ubuntu-release-upgrader crashes with DistUpgrade/sourceslist.py", line 416, in save : UnicodeEncodeError: 'ascii' codec can't encode characters in position 97-114: ordinal not in range(128)

Yes, this happens when there are non-ascii character in one of the apt sources files.

…which must be very common because the disabled sources comment added by the release upgrade process is localized !

For example in French, the following was added to all my sources.list.d/*.list.distUpgrade during former upgrades :
désactivé pour la mise à niveau vers raring désactivé pour la mise à niveau vers saucy
(which translates to something like « disable for raring uprgade disabled for saucy upgrade »)

This gives us a clue that this bug is a regression from the Trusty cycle.
The raring -> saucy upgrade did work eventhough there were already non-ascii characters in sources files.

may be, it is the same problem as
https://bugs.launchpad.net/bugs/1251588

if you like, try the solution, may be it works

Thomas

That's not a really good work around as the release upgrader has lots of logic to ensure upgrades go smoothly.

This bug was fixed in the package ubuntu-release-upgrader - 1:0.217

---------------
ubuntu-release-upgrader (1:0.217) trusty; urgency=medium

  * debian/91-release-upgrade: if using the development release don't check
    for a new release.
  * include new version of python-apt's sourceslist.py (LP: #1278280)
 -- Brian Murray <email address hidden> Mon, 17 Mar 2014 16:30:41 -0700

I've uploaded a new version of the release-upgrader and would appreciate it if people could test the upgrade again.

Doesn't work. I attempted a saucy to trusty upgrade using trusty's ubuntu-release-upgrader 1:0.219.2 and update-manager 1:0.196.9

File "/tmp/ubuntu-release-upgrader-ttg_o_/DistUpgrade/sourceslist.py", line 416, in save
    files[source.file].write(source.str())
UnicodeEncodeError: 'ascii' codec can't encode character u'\xe3' in position 92: ordinal not in range(128)

No solution so far? I deleted all files in /etc/apt/sources.list.d/ but still same. In sources.list is just the standard stuff. Nothing with unicode.

The obvious workaround is to launch the upgrade with
LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8 LANGUAGE=en_US.UTF-8 update-manager -d

Still should be fixed (obviously).

Jan-Phillipp, that doesn't work. Same problem as before. Although the UI is
in English, console output is still localized.
I also used a script to remove all non ASCII characters from apt.d, so I'm
not user where the 'ã' is coming from.

2014-04-04 17:51 GMT+01:00 Jan-Philipp Litza <email address hidden>:

> The obvious workaround is to launch the upgrade with
> LC_ALL=en_US.UTF-8 LANG=en_US.UTF-8 LANGUAGE=en_US.UTF-8 update-manager -d
>
> Still should be fixed (obviously).
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1278280
>
> Title:
> ubuntu-release-upgrader crashes with DistUpgrade/sourceslist.py", line
> 416, in save : UnicodeEncodeError: 'ascii' codec can't encode
> characters in position 97-114: ordinal not in range(128)
>
> Status in “ubuntu-release-upgrader” package in Ubuntu:
> Triaged
>
> Bug description:
> Errors bucket:
>
> https://errors.ubuntu.com/problem/1d7beca9c37b1f8277e5584cb4f844293e56afc5
>
> 部分升级错误
>
> ProblemType: BugDistroRelease: Ubuntu 14.04
> Package: ubuntu-release-upgrader-core 1:0.210
> Uname: Linux 3.14.0-031400rc1-lowlatency x86_64
> ApportVersion: 2.13.2-0ubuntu2
> Architecture: amd64
> CrashDB: ubuntu
> CurrentDesktop: Unity
> Date: Mon Feb 10 13:38:40 2014
> InstallationDate: Installed on 2013-09-13 (150 days ago)
> InstallationMedia: UbuntuKylin 13.10 "Saucy Salamander" - Alpha amd64
> (20130724)
> PackageArchitecture: allSourcePackage: ubuntu-release-upgrader
> UpgradeStatus: Upgraded to trusty on 2013-11-02 (99 days ago)
> VarLogDistupgradeTermlog:
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1278280/+subscriptions
>

I have the same issue when i try to upgrade to 16.04 from 15.10 of UbuntuGNome