id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc	distribution	status_field
3080	Cannot override a system-installed activity with another bundle	sascha_silbe		"When trying to downgrade a system-installed activity by ""resuming"" an older bundle from the Journal, there's no visible reaction in the Journal (no downgrade alert), but the following exception in {{{shell.log}}}:

{{{
1315162453.556646 DEBUG root: get_file asked for entry with id dbus.ByteArray('e971fa24-59aa-429a-a9e7-ff3bffe92ad9', variant_level=1)
1315162453.571456 DEBUG root: TempFilePath created dbus.String(u'/home/sascha.silbe/.sugar/default/data/e971fa24-59aa-429a-a9e7-ff3bffe92ad9-18445069-d7e4-450d-b9cb-3447
c553685c_NtqeqT.xo')
1315162453.594111 DEBUG root: Upgrading activity bundle
1315162453.594877 WARNING root: Unable to uninstall system activity, installing upgraded version in user activities
1315162453.599186 ERROR root: Traceback (most recent call last):
  File ""/home/sascha.silbe/sugar-jhbuild/install/lib/python2.6/site-packages/jarabe/journal/listview.py"", line 544, in __icon_clicked_cb
    misc.resume(metadata)
  File ""/home/sascha.silbe/sugar-jhbuild/install/lib/python2.6/site-packages/jarabe/journal/misc.py"", line 188, in resume
    registry.upgrade(bundle)
  File ""/home/sascha.silbe/sugar-jhbuild/install/lib/python2.6/site-packages/jarabe/model/bundleregistry.py"", line 443, in upgrade
    self.install(bundle)
  File ""/home/sascha.silbe/sugar-jhbuild/install/lib/python2.6/site-packages/jarabe/model/bundleregistry.py"", line 376, in install
    raise AlreadyInstalledException
AlreadyInstalledException
}}}
"	defect	new	Unspecified by Maintainer	Unspecified by Release Team	sugar	Git as of bugdate	Minor			garycmartin		New