Hi Joshua,

I agree, it is a duplicate of #1490071.

Thanks and regards,

Alan.

On 27 March 2017 at 19:39, Joshua Powers <email address hidden> wrote:

> *** This bug is a duplicate of bug 1490071 ***
>     https://bugs.launchpad.net/bugs/1490071
>
> Hi!
>
> You are correct this is pretty much identically to LP: #1490071. These
> both have to do with trying to downgrade after having a much newer
> version installed. I am going to dup this bug to that one unless you
> have concerns with me doing so. If so please put a comment below.
>
> Thanks!
>
> ** This bug has been marked a duplicate of bug 1490071
>    MySQL 5.6 refuses to install on systems that have had MariaDB 10.0
> installed, preventing users from reverting to MySQL without manual
> intervention (aka mysql flag file system needs a redesign)
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1672628
>
> Title:
>   package mysql-server-5.7 (not installed) failed to install/upgrade:
>   subprocess new pre-installation script returned error exit status 1
>
> Status in mysql-5.7 package in Ubuntu:
>   Confirmed
>
> Bug description:
>   Description:  Ubuntu 16.04.2 LTS
>   Release:      16.04
>   pinba-engine-mysql-5.7:
>     Installed: (none)
>     Candidate: 1.1.0-1ubuntu1.5
>     Version table:
>        1.1.0-1ubuntu1.5 500
>           500 http://archive.ubuntu.com/ubuntu xenial-updates/universe
> amd64 Packages
>           500 http://archive.ubuntu.com/ubuntu xenial-security/universe
> amd64 Packages
>        1.1.0-1ubuntu1 500
>           500 http://archive.ubuntu.com/ubuntu xenial/universe amd64
> Packages
>
>
>   The bug seems to be related to #1490071 however in my case I tried to
> install MySQL 5.7 after having installed MariaDB 10.1. Otherwise very
> similar.
>
>   Currently getting the following error when attempting apt-get upgrade:
>   The following packages have unmet dependencies.
>    mysql-server : Depends: mysql-server-5.7 but it is not installed
>   E: Unmet dependencies. Try using -f.
>
>   Trying the suggested fix using: apt-get -f install
>   Results in the following error:
>   Preconfiguring packages ...
>   (Reading database ... 651596 files and directories currently installed.)
>   Preparing to unpack .../mysql-server-5.7_5.7.17-0ubuntu0.16.04.1_amd64.deb
> ...
>   Aborting downgrade from (at least) 10.1 to 5.7.
>   If are sure you want to downgrade to 5.7, remove the file
>   /var/lib/mysql/debian-*.flag and try installing again.
>   dpkg: error processing archive /var/cache/apt/archives/mysql-
> server-5.7_5.7.17-0ubuntu0.16.04.1_amd64.deb (--unpack):
>    subprocess new pre-installation script returned error exit status 1
>   Errors were encountered while processing:
>    /var/cache/apt/archives/mysql-server-5.7_5.7.17-0ubuntu0.16.
> 04.1_amd64.deb
>   E: Sub-process /usr/bin/dpkg returned an error code (1)
>
>   Removing the suggested file /var/lib/mysql/debian-10.1.flag and running
> apt-get -f install once again results in the following:
>   Preconfiguring packages ...
>   (Reading database ... 651596 files and directories currently installed.)
>   Preparing to unpack .../mysql-server-5.7_5.7.17-0ubuntu0.16.04.1_amd64.deb
> ...
>   Unpacking mysql-server-5.7 (5.7.17-0ubuntu0.16.04.1) ...
>   Processing triggers for man-db (2.7.5-1) ...
>   Processing triggers for systemd (229-4ubuntu16) ...
>   Processing triggers for ureadahead (0.100.0-19) ...
>   ureadahead will be reprofiled on next reboot
>   Setting up mysql-server-5.7 (5.7.17-0ubuntu0.16.04.1) ...
>   Installing new version of config file /etc/apparmor.d/usr.sbin.mysqld
> ...
>   Installing new version of config file /etc/init.d/mysql ...
>   Installing new version of config file /etc/logrotate.d/mysql-server ...
>   Installing new version of config file /etc/mysql/debian-start ...
>   /var/lib/dpkg/info/mysql-server-5.7.postinst: line 143:
> /usr/share/mysql-common/configure-symlinks: No such file or directory
>   dpkg: error processing package mysql-server-5.7 (--configure):
>    subprocess installed post-installation script returned error exit
> status 1
>   dpkg: dependency problems prevent configuration of mysql-server:
>    mysql-server depends on mysql-server-5.7; however:
>     Package mysql-server-5.7 is not configured yet.
>
>   dpkg: error processing package mysql-server (--configure):
>    dependency problems - leaving unconfigured
>   No apport report written because the error message indicates it's a
> follow-up error from a previous failure.
>
>                                     Processing triggers for systemd
> (229-4ubuntu16) ...
>   Processing triggers for ureadahead (0.100.0-19) ...
>   Errors were encountered while processing:
>    mysql-server-5.7
>    mysql-server
>   E: Sub-process /usr/bin/dpkg returned an error code (1)
>
>   Appreciate your kind attention in the matter.
>
>   ProblemType: Package
>   DistroRelease: Ubuntu 16.04
>   Package: mysql-server-5.7 (not installed)
>   ProcVersionSignature: Ubuntu 4.8.0-41.44~16.04.1-generic 4.8.17
>   Uname: Linux 4.8.0-41-generic x86_64
>   NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
>   ApportVersion: 2.20.1-0ubuntu2.5
>   Architecture: amd64
>   Date: Mon Mar 13 17:21:55 2017
>   ErrorMessage: subprocess new pre-installation script returned error exit
> status 1
>   InstallationDate: Installed on 2016-04-30 (317 days ago)
>   InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
> (20160420.1)
>   RelatedPackageVersions:
>    dpkg 1.18.4ubuntu1.1
>    apt  1.2.19
>   SourcePackage: mysql-5.7
>   Title: package mysql-server-5.7 (not installed) failed to
> install/upgrade: subprocess new pre-installation script returned error exit
> status 1
>   UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/mysql-5.7/+bug/
> 1672628/+subscriptions
>



-- 











*Captain Alan Muscat BSc(Hons) Computing & Information Systems,71.
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