8000 APP Center shows blank screen when selecting an app · Issue #1884 · ubuntu/app-center · GitHub
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dvictori opened this issue Jan 17, 2025 · 12 comments
Closed
1 task done

APP Center shows blank screen when selecting an app #1884

dvictori opened this issue Jan 17, 2025 · 12 comments
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@sminez @matthew-hagemann @d-loose
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bug

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@dvictori
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Is there an existing issue for this?

  • I have searched the existing issues and found none matching what I'm reporting.

Bug Description

I'm on a fresh Ubuntu 24.04 install and when I open App Center I can see the available apps. But when I click on an app to install, All I get is a blank screen.

Below is a screencast

Screencast.from.2025-01-17.09-08-41.webm

Steps to reproduce the behavior

  1. Open App Center
  2. Click on any app shown

Expected behavior

No response

Ubuntu release

24.04 LTS

What architecture are you using?

amd64

System info

6.8.0-51-generic #52-Ubuntu SMP PREEMPT_DYNAMIC Thu Dec 5 13:09:44 UTC 2024
name: snap-store
summary: Snap Store is a graphical desktop application for discovering,
installing and managing snaps on Linux.
publisher: Canonical**
store-url: https://snapcraft.io/snap-store
contact: https://bugs.launchpad.net/snap-store/
license: unset
description: |
Snap Store showcases featured and popular applications with useful
descriptions, ratings, reviews and screenshots.

Applications can be found either through browsing categories or by
searching.

Snap Store can also be used to switch channels, view and alter snap
permissions and view and submit reviews and ratings.

Snap Store is based on GNOME Software, optimized for the Snap experience.
commands:

  • snap-store.show-updates
  • snap-store
    snap-id: gjf3IPXoRiipCu9K0kVu52f0H56fIksg
    tracking: 2/stable
    refresh-date: yesterday at 16:11 -03
    channels:
    2/stable: 0+git.7a3a49a6 2024-12-19 (1248) 11MB -
    2/candidate: ^
    2/beta: ^
    2/edge: 0+git.7a3a49a6 2024-12-18 (1248) 11MB -
    latest/stable: 41.3-72-g80e7130 2024-09-22 (1216) 12MB -
    latest/candidate: ^
    latest/beta: ^
    latest/edge: 0+git.7a3a49a6 2024-12-18 (1248) 11MB -
    preview/stable: --
    preview/candidate: 0.2.7-alpha 2023-02-02 (864) 10MB -
    preview/beta: ^
    preview/edge: 0.3.0-alpha 2023-08-14 (1017) 11MB -
    1/stable: 41.3-72-g80e7130 2024-09-22 (1216) 12MB -
    1/candidate: ^
    1/beta: ^
    1/edge: 41.3-72-g80e7130 2024-09-16 (1216) 12MB -
    installed: 0+git.7a3a49a6 (1248) 11MB -

name: snapd
summary: Daemon and tooling that enable snap packages
publisher: Canonical**
store-url: https://snapcraft.io/snapd
contact: https://github.com/snapcore/snapd/issues
license: GPL-3.0
description: |
Install, configure, refresh and remove snap packages. Snaps are
'universal' packages that work across many different Linux systems,
enabling secure distribution of the latest apps and utilities for
cloud, servers, desktops and the internet of things.

Start with 'snap list' to see installed snaps.
type: snapd
snap-id: PMrrV4ml8uWuEUDBT8dSGnKUYbevVhc4
tracking: latest/stable
refresh-date: yesterday at 13:53 -03
channels:
latest/stable: 2.67 2025-01-11 (23545) 46MB -
latest/candidate: 2.67 2024-12-17 (23545) 46MB -
latest/beta: 2.67.1 2025-01-17 (23771) 46MB -
latest/edge: 2.67.1+git154.g853c77f 2025-01-17 (23770) 50MB -
installed: 2.67 (23545) 46MB snapd

Additional context

I'm behind a network proxy. I did set up the snapd proxy and I can install snap apps using the CLI. A can also use APP Center to look for updates and install those
@dvictori dvictori added the bug label Jan 17, 2025
@d-loose
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d-loose commented Jan 17, 2025

Thanks for your report, could you please post the content of any relevant log files from ~/snap/snap-store/current/.local/share/snap-store (or run `snap-store via the terminal, reproduce the issue and post the terminal output)?

@dvictori
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Here goes. This is what shows up in the terminal when I run snap-store

Gtk-Message: 11:51:12.109: Not loading module "atk-bridge": The functionality is provided by GTK natively. Please try to not load it.

(snap-store:7247): Gtk-WARNING **: 11:51:12.163: GTK+ module /snap/snap-store/1248/gnome-platform/usr/lib/gtk-2.0/modules/libcanberra-gtk-module.so cannot be loaded.
GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported.
Gtk-Message: 11:51:12.163: Failed to load module "canberra-gtk-module"

(snap-store:7247): Gtk-WARNING **: 11:51:12.164: GTK+ module /snap/snap-store/1248/gnome-platform/usr/lib/gtk-2.0/modules/libcanberra-gtk-module.so cannot be loaded.
GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported.
Gtk-Message: 11:51:12.164: Failed to load module "canberra-gtk-module"
flutter: INFO snap-store: Logging to /home/m330625/snap/snap-store/1248/.local/share/snap-store/snap-store.log

(snap-store:7247): GLib-WARNING **: 11:51:12.434: getpwuid_r(): failed due to unknown user id (4889)
flutter: INFO appstream: Unsupported locale: POSIX. Defaulting to "en".
flutter: Invalid argument(s): Invalid locale "POSIX"
flutter: #0      _throwLocaleError (package:intl/src/intl_helpers.dart:208)
flutter: #1      verifiedLocale (package:intl/src/intl_helpers.dart:202)
flutter: #2      verifiedLocale (package:intl/src/intl_helpers.dart:182)
flutter: #3      new DateFormat (package:intl/src/intl/date_format.dart:267)
flutter: #4      new DateFormat.yMMMd (package:intl/src/intl/date_format.dart:548)
flutter: #5      _SnapView.build (package:app_center/snapd/snap_page.dart:116)
flutter: #6      StatelessElement.build (package:flutter/src/widgets/framework.dart:5687)
flutter: #7      ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5617)
flutter: #8      Element.rebuild (package:flutter/src/widgets/framework.dart:5333)
flutter: #9      ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:5599)
flutter: #10     ComponentElement.mount (package:flutter/src/widgets/framework.dart:5593)
flutter: #11     Element.inflateWidget (package:flutter/src/widgets/framework.dart:4468)
flutter: #12     Element.updateChild (package:flutter/src/widgets/framework.dart:3963)
flutter: #13     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5642)
flutter: #14     Element.rebuild (package:flutter/src/widgets/framework.dart:5333)
flutter: #15     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:5599)
flutter: #16     ComponentElement.mount (package:flutter/src/widgets/framework.dart:5593)
flutter: #17     Element.inflateWidget (package:flutter/src/widgets/framework.dart:4468)
flutter: #18     Element.updateChild (package:flutter/src/widgets/framework.dart:3963)
flutter: #19     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5642)
flutter: #20     Element.rebuild (package:flutter/src/widgets/framework.dart:5333)
flutter: #21     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:5599)
flutter: #22     ComponentElement.mount (package:flutter/src/widgets/framework.dart:5593)
flutter: #23     Element.inflateWidget (package:flutter/src/widgets/framework.dart:4468)
flutter: #24     Element.updateChild (package:flutter/src/widgets/framework.dart:3963)
flutter: #25     _LayoutBuilderElement._rebuildWithConstraints.updateChildCallback (package:flutter/src/widgets/layout_builder.dart:207)
flutter: #26     BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:3038)
flutter: #27     _LayoutBuilderElement._rebuildWithConstraints (package:flutter/src/widgets/layout_builder.dart:231)
flutter: #28     RenderObject.invokeLayoutCallback.<anonymous closure> (package:flutter/src/rendering/object.dart:2719)
flutter: #29     PipelineOwner._enableMutationsToDirtySubtrees (package:flutter/src/rendering/object.dart:1098)
flutter: #30     RenderObject.invokeLayoutCallback (package:flutter/src/rendering/object.dart:2719)
flutter: #31     RenderConstrainedLayoutBuilder.rebuildIfNecessary (package:flutter/src/widgets/layout_builder.dart:278)
flutter: #32     _RenderLayoutBuilder.performLayout (package:flutter/src/widgets/layout_builder.dart:369)
flutter: #33     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #34     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #35     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #36     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #37     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #38     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #39     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #40     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #41     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #42     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #43     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #44     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #45     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #46     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #47     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #48     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #49     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #50     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #51     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #52     RenderOffstage.performLayout (package:flutter/src/rendering/proxy_box.dart:3726)
flutter: #53     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #54     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #55     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #56     _RenderTheaterMixin.layoutChild (package:flutter/src/widgets/overlay.dart:1002)
flutter: #57     _RenderTheater.performLayout (package:flutter/src/widgets/overlay.dart:1311)
flutter: #58     RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:2446)
flutter: #59     PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1052)
flutter: #60     PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1065)
flutter: #61     RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:602)
flutter: #62     WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:1164)
flutter: #63     RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:468)
flutter: #64     SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1397)
flutter: #65     SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1318)
flutter: #66     SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1176)
flutter: #70     _invoke (dart:ui/hooks.dart:314)
flutter: #71     PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:419)
flutter: #72     _drawFrame (dart:ui/hooks.dart:283)
flutter: (elided 3 frames from dart:async)

(snap-store:7247): GLib-GObject-CRITICAL **: 11:51:20.430: ../src/gobject/gsignal.c:2777: instance '0x565063fddd40' has no handler with id '164'

** (snap-store:7247): CRITICAL **: 11:51:20.432: void fl_view_redraw(FlView *): assertion 'FL_IS_VIEW(self)' failed

** (snap-store:7247): WARNING **: 11:51:20.530: Attempted to set message handler on an FlBinaryMessenger without an engine

** (snap-store:7247): WARNING **: 11:51:20.530: Attempted to set message handler on an FlBinaryMessenger without an engine

@d-loose
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d-loose commented Jan 20, 2025

Thanks, it seems like the problem is cause by your locale. It looks like LANGUAGE is set to POSIX, which apparently isn't supported by dart's intl package.
I can reproduce the issue by running env LANGUAGE=POSIX snap-store. It works fine with env LANGUAGE=C snap-store, though.
Could you try to set a different locale and see if that resolves the issue?

@dvictori
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Bingo!! Doing env LANGUAGE=C snap-store works.

This is my current locale:

m330625@desk7802:~$ locale
LANG=en_US.UTF-8
LANGUAGE=
LC_CTYPE=pt_BR.UTF-8
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES=POSIX
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=

I had to manualy set LC_CTYPE to pt_BR so I can type "ç". I use English locale but international keyboard.

Any tips on fixing this? Or does this needs to be picked up by dart?

@d-loose
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d-loose commented Jan 20, 2025

It's probably best to configure your keyboard and language setup using GNOME settings. Alternatively, have a look at https://help.ubuntu.com/community/Locale.

@robert-ancell since you've previously helped us with the related issue #1659 - do you know if the POSIX locale is supposed to be supported by Flutter?

@dvictori
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I have a bit of a mix-up on my Locale. I use en_US with an international keyboard. But for whatever reason, GNOME will make an accented C (ċ) when I type ' + c, instead of the usual ç. Since I want ' + c to produced a cedilla (ç), I must set LC_CTYPE to something beginning with pt. This is explained in /etc/profile.d/cedilla-portuguese.sh on Ubuntu systems.

Apparently this can also be done by setting GTK_IM_MODULE=cedilla and QT_IM_MODULE=cedilla. But I haven't tested it. (https://askubuntu.com/a/1113491). Will try it out later this week

8000
@Feichtmeier
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This is prbly not the best approach to fix it, but since those locales often pop up to be weird for me, I use this band-aid fix

// ... somewhere where I check the local for date format
Platform.localeName == 'und' || Platform.localName == 'POSIX' ? 'en_US' : Platform.localeName

@robert-ancell
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@robert-ancell since you've previously helped us with the related issue #1659 - do you know if the POSIX locale is supposed to be supported by Flutter?

The Linux embedder just passes this string to Flutter - I doubt POSIX is supported as a language code.

@dvictori
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dvictori commented Feb 7, 2025

I removed all my cedilla settings and my locale was:

m330625@desk7802:~$ locale
LANG=en_US.UTF-8
LANGUAGE=
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES=POSIX
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=

Still, snap-store was not working. I then installed a fresh Ubuntu 24.04 and the only difference in locale was LC_MESSAGES="en_US.UTF-8". So, even if I leave $LANGUAGE empty but with $LC_MESSAGES=POSIX, things fail.

I've now returned all my cedilla locale options and changed /etc/default/locale to LC_MESSAGES ="en_US.UTF-8". And now snap-store works.

This is my locale now:

LANG=en_US.UTF-8
LANGUAGE=
LC_CTYPE=pt_BR.UTF-8
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_MESSAGES=en_US.UTF-8
LC_PAPER="en_US.UTF-8"
LC_NAME="en_US.UTF-8"
LC_ADDRESS="en_US.UTF-8"
LC_TELEPHONE="en_US.UTF-8"
LC_MEASUREMENT="en_US.UTF-8"
LC_IDENTIFICATION="en_US.UTF-8"
LC_ALL=

I have no idea how my LC_MESSAGES became POSIX...

@vcc-ehemdal
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vcc-ehemdal commented Feb 10, 2025 •
edited
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I've had this issue for a long time and never bothered to fix it (using GNOME Software instead)

Logs:

$ snap-store
Gtk-Message: 15:39:07.137: Not loading module "atk-bridge": The functionality is provided by GTK natively. Please try to not load it.
embedder.cc (3066): 'FlutterEngineUpdateLocales' returned 'kInvalidArguments'. Language code is required but not present in FlutterLocale.

** (snap-store:754611): WARNING **: 15:39:07.273: Failed to set up Flutter locales
flutter: INFO snap-store: Logging to /home/ehemdal/snap/snap-store/1254/.local/share/snap-store/snap-store.log
flutter: INFO appstream: Unsupported locale: und. Defaulting to "en".
flutter: Invalid argument(s): Invalid locale "und"
flutter: #0      _throwLocaleError (package:intl/src/intl_helpers.dart:208)
flutter: #1      verifiedLocale (package:intl/src/intl_helpers.dart:202)
flutter: #2      verifiedLocale (package:intl/src/intl_helpers.dart:182)
flutter: #3      new DateFormat (package:intl/src/intl/date_format.dart:267)
flutter: #4      new DateFormat.yMMMd (package:intl/src/intl/date_format.dart:548)
flutter: #5      _SnapView.build (package:app_center/snapd/snap_page.dart:116)
flutter: #6      StatelessElement.build (package:flutter/src/widgets/framework.dart:5687)
flutter: #7      ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5617)
flutter: #8      Element.rebuild (package:flutter/src/widgets/framework.dart:5333)
flutter: #9      ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:5599)
flutter: #10     ComponentElement.mount (package:flutter/src/widgets/framework.dart:5593)
flutter: #11     Element.inflateWidget (package:flutter/src/widgets/framework.dart:4468)
flutter: #12     Element.updateChild (package:flutter/src/widgets/framework.dart:3963)
flutter: #13     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5642)
flutter: #14     Element.rebuild (package:flutter/src/widgets/framework.dart:5333)
flutter: #15     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:5599)
flutter: #16     ComponentElement.mount (package:flutter/src/widgets/framework.dart:5593)
flutter: #17     Element.inflateWidget (package:flutter/src/widgets/framework.dart:4468)
flutter: #18     Element.updateChild (package:flutter/src/widgets/framework.dart:3963)
flutter: #19     ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:5642)
flutter: #20     Element.rebuild (package:flutter/src/widgets/framework.dart:5333)
flutter: #21     ComponentElement._firstBuild (package:flutter/src/widgets/framework.dart:5599)
flutter: #22     ComponentElement.mount (package:flutter/src/widgets/framework.dart:5593)
flutter: #23     Element.inflateWidget (package:flutter/src/widgets/framework.dart:4468)
flutter: #24     Element.updateChild (package:flutter/src/widgets/framework.dart:3963)
flutter: #25     _LayoutBuilderElement._rebuildWithConstraints.updateChildCallback (package:flutter/src/widgets/layout_builder.dart:207)
flutter: #26     BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:3038)
flutter: #27     _LayoutBuilderElement._rebuildWithConstraints (package:flutter/src/widgets/layout_builder.dart:231)
flutter: #28     RenderObject.invokeLayoutCallback.<anonymous closure> (package:flutter/src/rendering/object.dart:2719)
flutter: #29     PipelineOwner._enableMutationsToDirtySubtrees (package:flutter/src/rendering/object.dart:1098)
flutter: #30     RenderObject.invokeLayoutCallback (package:flutter/src/rendering/object.dart:2719)
flutter: #31     RenderConstrainedLayoutBuilder.rebuildIfNecessary (package:flutter/src/widgets/layout_builder.dart:278)
flutter: #32     _RenderLayoutBuilder.performLayout (package:flutter/src/widgets/layout_builder.dart:369)
flutter: #33     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #34     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #35     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #36     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #37     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #38     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #39     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #40     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #41     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #42     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #43     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #44     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #45     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #46     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #47     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #48     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #49     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #50     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #51     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #52     RenderOffstage.performLayout (package:flutter/src/rendering/proxy_box.dart:3726)
flutter: #53     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #54     RenderProxyBoxMixin.performLayout (package:flutter/src/rendering/proxy_box.dart:111)
flutter: #55     RenderObject.layout (package:flutter/src/rendering/object.dart:2608)
flutter: #56     _RenderTheaterMixin.layoutChild (package:flutter/src/widgets/overlay.dart:1002)
flutter: #57     _RenderTheater.performLayout (package:flutter/src/widgets/overlay.dart:1311)
flutter: #58     RenderObject._layoutWithoutResize (package:flutter/src/rendering/object.dart:2446)
flutter: #59     PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1052)
flutter: #60     PipelineOwner.flushLayout (package:flutter/src/rendering/object.dart:1065)
flutter: #61     RendererBinding.drawFrame (package:flutter/src/rendering/binding.dart:602)
flutter: #62     WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:1164)
flutter: #63     RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:468)
flutter: #64     SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1397)
flutter: #65     SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1318)
flutter: #66     SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:1176)
flutter: #70     _invoke (dart:ui/hooks.dart:314)
flutter: #71     PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:419)
flutter: #72     _drawFrame (dart:ui/hooks.dart:283)
flutter: (elided 3 frames from dart:async)

(snap-store:754611): GLib-GObject-CRITICAL **: 15:39:12.068: ../src/gobject/gsignal.c:2777: instance '0x604fc3dd5cf0' has no handler with id '170'

** (snap-store:754611): WARNING **: 15:39:12.179: Attempted to set message handler on an FlBinaryMessenger without an engine

** (snap-store:754611): WARNING **: 15:39:12.179: Attempted to set message handler on an FlBinaryMessenger without an engine

I did not set und anywhere...

Locale:

$ locale
LANG=en_US.UTF-8
LANGUAGE=en_US:
LC_CTYPE="en_US.UTF-8"
LC_NUMERIC=sv_SE.UTF-8
LC_TIME=sv_SE.UTF-8
LC_COLLATE="en_US.UTF-8"
LC_MONETARY=sv_SE.UTF-8
LC_MESSAGES="en_US.UTF-8"
LC_PAPER=sv_SE.UTF-8
LC_NAME=sv_SE.UTF-8
LC_ADDRESS=sv_SE.UTF-8
LC_TELEPHONE=sv_SE.UTF-8
LC_MEASUREMENT=sv_SE.UTF-8
LC_IDENTIFICATION=sv_SE.UTF-8
LC_ALL=

Setting LANGUAGE to en_US.UTF-8 solves this problem

$ export LANGUAGE=en_US.UTF-8
$ snap-store

But the underlying issue with fallback languages should be fixed.

/etc/locale.conf after running update-locale

#  File generated by update-locale
LANG="en_US.UTF-8"
LANGUAGE="en_US:"
LC_NUMERIC="sv_SE.UTF-8"
LC_TIME="sv_SE.UTF-8"
LC_MONETARY="sv_SE.UTF-8"
LC_PAPER="sv_SE.UTF-8"
LC_NAME="sv_SE.UTF-8"
LC_ADDRESS="sv_SE.UTF-8"
LC_TELEPHONE="sv_SE.UTF-8"
LC_MEASUREMENT="sv_SE.UTF-8"
LC_IDENTIFICATION="sv_SE.UTF-8"

Unsure why LANGUAGE is being set to that...

This was referenced Apr 9, 2025
Closed
Merged
d-loose added a commit to canonical/ubuntu-flutter-plugins that referenced this issue Apr 11, 2025
@d-loose @ashuntu
fix(ubuntu_localizations): use fallback if locale is 'POSIX' or 'und' (…
8000
240cdc0 
…#476)

If `Intl.defaultLocale` is initialized with `und` (undefined) or `POSIX`
localizing a `DateTime` with `DateFormat` (and possibly other things)
will throw an exception. See
ubuntu/app-center#1659 for more details.

A simple workaround has been suggested
[here](ubuntu/app-center#1884 (comment)).

---------

Co-authored-by: ashuntu <ashton.nelson@canonical.com>
@GonerGenesis
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Unsetting LANGUAGE is a workaround for the time beeing

@d-loose d-loose mentioned this issue Apr 17, 2025
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d-loose commented Apr 25, 2025

Fixed by #1917 (currently in the 2/edge channel, soon to be promoted to stable).

@d-loose d-loose closed this as completed Apr 25, 2025
@d-loose d-loose mentioned this issue Apr 25, 2025
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