[Bug 1843658] Re: package zlib1g 1:1.2.8.dfsg-2ubuntu4 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64

[Apport retracing service]

** Tags removed: need-duplicate-check

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Title:
  package zlib1g 1:1.2.8.dfsg-2ubuntu4 failed to install/upgrade: trying
  to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which
  is different from other instances of package zlib1g:amd64

Status in zlib package in Ubuntu:
  New

Bug description:
  (Reading database ... 603754 files and directories currently installed.)
  Preparing to unpack .../zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb ...
  Unpacking zlib1g:amd64 (1:1.2.8.dfsg-2ubuntu4.1) over (1:1.2.8.dfsg-2ubuntu4) ...
  dpkg: error processing archive /var/cache/apt/archives/zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb (--unpack):
   trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
  Processing triggers for libc-bin (2.23-0ubuntu10) ...
  Errors were encountered while processing:
   /var/cache/apt/archives/zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: zlib1g 1:1.2.8.dfsg-2ubuntu4
  ProcVersionSignature: Ubuntu 4.15.0-55.60~16.04.2-generic 4.15.18
  Uname: Linux 4.15.0-55-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.19
  AptOrdering:
   zlib1g: Install
   zlib1g: Configure
   zlib1g: Configure
   NULL: ConfigurePending
  Architecture: amd64
  Date: Thu Sep 12 08:47:03 2019
  Dependencies:
   gcc-6-base 6.0.1-0ubuntu1
   libc6 2.23-0ubuntu11
   libgcc1 1:6.0.1-0ubuntu1
  DpkgHistoryLog:
   Start-Date: 2019-09-12  08:46:40
   Commandline: apt-get -f install
   Requested-By: seisinv (1000)
   Upgrade: zlib1g:amd64 (1:1.2.8.dfsg-2ubuntu4, 1:1.2.8.dfsg-2ubuntu4.1)
  DpkgTerminalLog:
   Preparing to unpack .../zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb ...
   Unpacking zlib1g:amd64 (1:1.2.8.dfsg-2ubuntu4.1) over (1:1.2.8.dfsg-2ubuntu4) ...
   dpkg: error processing archive /var/cache/apt/archives/zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb (--unpack):
    trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
  DuplicateSignature:
   package:zlib1g:1:1.2.8.dfsg-2ubuntu4
   Unpacking zlib1g:amd64 (1:1.2.8.dfsg-2ubuntu4.1) over (1:1.2.8.dfsg-2ubuntu4) ...
   dpkg: error processing archive /var/cache/apt/archives/zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb (--unpack):
    trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
  ErrorMessage: trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
  InstallationDate: Installed on 2017-06-02 (831 days ago)
  InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.3
   apt  1.2.29ubuntu0.1
  SourcePackage: zlib
  Title: package zlib1g 1:1.2.8.dfsg-2ubuntu4 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
  UpgradeStatus: No upgrade log present (probably fresh install)

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