[Bug 1271001] Re: duplicate source.list entries error during installation

[Ubuntu Foundations Team Bug Bot]

Exception during installation:
Jan 21 00:43:31 ubuntu plugininstall.py: Traceback (most recent call last):
Jan 21 00:43:31 ubuntu plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 1730, in <module>
Jan 21 00:43:31 ubuntu plugininstall.py:     install.run()
Jan 21 00:43:31 ubuntu plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 55, in wrapper
Jan 21 00:43:31 ubuntu plugininstall.py:     func(self)
Jan 21 00:43:31 ubuntu plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 215, in run
Jan 21 00:43:31 ubuntu plugininstall.py:     self.remove_extras()
Jan 21 00:43:31 ubuntu plugininstall.py:   File "/usr/share/ubiquity/plugininstall.py", line 1455, in remove_extras
Jan 21 00:43:31 ubuntu plugininstall.py:     cache = Cache()
Jan 21 00:43:31 ubuntu plugininstall.py:   File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 102, in __init__
Jan 21 00:43:31 ubuntu plugininstall.py:     self.open(progress)
Jan 21 00:43:31 ubuntu plugininstall.py:   File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 145, in open
Jan 21 00:43:31 ubuntu plugininstall.py:     self._cache = apt_pkg.Cache(progress)
Jan 21 00:43:31 ubuntu plugininstall.py: SystemError: W:Duplicate sources.list entry cdrom://Ubuntu 12.04.3 LTS _Precise Pangolin_ - Release amd64 (20130820.1)/ precise/main i386 Packages (/target/var/lib/apt/lists/Ubuntu%2012.04.3%20LTS%20%5fPrecise%20Pangolin%5f%20-%20Release%20amd64%20(20130820.1)_dists_precise_main_binary-i386_Packages), W:Duplicate sources.list entry cdrom://Ubuntu 12.04.3 LTS _Precise Pangolin_ - Release amd64 (20130820.1)/ precise/restricted i386 Packages (/target/var/lib/apt/lists/Ubuntu%2012.04.3%20LTS%20%5fPrecise%20Pangolin%5f%20-%20Release%20amd64%20(20130820.1)_dists_precise_restricted_binary-i386_Packages), E:Unable to parse package file /target/var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_precise_universe_binary-i386_Packages (1), E:The package lists or status file could not be parsed or opened.
Jan 21 00:43:31 ubuntu plugininstall.py: 


** Tags added: installer-crash

** Changed in: ubiquity (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1271001

Title:
  duplicate source.list entries error during installation

Status in “ubiquity” package in Ubuntu:
  Incomplete

Bug description:
  Near the end of installation, installer crashed.  Log viewable during
  installation showed errors about duplicate source.list entries.
  Actual package is "ubuntu-12.04.3-desktop-amd64.iso", but was not
  available for choice.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubiquity 2.10.26
  ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5
  Uname: Linux 3.8.0-29-generic x86_64
  ApportVersion: 2.0.1-0ubuntu17.4
  Architecture: amd64
  CasperVersion: 1.315.1
  Date: Mon Jan 20 17:45:39 2014
  InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
  LiveMediaBuild: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1)
  MarkForUpload: True
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   LANG=en_US.UTF-8
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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