[Bug 1575248] Re: "AppStream cache update completed, but some metadata was ignored due to errors." on "sudo apt-get update"

Matthias Klumpp matthias at tenstral.net
Thu Nov 24 10:48:05 UTC 2016 

** Bug watch added: Debian Bug tracker #837765
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=837765

** Also affects: fwupd (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=837765
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1575248

Title:
  "AppStream cache update completed, but some metadata was ignored due
  to errors." on "sudo apt-get update"

Status in AppStream:
  Invalid
Status in Ubuntu GNOME:
  Confirmed
Status in appstream package in Ubuntu:
  Invalid
Status in fwupd package in Ubuntu:
  Fix Released
Status in fwupd source package in Xenial:
  Fix Released
Status in fwupd package in Debian:
  Unknown

Bug description:
  [Impact]

   * Checks for apt updates using apt or apt-get also update the
  appstream cache.  Some of the appstream metadata installed locally
  isn't strictly valid as it's missing two fields.

  [Test Case]

   * fwupdmgr refresh
   * apt update
   * check for errors about metadata being ignored

  [Regression Potential]

   * This is just changing the XML metadata locally, I don't see any
  regression potential.

  [Other Info]
   
   * This fix has been applied upstream: https://github.com/hughsie/fwupd/commit/f4e0e88f7cba833a4badc1a3d62f1a08dd1bfd96

  [Original report]

  I have found that when there are new packages available which my
  machine doesn't know about yet, if I run "sudo apt-get update" this is
  the output:

      Get:1 http://gb.archive.ubuntu.com/ubuntu xenial InRelease [247 kB]
      Hit:2 http://security.ubuntu.com/ubuntu xenial-security InRelease
      Get:3 http://gb.archive.ubuntu.com/ubuntu xenial-updates InRelease [82.2 kB]
      Get:4 http://security.ubuntu.com/ubuntu xenial-security/main i386 Packages [28 B]
      Get:5 http://gb.archive.ubuntu.com/ubuntu xenial-backports InRelease [82.2 kB]
      Get:6 http://security.ubuntu.com/ubuntu xenial-security/restricted i386 Packages [28 B]
      Get:7 http://security.ubuntu.com/ubuntu xenial-security/universe i386 Packages [28 B]
      Get:8 http://security.ubuntu.com/ubuntu xenial-security/multiverse amd64 Packages [28 B]
      Get:9 http://security.ubuntu.com/ubuntu xenial-security/multiverse i386 Packages [28 B]
      Get:10 http://security.ubuntu.com/ubuntu xenial-security/multiverse Translation-en [28 B]
      Get:11 http://gb.archive.ubuntu.com/ubuntu xenial/main amd64 Packages [1,201 kB]
      Get:12 http://gb.archive.ubuntu.com/ubuntu xenial/main i386 Packages [1,196 kB]
      Get:13 http://gb.archive.ubuntu.com/ubuntu xenial/main Translation-en_GB [426 kB]
      Get:14 http://gb.archive.ubuntu.com/ubuntu xenial/main Translation-en [568 kB]
      Get:15 http://gb.archive.ubuntu.com/ubuntu xenial/main amd64 DEP-11 Metadata [733 kB]
      Get:16 http://gb.archive.ubuntu.com/ubuntu xenial/main DEP-11 64x64 Icons [409 kB]
      Get:17 http://gb.archive.ubuntu.com/ubuntu xenial/restricted amd64 Packages [8,344 B]
      Get:18 http://gb.archive.ubuntu.com/ubuntu xenial/restricted i386 Packages [8,684 B]
      Get:19 http://gb.archive.ubuntu.com/ubuntu xenial/restricted Translation-en_GB [2,556 B]
      Get:20 http://gb.archive.ubuntu.com/ubuntu xenial/restricted Translation-en [2,908 B]
      Get:21 http://gb.archive.ubuntu.com/ubuntu xenial/restricted amd64 DEP-11 Metadata [186 B]
      Get:22 http://gb.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages [7,532 kB]
      Get:23 http://gb.archive.ubuntu.com/ubuntu xenial/universe i386 Packages [7,512 kB]
      Get:24 http://gb.archive.ubuntu.com/ubuntu xenial/universe Translation-en_GB [3,040 kB]
      Get:25 http://gb.archive.ubuntu.com/ubuntu xenial/universe Translation-en [4,354 kB]
      Get:26 http://gb.archive.ubuntu.com/ubuntu xenial/universe amd64 DEP-11 Metadata [3,410 kB]
      Get:27 http://gb.archive.ubuntu.com/ubuntu xenial/universe DEP-11 64x64 Icons [7,448 kB]
      Get:28 http://gb.archive.ubuntu.com/ubuntu xenial/multiverse amd64 Packages [144 kB]
      Get:29 http://gb.archive.ubuntu.com/ubuntu xenial/multiverse i386 Packages [140 kB]
      Get:30 http://gb.archive.ubuntu.com/ubuntu xenial/multiverse Translation-en_GB [88.1 kB]
      Get:31 http://gb.archive.ubuntu.com/ubuntu xenial/multiverse Translation-en [106 kB]
      Get:32 http://gb.archive.ubuntu.com/ubuntu xenial/multiverse amd64 DEP-11 Metadata [63.8 kB]
      Get:33 http://gb.archive.ubuntu.com/ubuntu xenial/multiverse DEP-11 64x64 Icons [230 kB]
      Get:34 http://gb.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages [28 B]
      Get:35 http://gb.archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages [28 B]
      Get:36 http://gb.archive.ubuntu.com/ubuntu xenial-updates/main Translation-en [28 B]
      Get:37 http://gb.archive.ubuntu.com/ubuntu xenial-updates/restricted amd64 Packages [28 B]
      Get:38 http://gb.archive.ubuntu.com/ubuntu xenial-updates/restricted i386 Packages [28 B]
      Get:39 http://gb.archive.ubuntu.com/ubuntu xenial-updates/restricted Translation-en [28 B]
      Get:40 http://gb.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages [28 B]
      Get:41 http://gb.archive.ubuntu.com/ubuntu xenial-updates/universe i386 Packages [28 B]
      Get:42 http://gb.archive.ubuntu.com/ubuntu xenial-updates/universe Translation-en [28 B]
      Get:43 http://gb.archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 Packages [28 B]
      Get:44 http://gb.archive.ubuntu.com/ubuntu xenial-updates/multiverse i386 Packages [28 B]
      Get:45 http://gb.archive.ubuntu.com/ubuntu xenial-updates/multiverse Translation-en [28 B]
      Get:46 http://gb.archive.ubuntu.com/ubuntu xenial-backports/main amd64 Packages [28 B]
      Get:47 http://gb.archive.ubuntu.com/ubuntu xenial-backports/main i386 Packages [28 B]
      Get:48 http://gb.archive.ubuntu.com/ubuntu xenial-backports/main Translation-en [28 B]
      Get:49 http://gb.archive.ubuntu.com/ubuntu xenial-backports/restricted amd64 Packages [28 B]
      Get:50 http://gb.archive.ubuntu.com/ubuntu xenial-backports/restricted i386 Packages [28 B]
      Get:51 http://gb.archive.ubuntu.com/ubuntu xenial-backports/restricted Translation-en [28 B]
      Get:52 http://gb.archive.ubuntu.com/ubuntu xenial-backports/universe amd64 Packages [28 B]
      Get:53 http://gb.archive.ubuntu.com/ubuntu xenial-backports/universe i386 Packages [28 B]
      Get:54 http://gb.archive.ubuntu.com/ubuntu xenial-backports/universe Translation-en [28 B]
      Get:55 http://gb.archive.ubuntu.com/ubuntu xenial-backports/multiverse amd64 Packages [28 B]
      Get:56 http://gb.archive.ubuntu.com/ubuntu xenial-backports/multiverse i386 Packages [28 B]
      Get:57 http://gb.archive.ubuntu.com/ubuntu xenial-backports/multiverse Translation-en [28 B]
      Fetched 39.0 MB in 7min 59s (81.3 kB/s)
      AppStream cache update completed, but some metadata was ignored due to errors.
      Reading package lists... Done

  And when running "sudo appstreamcli refresh --force --verbose" the
  output is as follows:

      ** (appstreamcli:2227): DEBUG: Refreshing AppStream cache
      ** (appstreamcli:2227): DEBUG: Reading: /usr/share/app-info/xmls/org.freedesktop.fwupd.xml
      ** (appstreamcli:2227): DEBUG: Reading: /var/lib/app-info/yaml/gb.archive.ubuntu.com_ubuntu_dists_xenial_universe_dep11_Components-amd64.yml.gz
      ** (appstreamcli:2227): DEBUG: Reading: /var/lib/app-info/yaml/gb.archive.ubuntu.com_ubuntu_dists_xenial-updates_main_dep11_Components-amd64.yml.gz
      ** (appstreamcli:2227): DEBUG: Reading: /var/lib/app-info/yaml/gb.archive.ubuntu.com_ubuntu_dists_xenial_multiverse_dep11_Components-amd64.yml.gz
      ** (appstreamcli:2227): DEBUG: Reading: /var/lib/app-info/yaml/gb.archive.ubuntu.com_ubuntu_dists_xenial_main_dep11_Components-amd64.yml.gz
      ** (appstreamcli:2227): DEBUG: Reading: /var/lib/app-info/yaml/gb.archive.ubuntu.com_ubuntu_dists_xenial_restricted_dep11_Components-amd64.yml.gz
      ** (appstreamcli:2227): DEBUG: Reading: /var/lib/app-info/yaml/gb.archive.ubuntu.com_ubuntu_dists_xenial-updates_restricted_dep11_Components-amd64.yml.gz
      ** (appstreamcli:2227): DEBUG: Reading: /var/lib/app-info/yaml/gb.archive.ubuntu.com_ubuntu_dists_xenial-updates_universe_dep11_Components-amd64.yml.gz
      ** (appstreamcli:2227): DEBUG: Reading: /var/lib/app-info/yaml/gb.archive.ubuntu.com_ubuntu_dists_xenial-updates_multiverse_dep11_Components-amd64.yml.gz
      ** (appstreamcli:2227): DEBUG: Reading: /var/lib/app-info/yaml/security.ubuntu.com_ubuntu_dists_xenial-security_main_dep11_Components-amd64.yml.gz
      ** (appstreamcli:2227): DEBUG: Reading: /var/lib/app-info/yaml/security.ubuntu.com_ubuntu_dists_xenial-security_restricted_dep11_Components-amd64.yml.gz
      ** (appstreamcli:2227): DEBUG: Reading: /var/lib/app-info/yaml/security.ubuntu.com_ubuntu_dists_xenial-security_universe_dep11_Components-amd64.yml.gz
      ** (appstreamcli:2227): DEBUG: Reading: /var/lib/app-info/yaml/security.ubuntu.com_ubuntu_dists_xenial-security_multiverse_dep11_Components-amd64.yml.gz
      ** (appstreamcli:2227): DEBUG: Reading: /var/cache/app-info/xmls/fwupd.xml
      ** (appstreamcli:2227): DEBUG: Detected colliding ids: plan.desktop was already added with the same priority.
      ** (appstreamcli:2227): DEBUG: Detected colliding ids: flcheckers.desktop was already added with the same priority.
      ** (appstreamcli:2227): DEBUG: Detected colliding ids: flblocks.desktop was already added with the same priority.
      ** (appstreamcli:2227): DEBUG: Detected colliding ids: flsudoku.desktop was already added with the same priority.
      ** (appstreamcli:2227): DEBUG: zathura-pdf-poppler.desktop extends zathura.desktop, but zathura.desktop was not found.
      ** (appstreamcli:2227): DEBUG: WARNING: Skipped component 'com.steelseries.rival-legacy.firmware': The component is invalid.
      ** (appstreamcli:2227): DEBUG: Removing old rebuild-dir from previous database rebuild.
      AppStream cache update completed, but some metadata was ignored due to errors.

  I have found this to be present on all Ubuntu 16.04 flavours which I
  have tried, I have also been informed that this is likely to be a
  server-side issue. You can also see from this
  https://askubuntu.com/q/761884/364819 that many are experiencing it.

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