[Bug 1028640] Re: session-installer crashed with TypeError in _on_property_changed(): could not convert type dbus.Array to PyObject required for parameter 0

[Steve Langasek]

According to <https://errors.ubuntu.com/bucket/?id=%2Fusr%2Fbin
%2Fsession-
installer%3ATypeError%3Amsg_reply_handler%3Async_properties%3A_on_property_changed>,
the crash first appeared on July 23; so this may be correlated with
aptdaemon 0.45+bzr848-0ubuntu1 (uploaded July 24 according to the
changelog):

  * New upstream snapshot:
    - aptdaemon/client.py: Prefer GI GObject module. (LP: #1026066)

Martin, do you know what needs to happen here?  It looks like perhaps
aptdaemon isn't compatible with the python2 version of
gi.repository.GObject, which sessioninstaller is using.

Maybe this needs to be replaced with a try: import [...] except: import
[...]?

** Changed in: sessioninstaller (Ubuntu Quantal)
     Assignee: (unassigned) => Martin Pitt (pitti)

** Package changed: sessioninstaller (Ubuntu Quantal) => aptdaemon
(Ubuntu Quantal)

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https://bugs.launchpad.net/bugs/1028640

Title:
  session-installer crashed with TypeError in _on_property_changed():
  could not convert type dbus.Array to PyObject required for parameter 0

Status in “aptdaemon” package in Ubuntu:
  Triaged
Status in “aptdaemon” source package in Precise:
  Invalid
Status in “aptdaemon” source package in Quantal:
  Triaged

Bug description:
  installing mp3 plugins for Rhythmbox and the session installer
  crashed.

  ProblemType: Crash
  DistroRelease: Ubuntu 12.10
  Package: sessioninstaller 0.20+bzr128-0ubuntu1
  ProcVersionSignature: Ubuntu 3.5.0-6.6-generic 3.5.0
  Uname: Linux 3.5.0-6-generic x86_64
  ApportVersion: 2.4-0ubuntu5
  Architecture: amd64
  Date: Tue Jul 24 14:36:05 2012
  ExecutablePath: /usr/bin/session-installer
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120720.1)
  InterpreterPath: /usr/bin/python2.7
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python /usr/bin/session-installer
  ProcEnviron:
   SHELL=/bin/bash
   PATH=(custom, no user)
   LANG=en_US.UTF-8
  PythonArgs: ['/usr/bin/session-installer']
  SourcePackage: sessioninstaller
  Title: session-installer crashed with TypeError in _on_property_changed(): could not convert type dbus.Array to PyObject required for parameter 0
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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