[Bug 1435081] [NEW] package mysql-server-5.6 5.6.23-1~exp1~ubuntu3 failed to install/upgrade: subprocess installed post-removal script returned error exit status 1

[Shevek]

Public bug reported:

This bug was generated by an automatic process. The real bug is here,
and should be merged:

https://bugs.launchpad.net/ubuntu/+source/mysql-5.6/+bug/1435080

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: mysql-server-5.6 5.6.23-1~exp1~ubuntu3
ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
Uname: Linux 3.19.0-9-generic x86_64
ApportVersion: 2.16.2-0ubuntu4
AptOrdering: mysql-server-5.6: Remove
Architecture: amd64
Date: Sun Mar 22 14:30:24 2015
DpkgTerminalLog:
 Removing mysql-server-5.6 (5.6.23-1~exp1~ubuntu3) ...
 update-alternatives: using /etc/mysql/my.cnf.fallback to provide /etc/mysql/my.cnf (my.cnf) in auto mode
 /usr/bin/deb-systemd-helper: error: unable to link /etc/systemd/system/mysql.service to /dev/null: File exists
DuplicateSignature: package:mysql-server-5.6:5.6.23-1~exp1~ubuntu3:subprocess installed post-removal script returned error exit status 1
ErrorMessage: subprocess installed post-removal script returned error exit status 1
InstallationDate: Installed on 2015-03-05 (17 days ago)
InstallationMedia: Xubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
RelatedPackageVersions:
 dpkg 1.17.24ubuntu1
 apt  1.0.9.3ubuntu1
SourcePackage: mysql-5.6
Title: package mysql-server-5.6 5.6.23-1~exp1~ubuntu3 failed to install/upgrade: subprocess installed post-removal script returned error exit status 1
UpgradeStatus: Upgraded to vivid on 2015-03-19 (3 days ago)

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


** Tags: amd64 apport-package vivid

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https://bugs.launchpad.net/bugs/1435081

Title:
  package mysql-server-5.6 5.6.23-1~exp1~ubuntu3 failed to
  install/upgrade: subprocess installed post-removal script returned
  error exit status 1

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