OK, apparently the repository Packages.bz2 had not updated, but Packages.gz and Packages had. It seems to have been fixed now.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/1864623 Title: apt-get attempts to download Packages.xz which is not InRelease and does not exist Status in apt package in Ubuntu: Invalid Bug description: When trying to install the latest virtualbox-6.0 from virtualbox.org, we got a failure: Err:1 http://download.virtualbox.org/virtualbox/debian xenial/contrib amd64 virtualbox-6.0 amd64 6.0.16-135674~Ubuntu~xenial 404 Not Found E: Failed to fetch http://download.virtualbox.org/virtualbox/debian/pool/contrib/v/virtualbox-6.0/virtualbox-6.0_6.0.16-135674~Ubuntu~xenial_amd64.deb 404 Not Found We expected that this was a case of `apt-get update` not having been run before `apt-get install`, but turns out it's a bit more interesting: apt-get update fetched the following files: ubuntu@ubuntu:~$ apt-get --print-uris update |grep virtualbox 'http://download.virtualbox.org/virtualbox/debian/dists/xenial/InRelease' download.virtualbox.org_virtualbox_debian_dists_xenial_InRelease 0 'http://download.virtualbox.org/virtualbox/debian/dists/xenial/contrib/binary-amd64/Packages.xz' download.virtualbox.org_virtualbox_debian_dists_xenial_contrib_binary-amd64_Packages 0 'http://download.virtualbox.org/virtualbox/debian/dists/xenial/contrib/binary-all/Packages.xz' download.virtualbox.org_virtualbox_debian_dists_xenial_contrib_binary-all_Packages 0 'http://download.virtualbox.org/virtualbox/debian/dists/xenial/contrib/i18n/Translation-en.xz' download.virtualbox.org_virtualbox_debian_dists_xenial_contrib_i18n_Translation-en 0 http://download.virtualbox.org/virtualbox/debian/dists/xenial/InRelease returns 200 and lists a bunch of Packages lists. However, it does *not* list contrib/binary-amd64/Packages.xz, only: - contrib/binary-amd64/Packages - contrib/binary-amd64/Packages.gz - contrib/binary-amd64/Packages.bz2 For some reason, apt still attempts to download the .xz files, and does not even report an error for them! Trying to download the file locally, I get a 404, but with an HTML error page as the content: $ curl -v 'http://download.virtualbox.org/virtualbox/debian/dists/xenial/contrib/binary-amd64/Packages.xz' | head -n 20 % Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0* Trying 2.22.40.42... * TCP_NODELAY set * Connected to download.virtualbox.org (2.22.40.42) port 80 (#0) > GET /virtualbox/debian/dists/xenial/contrib/binary-amd64/Packages.xz HTTP/1.1 > Host: download.virtualbox.org > User-Agent: curl/7.58.0 > Accept: */* > 0 0 0 0 0 0 0 0 --:--:-- 0:00:02 --:--:-- 0< HTTP/1.1 404 Not Found < Accept-Ranges: bytes < Content-Type: text/html < ETag: "477d9862374177c810b0b7d73b4f1e53:1531792454.541174" < Last-Modified: Wed, 31 Aug 2011 20:28:54 GMT < Server: AkamaiNetStorage < Content-Length: 7073 < Date: Tue, 25 Feb 2020 09:08:16 GMT < Connection: keep-alive < { [7073 bytes data] 100 7<html> <head> <title>Error Page 404</title> <base href="http://download.oracle.com/index.html"; /> <META NAME="ROBOTS" CONTENT="NOINDEX, NOFOLLOW"> <link rel="stylesheet" type="text/css" href="/errors/us/assets/hp-styles.css" /> <link rel="stylesheet" type="text/css" href="/errors/us/assets/master-master.css" /> I think it's a bug that: a) apt tries to download Packages files not listed in InRelease b) apt does not report errors on 404 it gets when downloading them It is of course possible that apt get a *different* InRelease and a *different* response when trying to download the .xz files, but that seems unlikely. If you want to, I can try to confirm the actual network traffic. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1864623/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
