Ubuntu: Software Center crashing



Question:

Any time I try to run the Ubuntu software center it immediately crashes. I go to terminal and type in 'software-center' and this is the results I get. Any help.

2014-04-22 09:29:28,526 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None'  2014-04-22 09:29:28,987 - softwarecenter.backend.reviews - WARNING - Could not get usefulness from server, no username in config file  2014-04-22 09:29:28,990 - softwarecenter.plugin - INFO - activating plugin '<module 'webapps_activation' from '/usr/share/software-center/softwarecenter/plugins/webapps_activation.pyc'>'  2014-04-22 09:29:28,994 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/gi/importer.py', 51, 'find_module')'  2014-04-22 09:29:28,994 - root - ERROR - Could not find any typelib for LaunchpadIntegration  2014-04-22 09:29:29,035 - softwarecenter.db.pkginfo_impl.aptcache - INFO - aptcache.open()  2014-04-22 09:29:29,604 - softwarecenter.backend.reviews - WARNING - error creating bsddb: '(22, 'Invalid argument -- BDB0054 illegal flag combination specified to DB_ENV->open')' (corrupted?)  2014-04-22 09:29:29,605 - softwarecenter.backend.reviews - ERROR - trying to repair DB failed  Traceback (most recent call last):    File "/usr/share/software-center/softwarecenter/backend/reviews/__init__.py", line 358, in _save_review_stats_cache_blocking      self._dump_bsddbm_for_unity(outfile, outdir)    File "/usr/share/software-center/softwarecenter/backend/reviews/__init__.py", line 377, in _dump_bsddbm_for_unity      0600)  DBInvalidArgError: (22, 'Invalid argument -- BDB0054 illegal flag combination specified to DB_ENV->open')  /usr/lib/python2.7/dist-packages/gi/overrides/GLib.py:535: Warning: Source ID 68 was not found when attempting to remove it    return super(MainContext, self).iteration(may_block)  Traceback (most recent call last):    File "/usr/share/software-center/softwarecenter/db/pkginfo_impl/aptcache.py", line 261, in open      self._cache = apt.Cache(progress)    File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 107, in __init__      self.open(progress)    File "/usr/lib/python2.7/dist-packages/apt/cache.py", line 155, in open      self._list.read_main_list()  SystemError: E:Type 'sudo' is not known on line 57 in source list /etc/apt/sources.list  2014-04-22 09:29:30,054 - softwarecenter.db.enquire - ERROR - _get_estimate_nr_apps_and_nr_pkgs failed  Traceback (most recent call last):    File "/usr/share/software-center/softwarecenter/db/enquire.py", line 115, in _get_estimate_nr_apps_and_nr_pkgs      tmp_matches = enquire.get_mset(0, len(self.db), None, xfilter)    File "/usr/share/software-center/softwarecenter/db/appfilter.py", line 89, in __call__      if (not pkgname in self.cache and    File "/usr/share/software-center/softwarecenter/db/pkginfo_impl/aptcache.py", line 281, in __contains__      return self._cache.__contains__(k)  AttributeError: 'NoneType' object has no attribute '__contains__'  Traceback (most recent call last):    File "/usr/bin/software-center", line 183, in <module>      app.run(args)    File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1375, in run      self.show_available_packages(args)    File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1313, in show_available_packages      self.view_manager.set_active_view(ViewPages.AVAILABLE)    File "/usr/share/software-center/softwarecenter/ui/gtk3/session/viewmanager.py", line 150, in set_active_view      view_widget.init_view()    File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/availablepane.py", line 227, in init_view      self.cache, self.db, self.icons, self.apps_filter)    File "/usr/share/software-center/softwarecenter/ui/gtk3/views/lobbyview.py", line 80, in __init__      self.build()    File "/usr/share/software-center/softwarecenter/ui/gtk3/views/lobbyview.py", line 326, in build      self._build_homepage_view()    File "/usr/share/software-center/softwarecenter/ui/gtk3/views/lobbyview.py", line 121, in _build_homepage_view      self._append_whats_new()    File "/usr/share/software-center/softwarecenter/ui/gtk3/views/lobbyview.py", line 255, in _append_whats_new      whats_new_cat = self._update_whats_new_content()    File "/usr/share/software-center/softwarecenter/ui/gtk3/views/lobbyview.py", line 240, in _update_whats_new_content      docs = whats_new_cat.get_documents(self.db)    File "/usr/share/software-center/softwarecenter/db/categories.py", line 131, in get_documents      nonblocking_load=False)    File "/usr/share/software-center/softwarecenter/db/enquire.py", line 330, in set_query      self._blocking_perform_search()    File "/usr/share/software-center/softwarecenter/db/enquire.py", line 225, in _blocking_perform_search      matches = enquire.get_mset(0, self.limit, None, xfilter)    File "/usr/share/software-center/softwarecenter/db/appfilter.py", line 89, in __call__      if (not pkgname in self.cache and    File "/usr/share/software-center/softwarecenter/db/pkginfo_impl/aptcache.py", line 281, in __contains__      return self._cache.__contains__(k)  AttributeError: 'NoneType' object has no attribute '__contains__'  


Solution:1

Try re-installing Software-center:

sudo apt-get purge software-center  sudo apt-get install software-center  

And its a Bad idea but see if software-center is able to run as root

gksudo software-center  

PS: Running software-center as root is highly not recommended, check this Link for more info.

If you dont have gksudo installed then install it using

sudo apt-get install gksudo  

Note:If u also have question or solution just comment us below or mail us on toontricks1994@gmail.com
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