Ubuntu Software Center version 5.2
Steps to reproduce (induces an error condition that causes the traceback for the crash in this bug):
1. Shut down Software Center, if it is running:
2. Open a terminal and type the following command:
$ cd ~/.config/software-center; touch softwarecenter.cfg.new; chmod 400 softwarecenter.cfg.new
3. Launch Software Center from a terminal as shown:
$ software-center
4. Once Software Center has started, shut it down again.
5. Note that you'll get a traceback reporting:
IOError: [Errno 13] Permission denied: '/home/tremolux/.config/software-center/softwarecenter.cfg.new'
Followed by the error for this bug:
TypeError: object of type 'NoneType' has no len()
6. Note also that Software Center does not fully quit.
7. Type the following in a terminal to kill Software Center:
$ killall software-center
8. And finally, type the following to remove the bad softwarecenter.cfg.new file:
$ rm softwarecenter.cfg.new (and verify that you want to remove this file)
Hi!
Well, when I closed the Sofware Center, Apport launches.
Here is the repport, hoping Apport’s information could be useful.
Note that during my upgrade to Oneiric, I got several problems and some of my packages might not be very well set.
Martin.
---
Note that this bug still occurs in final Precise version 5.2, as shown in the following traceback from duplicate bug 992452:
Traceback (most recent call last):
File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/availablepane.py", line 577, in on_db_reopen
self.refresh_apps()
File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/availablepane.py", line 788, in refresh_apps
SoftwarePane.refresh_apps(self, query)
File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/softwarepane.py", line 432, in refresh_apps
self._refresh_apps_with_apt_cache(query)
File "/usr/share/software-center/softwarecenter/utils.py", line 118, in wrapper
f(*args, **kwargs)
File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/softwarepane.py", line 451, in _refresh_apps_with_apt_cache
self.app_view.configure_sort_method(self._is_in_search_mode())
File "/usr/share/software-center/softwarecenter/ui/gtk3/views/appview.py", line 223, in configure_sort_method
self._use_combobox_without_sort_by_search_ranking()
File "/usr/share/software-center/softwarecenter/ui/gtk3/views/appview.py", line 155, in _use_combobox_without_sort_by_search_ranking
if self._get_combo_children() == 3:
File "/usr/share/software-center/softwarecenter/ui/gtk3/views/appview.py", line 147, in _get_combo_children
return len(self.sort_methods_combobox.get_model())
TypeError: object of type 'NoneType' has no len()
ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: software-center 5.0.2
ProcVersionSignature: Ubuntu 3.0.0-13.21-generic 3.0.6
Uname: Linux 3.0.0-13-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
CheckboxSubmission: 01a18e0a74cbde3d34a62f62830ed079
CheckboxSystem: f134069bba098730d27f59b402920826
Date: Thu Nov 3 16:05:36 2011
ExecutablePath: /usr/share/software-center/software-center
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-center
ProcEnviron:
PATH=(custom, no user)
LANG=fr_FR.utf8
SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-center']
SourcePackage: software-center
Title: software-center crashed with TypeError in _get_combo_children(): object of type 'NoneType' has no len()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin audio cdrom dialout dip fax fuse lpadmin netdev plugdev sambashare tape video
Status changed to 'Confirmed' because the bug affects multiple users.