[Bug 2003942] Re: update-manager crashed with json.decoder.JSONDecodeError in raw_decode(): Expecting value: line 1 column 1 (char 0)

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: update-manager (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/2003942

Title:
  update-manager crashed with json.decoder.JSONDecodeError in
  raw_decode(): Expecting value: line 1 column 1 (char 0)

Status in update-manager package in Ubuntu:
  Confirmed

Bug description:
  Description:	Ubuntu Lunar Lobster (development branch)
  Release:	23.04

  Got the error message whilst running sudo apt update. I think it
  appeared while this was on the bottom of the terminal window:

  lintian_2.116.1ubuntu3_all.deb

  It did not seem to affect the updating process.

  ProblemType: Crash
  DistroRelease: Ubuntu 23.04
  Package: update-manager 1:22.10.5
  ProcVersionSignature: Ubuntu 5.19.0-21.21-generic 5.19.7
  Uname: Linux 5.19.0-21-generic x86_64
  ApportVersion: 2.24.0-0ubuntu2
  Aptdaemon:
   
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: MATE
  Date: Wed Jan 25 06:00:40 2023
  ExecutablePath: /usr/bin/update-manager
  GsettingsChanges:
   b'com.ubuntu.update-manager' b'launch-count' b'2'
   b'com.ubuntu.update-manager' b'launch-time' b'int64 1674648036'
  InstallationDate: Installed on 2023-01-14 (12 days ago)
  InstallationMedia: Ubuntu-MATE 23.04 "Lunar Lobster" - Alpha amd64 (20221204)
  InterpreterPath: /usr/bin/python3.10
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/bin/update-manager --no-update --no-focus-on-map
  ProcEnviron:
   LANGUAGE=en_CA:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  Python3Details: /usr/bin/python3.10, Python 3.10.9, python3-minimal, 3.10.6-1ubuntu1
  PythonArgs: ['/usr/bin/update-manager', '--no-update', '--no-focus-on-map']
  PythonDetails: N/A
  SourcePackage: update-manager
  Title: update-manager crashed with json.decoder.JSONDecodeError in raw_decode(): Expecting value: line 1 column 1 (char 0)
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo users

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