[Bug 937714] Re: command-not-found crashing with incomplete locale settings

[Brian Murray]

command-not-found should have printed some more information as seen in
the following:

            print >> sys.stderr, _("command-not-found version: %s") % version
            print >> sys.stderr, _("Python version: %d.%d.%d %s %d") % sys.version_info 
            try:
                import subprocess
                subprocess.call(["lsb_release", "-i", "-d", "-r", "-c"], stdout=sys.stderr) 
            except (ImportError, OSError):
                pass
            print >> sys.stderr, _("Exception information:")
            print >> sys.stderr
            print >> sys.stderr, ex
            try:
                import traceback
                traceback.print_exc()
            except ImportError:
                pass

Regardless I don't think command-not-found tell people goto to +filebug
but rather launch ubuntu-bug for you or just let apport catch the crash.
I'll open a separate bug for that.

** Changed in: command-not-found (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/937714

Title:
  command-not-found crashing with incomplete locale settings

Status in “command-not-found” package in Ubuntu:
  New

Bug description:
  I'm running the latest 12.04 and I'm getting the following:
  ---------------snip-------------
  mmrazik at fry:~$ logo
  Sorry, command-not-found has crashed! Please file a bug report at:
  https://bugs.launchpad.net/command-not-found/+filebug
  Please include the following information with the report:

  command-not-found version: 0.2.44
  mmrazik at fry:~$ 
  ---------------snip-------------

  This is probably 2 bugs in 1:
  1. the crash itself
  2. the message which tells you absolutely nothing what is going on

  After some debugging I realized there is something wrong with my
  locale setup (to be honest I don't know how I get into this state; I
  have a fresh install with my old home and it looks like even though I
  selected the en_US locale the previous CS bits stayed somewhere in
  home).

  -------------------snip----------------
  mmrazik at fry:~$ update-locale LANG=en_US.UTF-8
  perl: warning: Setting locale failed.
  perl: warning: Please check that your locale settings:
  	LANGUAGE = "en_US:en",
  	LC_ALL = (unset),
  	LC_PAPER = "cs_CZ.UTF-8",
  	LC_ADDRESS = "cs_CZ.UTF-8",
  	LC_MONETARY = "cs_CZ.UTF-8",
  	LC_NUMERIC = "cs_CZ.UTF-8",
  	LC_TELEPHONE = "cs_CZ.UTF-8",
  	LC_MEASUREMENT = "cs_CZ.UTF-8",
  	LC_TIME = "cs_CZ.UTF-8",
  	LC_NAME = "cs_CZ.UTF-8",
  	LANG = "en_US.UTF-8"
      are supported and installed on your system.
  perl: warning: Falling back to the standard locale ("C").
  update-locale: Unable to write /etc/default/locale: Permission denied
  mmrazik at fry:~$ 
  -------------------snip----------------

  I found out there is no cs dir in /usr/share/locale-langpack/. After:

  mmrazik at fry:~$ sudo apt-get install language-pack-cs

  I'm getting:
  mmrazik at fry:~$ logo
  The program 'logo' is currently not installed.  You can install it by typing:
  sudo apt-get install ucblogo
  mmrazik at fry:~$ 

  
  How to reproduce:
  - set your locale to a language with no language pack installed
  - run command-not-found
  - observe the crash

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