[Bug 858246] Re: Software center cannot install opera deb file: Internal Error

[ruario]

The problem is that the data.tar file within the Opera Debian package is
lzma compressed. Since /usr/bin/lzma is not present on Ubuntu "Oneiric
Ocelot" 11.10, Software Center cannot open the file.

However, other utilities such as dpkg and apt can open the package and
install it without any issue because they use /usr/bin/xz to open lzma
compressed files. Indeed if you create /usr/bin/lzma as a symlink to
/usr/bin/xz then software center can open the Opera package as well.

This can be fixed in two ways, either the /usr/bin/lzma symlink should
be provided by the xz package for backwards compatibility (in fact that
is good idea anyway as xz is just a continuation of lzma and other
distros do this) and/or Software Center should be updated to use xz when
lzma is not present.

http://my.opera.com/community/forums/findpost.pl?id=10564932

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https://bugs.launchpad.net/bugs/858246

Title:
  Software center cannot install opera deb file: Internal Error

Status in “software-center” package in Ubuntu:
  Confirmed

Bug description:
  I just tried to install opera from the provided deb package.
  Unfortunately, software-center always displayed an “Internal Error”:
  “The file x could not be opened”. I checked the file is okay by
  installing it with dpkg, which worked fine.

  See also bug 868188, the same error for the Google Chrome .deb.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: software-center 4.1.23.3
  ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
  Uname: Linux 3.0.0-11-generic i686
  ApportVersion: 1.23-0ubuntu1
  Architecture: i386
  Date: Sat Sep 24 16:07:13 2011
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110803.1)
  PackageArchitecture: all
  SourcePackage: software-center
  UpgradeStatus: No upgrade log present (probably fresh install)

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