Public bug reported:
Expected: software-properties-gtk should launch properly; instead it
crashes and doesn't launch.
Out of the blue, I couldn't open Software&Updates so I checked the
output of software-properties-gtk which is:
```
WARNING:root:system-image-cli failed, using defaults: [Errno 13] Permission
denied: 'system-ima
WARNING:root:system-image-cli failed, using defaults: [Errno 13] Permission
denied: 'system-ima
ERROR:dbus.proxies:Introspect error on :1.159:/: dbus.exceptions.DBusException:
org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message
bus without replying
Traceback (most recent call last):
File "/usr/bin/software-properties-gtk", line 100, in <module>
app = SoftwarePropertiesGtk(datadir=options.data_dir, options=options,
file=file)
File
"/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py",
line 172, in __init__
self.backend.Reload();
File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 70, in __call__
return self._proxy_method(*args, **keywords)
File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 145, in __call__
**keywords)
File "/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in
call_blocking
message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The
name :1.159 was not provided by any .service files
```
If I launch it with sudo I get circa the same output:
```
ERROR:dbus.proxies:Introspect error on :1.167:/: dbus.exceptions.DBusException:
org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message
bus without replying
Traceback (most recent call last):
File "/usr/bin/software-properties-gtk", line 100, in <module>
app = SoftwarePropertiesGtk(datadir=options.data_dir, options=options,
file=file)
File
"/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py",
line 172, in __init__
self.backend.Reload();
File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 70, in __call__
return self._proxy_method(*args, **keywords)
File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 145, in __call__
**keywords)
File "/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in
call_blocking
message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The
name :1.167 was not provided by any .service files
```
Additional info:
$ uname -r
`5.3.0-51-generic`
$ dpkg -l software-properties-gtk | grep ii
```
ii software-properties-gtk 0.96.24.32.12 all manage the repositories
that you install software from (gtk)
```
$ apt-cache policy software-properties-gtk
```
software-properties-gtk:
Installed: 0.96.24.32.12
Candidate: 0.96.24.32.12
Version table:
*** 0.96.24.32.12 500
500 http://it.archive.ubuntu.com/ubuntu bionic-updates/main amd64
Packages
500 http://it.archive.ubuntu.com/ubuntu bionic-updates/main i386
Packages
100 /var/lib/dpkg/status
0.96.24.32.1 500
500 http://it.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
500 http://it.archive.ubuntu.com/ubuntu bionic/main i386 Packages
```
Release: Ubuntu 18.04.4 LTS
** Affects: software-properties (Ubuntu)
Importance: Undecided
Status: New
--
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1876726
Title:
software-properties-gtk crashes: dbus.proxies error
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