08:47:37 1305 [Warning] Using unique option prefix myisam-recover instead of myisam-recover-options is deprecated and will be removed in a future release. Please use the full name instead.
2015-09-08 08:47:37 1305 [Note] Plugin 'FEDERATED' is disabled.
2015-09-08 08:47:37 1305 [ERROR] Function 'innodb' already exists
2015-09-08 08:47:37 1305 [Warning] Couldn't load plugin named 'innodb' with soname 'ha_innodb.so'.
2015-09-08 08:47:37 1305 [ERROR] Function 'federated' already exists
2015-09-08 08:47:37 1305 [Warning] Couldn't load plugin named 'federated' with soname 'ha_federated.so'.
2015-09-08 08:47:37 1305 [ERROR] Function 'blackhole' already exists
2015-09-08 08:47:37 1305 [Warning] Couldn't load plugin named 'blackhole' with soname 'ha_blackhole.so'.
2015-09-08 08:47:37 1305 [ERROR] Function 'archive' already exists
2015-09-08 08:47:37 1305 [Warning] Couldn't load plugin named 'archive' with soname 'ha_archive.so'.
2015-09-08 08:47:37 1305 [Note] InnoDB: Using atomics to ref count buffer pool pages
2015-09-08 08:47:37 1305 [Note] InnoDB: The InnoDB memory heap is disabled
2015-09-08 08:47:37 1305 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2015-09-08 08:47:37 1305 [Note] InnoDB: Memory barrier is not used
2015-09-08 08:47:37 1305 [Note] InnoDB: Compressed tables use zlib 1.2.8
2015-09-08 08:47:37 1305 [Note] InnoDB: Using Linux native AIO
2015-09-08 08:47:37 1305 [Note] InnoDB: Using CPU crc32 instructions
2015-09-08 08:47:37 1305 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2015-09-08 08:47:37 1305 [Note] InnoDB: Completed initialization of buffer pool
2015-09-08 08:47:37 1305 [Note] InnoDB: Highest supported file format is Barracuda.
2015-09-08 08:47:37 1305 [Note] InnoDB: 128 rollback segment(s) are active.
2015-09-08 08:47:37 1305 [Note] InnoDB: Waiting for purge to start
2015-09-08 08:47:37 1305 [Note] InnoDB: 5.6.25 started; log sequence number 4310799
2015-09-08 08:47:37 1305 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306
2015-09-08 08:47:37 1305 [Note]   - '127.0.0.1' resolves to '127.0.0.1';
2015-09-08 08:47:37 1305 [Note] Server socket created on IP: '127.0.0.1'.
2015-09-08 08:47:37 1305 [Note] Event Scheduler: Loaded 0 events
2015-09-08 08:47:37 1305 [Note] /usr/sbin/mysqld: ready for connections.
Version: '5.6.25-0ubuntu0.15.04.1'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  (Ubuntu)
150908 08:49:15 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
2015-09-08 08:49:15 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2015-09-08 08:49:15 0 [Note] /usr/sbin/mysqld (mysqld 5.6.25-0ubuntu0.15.04.1) starting as process 1299 ...
2015-09-08 08:49:15 1299 [Warning] Buffered warning: Changed limits: max_open_files: 1024 (requested 5000)

2015-09-08 08:49:15 1299 [Warning] Buffered warning: Changed limits:
table_open_cache: 431 (requested 2000)

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: mysql-server-core-5.6 (not installed)
ProcVersionSignature: Ubuntu 3.19.0-26.28-generic 3.19.8-ckt4
Uname: Linux 3.19.0-26-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.3
Architecture: amd64
Date: Tue Sep  8 13:01:30 2015
DuplicateSignature: package:mysql-server-core-5.6:(not installed):trying to overwrite '/usr/sbin/mysqld', which is also in package mysql-server 5.5.44-2
ErrorMessage: trying to overwrite '/usr/sbin/mysqld', which is also in package mysql-server 5.5.44-2
InstallationDate: Installed on 2015-09-04 (3 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt  1.0.9.7ubuntu4.1
SourcePackage: mysql-5.6
Title: package mysql-server-core-5.6 (not installed) failed to install/upgrade: trying to overwrite '/usr/sbin/mysqld', which is also in package mysql-server 5.5.44-2
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: mysql-5.6 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-package package-conflict vivid

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https://bugs.launchpad.net/bugs/1493299

Title:
  package mysql-server-core-5.6 (not installed) failed to
  install/upgrade: trying to overwrite '/usr/sbin/mysqld', which is also
  in package mysql-server 5.5.44-2

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