[Bug 1586789] Re: fatal error: upgrade 15.10 to 16.04 - mysql

[Launchpad Bug Tracker]

[Expired for ubuntu-release-upgrader (Ubuntu) because there has been no
activity for 60 days.]

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1586789

Title:
  fatal error: upgrade 15.10 to 16.04 - mysql

Status in ubuntu-release-upgrader package in Ubuntu:
  Expired

Bug description:
  upgrading from 14.10 to 15.04 .... success
  upgrading from 15.04 to 15.10 .... success
  upgrading from 15.04 to 16.04 LTS .... fails

  =============================================================
  Please report this as a bug and include the files
  /var/log/dist-upgrade/main.log and /var/log/dist-upgrade/apt.log in
  your report. The upgrade has aborted.
  Your original sources.list was saved in
  /etc/apt/sources.list.distUpgrade.

  
  SystemError: E:Sub-process /usr/bin/dpkg returned an error code (1)

  
  Could not install the upgrades

  The upgrade has aborted. Your system could be in an unusable state. A
  recovery will run now (dpkg --configure -a).

  Please report this bug in a browser at
  http://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+filebug
  and attach the files in /var/log/dist-upgrade/ to the bug report.
  installArchives() failed

  Setting up mysql-server-5.7 (5.7.12-0ubuntu1) ...
  Job for mysql.service failed because the control process exited with error code. See "systemctl status mysql.service" and "journalctl -xe" for details.
  invoke-rc.d: initscript mysql, action "start" failed.
  invoke-rc.d: release upgrade in progress, error is not fatal
  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
  Errors were encountered while processing:
   mysql-server-5.7
   mysql-server

  Upgrade complete

  The upgrade has completed but there were errors during the upgrade
  process.

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