[Bug 1543474] Re: I am trying to upgrade..

[Brian Murray]

The upgrade failed due to a connectivity issue:

2016-02-09 09:48:22,006 ERROR IOError/SystemError in cache.update(): 'W:Failed to fetch http://mirror.nus.edu.sg/ubuntu/dists/wily/universe/source/Sources  Unable to connect to mirror.nus.edu.sg:http:
, W:Failed to fetch http://mirror.nus.edu.sg/ubuntu/dists/wily/multiverse/source/Sources  Unable to connect to mirror.nus.edu.sg:http:
, W:Failed to fetch http://mirror.nus.edu.sg/ubuntu/dists/wily/main/binary-amd64/Packages  Unable to connect to mirror.nus.edu.sg:http:

You'll need to investigate why you can't connect to the mirror of Ubuntu
which you have configured and sort that out or switch mirrors and see if
you can connect to a different one.

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

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https://bugs.launchpad.net/bugs/1543474

Title:
  I am trying to upgrade..

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

Bug description:
  This is automatically reported.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubuntu-release-upgrader-core 1:15.04.14.3
  ProcVersionSignature: Ubuntu 3.19.0-49.55-generic 3.19.8-ckt12
  Uname: Linux 3.19.0-49-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.8
  Architecture: amd64
  CrashDB: ubuntu
  Date: Tue Feb  9 14:19:39 2016
  InstallationDate: Installed on 2016-01-10 (29 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to vivid on 2016-02-09 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2016-02-09 09:45:55.128708
   Log time: 2016-02-09 09:46:13.799019
   Log time: 2016-02-09 09:49:02.409638
   Log time: 2016-02-09 14:19:43.698367
  VarLogDistupgradeTermlog:

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