[Bug 1471493] [NEW] package nginx-core 1.6.2-5ubuntu3 failed to install/upgrade. Job for nginx.service failed.

[if.gnu.linux]

Public bug reported:

If I try to install nginx on Ubuntu 15.04, dpkg returns an error saying
"Job for nginx.service failed. See "systemctl status nginx.service" and
"journalctl -xe" for details.". It is dublicate of bug #1447294.

Output of command LC_ALL=C systemctl status nginx.service added as an
attachment: systemctl.txt

Output of command LC_ALL=C sudo journalctl -xe added as an attachment:
journalctl.txt

Output of command LC_ALL=C sudo apt-get install nginx added as an
attachment: apt-get.txt

As recommended in bug #1447294, output of sudo nginx command:
LC_ALL=C sudo nginx 
[sudo] password for if: 
nginx: [emerg] socket() [::]:80 failed (97: Address family not supported by protocol)

It seems that "listen [::]:80 default_server;" directive is causing the
problem. I disabled ipv6 module using ipv6.disable=1 kernel parameter,
so this problem could be related to IPv6.

Workaround:
1- Comment out "listen [::]:80 default_server;" directive
2- LC_ALL=C sudo dpkg --configure nginx-core
3- LC_ALL=C sudo dpkg --configure nginx


LC_ALL=C apt-cache policy nginx
nginx:
  Installed: 1.6.2-5ubuntu3
  Candidate: 1.6.2-5ubuntu3
  Version table:
 *** 1.6.2-5ubuntu3 0
        500 http://archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: nginx-core 1.6.2-5ubuntu3
ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
Uname: Linux 3.19.0-16-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
Date: Sun Jul  5 02:37:54 2015
DuplicateSignature: package:nginx-core:1.6.2-5ubuntu3:alt süreç post-installation betiği kuruldu 1 çıkış kodu ile sona erdi
ErrorMessage: alt süreç post-installation betiği kuruldu 1 çıkış kodu ile sona erdi
InstallationDate: Installed on 2015-04-26 (69 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt  1.0.9.7ubuntu4
SourcePackage: nginx
Title: package nginx-core 1.6.2-5ubuntu3 failed to install/upgrade: alt süreç post-installation betiği kuruldu 1 çıkış kodu ile sona erdi
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: nginx (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-package vivid

** Attachment added: "apt-get.txt"
   https://bugs.launchpad.net/bugs/1471493/+attachment/4424434/+files/apt-get.txt

** Summary changed:

- package nginx-core 1.6.2-5ubuntu3 failed to install/upgrade: alt süreç post-installation betiği kuruldu 1 çıkış kodu ile sona erdi
+ package nginx-core 1.6.2-5ubuntu3 failed to install/upgrade. Job for nginx.service failed.

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Title:
  package nginx-core 1.6.2-5ubuntu3 failed to install/upgrade. Job for
  nginx.service failed.

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