[Bug 1988227] Re: Removing /etc/apache2/conf-available/javascript-common.conf causes crash when upgrading from focal

[Launchpad Bug Tracker]

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

** Changed in: javascript-common (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1988227

Title:
  Removing /etc/apache2/conf-available/javascript-common.conf causes
  crash when upgrading from focal

Status in apache2 package in Ubuntu:
  In Progress
Status in javascript-common package in Ubuntu:
  Confirmed

Bug description:
  With apache2 and javascript-common installed, if /etc/apache2/conf-
  available/javascript-common.conf is deleted then the command

  a2enconf javascript-common

  will fail causing apache2 to crash when upgrading. This is similar to
  LP: #1986959 and its duplicates, though not the same given the symlink
  error stated:

  ERROR: /etc/apache2/conf-enabled/javascript-common.conf is a dangling
  symlink!

  
  To reproduce, you can run the following commands:

  # lxc launch images:ubuntu/focal test-apache2
  # lxc exec test-apache2 bash

  # apt update && apt dist-upgrade -y
  # apt install ubuntu-release-upgrader-core apport pciutils apache2 javascript-common -y
  # rm /etc/apache2/conf-available/javascript-common.conf
  # do-release-upgrade

  ProblemType: Package
  DistroRelease: Ubuntu 22.04
  Package: apache2 2.4.52-1ubuntu4.1
  ProcVersionSignature: Ubuntu 5.15.0-46.49-generic 5.15.39
  Uname: Linux 5.15.0-46-generic x86_64
  000-default.conf: Error: [Errno 40] Too many levels of symbolic links: '/etc/apache2/sites-enabled/000-default.conf'
  Apache2ConfdDirListing: False
  Apache2Modules:
   AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 127.0.1.1. Set the 'ServerName' directive globally to suppress this message
   httpd (pid 3909) already running
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  CasperMD5CheckResult: unknown
  Date: Tue Aug 30 21:26:42 2022
  Dmesg:
   
  ErrorMessage: installed apache2 package post-installation script subprocess returned error exit status 1
  Python3Details: /usr/bin/python3.10, Python 3.10.4, python3-minimal, 3.10.4-0ubuntu2
  PythonDetails: N/A
  RebootRequiredPkgs: Error: path contained symlinks.
  RelatedPackageVersions:
   dpkg 1.21.1ubuntu2.1
   apt  2.4.7
  SourcePackage: apache2
  Title: package apache2 2.4.52-1ubuntu4.1 failed to install/upgrade: installed apache2 package post-installation script subprocess returned error exit status 1
  UpgradeStatus: Upgraded to jammy on 2022-08-30 (0 days ago)
  error.log:
   [Tue Aug 30 21:24:00.367235 2022] [mpm_event:notice] [pid 2530:tid 140097858546752] AH00489: Apache/2.4.41 (Ubuntu) configured -- resuming normal operations
   [Tue Aug 30 21:24:00.367323 2022] [core:notice] [pid 2530:tid 140097858546752] AH00094: Command line: '/usr/sbin/apache2'
   [Tue Aug 30 21:25:24.067795 2022] [mpm_event:notice] [pid 2530:tid 140097858546752] AH00491: caught SIGTERM, shutting down
   [Tue Aug 30 21:25:24.101614 2022] [mpm_event:notice] [pid 3909:tid 140294896139392] AH00489: Apache/2.4.41 (Ubuntu) configured -- resuming normal operations
   [Tue Aug 30 21:25:24.101704 2022] [core:notice] [pid 3909:tid 140294896139392] AH00094: Command line: '/usr/sbin/apache2'

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