[Bug 1987613] Re: failed to update ubuntu to version 22.04 an incomprehensible error occurred

[Nick Rosbrook]

It looks like there is currently a problem with your mirror
(http://uz.archive.ubuntu.com/ubuntu/), and there is no information for
the jammy release:

2022-08-25 11:04:15,670 DEBUG examining: 'deb http://uz.archive.ubuntu.com/ubuntu/ focal main restricted'
2022-08-25 11:04:15,670 DEBUG verifySourcesListEntry: deb http://uz.archive.ubuntu.com/ubuntu/ jammy main restricted
2022-08-25 11:04:15,670 DEBUG url_downloadable: http://uz.archive.ubuntu.com/ubuntu//dists/jammy/Release
2022-08-25 11:04:15,670 DEBUG s='http' n='uz.archive.ubuntu.com' p='/ubuntu//dists/jammy/Release' q='' f=''
2022-08-25 11:04:15,693 DEBUG error from httplib: 'HTTP Error 404: Not Found'

In the mean time, you can try a different mirror, and then try the
upgrade again.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1987613

Title:
  failed to update ubuntu to version 22.04 an incomprehensible error
  occurred

Status in ubuntu-release-upgrader package in Ubuntu:
  Incomplete

Bug description:
  failed to update ubuntu to version 22.04 an incomprehensible error
  occurred

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.37 [origin: unknown]
  ProcVersionSignature: Ubuntu 5.15.0-46.49~20.04.1-generic 5.15.39
  Uname: Linux 5.15.0-46-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.24
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  Date: Thu Aug 25 11:05:03 2022
  InstallationDate: Installed on 2022-03-21 (156 days ago)
  InstallationMedia: Ubuntu 20.04.4 LTS "Focal Fossa" - Release amd64 (20220223)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2022-08-25 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2022-08-25 11:03:53.764986
   Log time: 2022-08-25 11:03:57.848446
   Log time: 2022-08-25 11:04:54.540069
   Log time: 2022-08-25 11:05:07.018440
  VarLogDistupgradeTermlog:

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