[Bug 2058158] Re: update-manager crashes when started

[Alberto Contreras]

*** This bug is a duplicate of bug 2058133 ***
    https://bugs.launchpad.net/bugs/2058133

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/2058158

Title:
  update-manager crashes when started

Status in ubuntu-advantage-tools package in Ubuntu:
  New
Status in update-manager package in Ubuntu:
  New

Bug description:
  On Ubuntu 22.04.4 LTS the Update Manager crashes when started either
  from launcher or from terminal with the following traceback:

  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/UpdateManager/backend/InstallBackendAptdaemon.py", line 448, in _on_finished
      self._action_done(action,
    File "/usr/lib/python3/dist-packages/UpdateManager/backend/__init__.py", line 365, in _action_done
      self.window_main.start_available()
    File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 241, in start_available
      self.refresh_cache()
    File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 459, in refresh_cache
      self._get_ua_security_status()
    File "/usr/lib/python3/dist-packages/UpdateManager/UpdateManager.py", line 285, in _get_ua_security_status
      s = json.load(p.stdout)
    File "/usr/lib/python3.10/json/__init__.py", line 293, in load
      return loads(fp.read(),
    File "/usr/lib/python3.10/json/__init__.py", line 346, in loads
      return _default_decoder.decode(s)
    File "/usr/lib/python3.10/json/decoder.py", line 337, in decode
      obj, end = self.raw_decode(s, idx=_w(s, 0).end())
    File "/usr/lib/python3.10/json/decoder.py", line 355, in raw_decode
      raise JSONDecodeError("Expecting value", s, err.value) from None
  json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

  System: Ubuntu 22.04.4 LTS

  Package version: update-manager: version 1:22.04.19

  What is expected: for the program to run without crashing.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubuntu-advantage-tools 31.2~22.04
  ProcVersionSignature: Ubuntu 6.1.0-1035.35-oem 6.1.78
  Uname: Linux 6.1.0-1035-oem x86_64
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Mar 17 21:06:44 2024
  DistributionChannelDescriptor:
   # This is the distribution channel descriptor for the OEM CDs
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-jammy-amd64-20220504-33
  InstallationDate: Installed on 2024-01-27 (50 days ago)
  InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - somerville-jammy-amd64-20220504-33
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-advantage-tools
  UpgradeStatus: No upgrade log present (probably fresh install)
  apparmor_logs.txt:
   
  cloud-id.txt-error: Invalid command specified 'cloud-id'.
  livepatch-status.txt-error: Failed running command '/snap/bin/canonical-livepatch status' [exit(1)]. Message: error executing status: open /var/snap/canonical-livepatch/264/livepatchd.err: permission denied
  uaclient.conf:
   contract_url: https://contracts.canonical.com
   log_level: debug

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