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Bug#933612: marked as done (xfce4: Xfce fails to launch any application ("exo-helper-1: not found"))

Your message dated Wed, 21 Aug 2019 09:21:08 +0200
with message-id <930b7514771a2074660e5b86bcb208da4bbde869.camel@debian.org>
and subject line Re: Bug#933612: xfce4: Xfce fails to launch any application ("exo-helper-1: not found")
has caused the Debian Bug report #933612,
regarding xfce4: Xfce fails to launch any application ("exo-helper-1: not found")
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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933612: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=933612
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
Package: xfce4
Version: 4.12.5
Severity: important

Hello, since a recent update Xfce is unable to open any items clicked on in the desktop or
through the panel launchers (anything that checks tfor "preferred application", I imagine).
Launching the apps directly through the "Start Menu" works normally, as usual.

The actual error message is something similar to this, as seen on #892010:

  /usr/bin/exo-preferred-applications: 11: exec: /usr/lib/x86_64-linux-gnu/xfce4/exo-1/exo-helper-1: not found

I have managed to work around this issue by making a link between:


Which exists in my system and:


However this is clearly not ideal unless both commands are fully equivalent.

I have marked this bug as important since being able to launch applications
is indeed a big deal and more casual users may be incapacitated from using
their systems in the offchance this would ever go to a stable release.

This Ask Ubuntu post reports the same issue for Ubuntu 19.04:


The following relevant packages are installed and up-to-date in my system:

  exo-utils/testing,now 0.12.6-1 amd64 [installed,automatic]
  libexo-1-0/testing,now 0.12.6-1 amd64 [installed,automatic]
  libexo-2-0/testing,now 0.12.6-1 amd64 [installed,automatic]
  libexo-common/testing,testing,now 0.12.6-1 all [installed,automatic]
  libexo-helpers/testing,testing,now 0.12.6-1 all [installed,automatic]

Thanks a lot to everyone working to make Xfce on Debian an excellent desktop environment!

-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.19.0-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages xfce4 depends on:
ii  gtk2-engines-xfce        3.2.0-4
ii  libxfce4ui-utils         4.12.1-3
ii  thunar                   1.8.7-1
ii  xfce4-appfinder          4.12.0-2+b1
ii  xfce4-panel              4.12.2-1
ii  xfce4-pulseaudio-plugin  0.4.1-1
ii  xfce4-session            4.12.1-6
ii  xfce4-settings           4.12.4-1
ii  xfconf                   4.12.1-1+b1
ii  xfdesktop4               4.12.4-2
ii  xfwm4                    4.12.5-1

Versions of packages xfce4 recommends:
ii  desktop-base      10.0.3
ii  tango-icon-theme  0.8.90-7
ii  thunar-volman     0.9.1-1
ii  xfce4-notifyd     0.4.4-1
ii  xorg              1:7.7+19

Versions of packages xfce4 suggests:
pn  gtk3-engines-xfce    <none>
pn  xfce4-goodies        <none>
pn  xfce4-power-manager  <none>

-- no debconf information

--- End Message ---
--- Begin Message ---
Hash: SHA256

[Please keep the bug on CC]

On Tue, 2019-08-20 at 20:17 -0300, Alex Henry wrote:
> I have updated my system today, the symbolic link I created manually
> between exo-helper-1 and -2 has been replaced with what looks like a proper
> binary and the old exo-helper-1 folder is gone. After rebooting and
> confirming that clicking on launchers works normally (on the desktop, for
> example), I believe this issue can be closed as resolved.

> About the path: I forgot to add /usr/ at the beginning for whatever reason.

Yes, that's what I thought.

> For my system not being fully updated: it was, but I'm not on unstable
> (sid), I'm on testing (bullseye).

That shouldn't matter.
> Thanks for the apt reply. I would suggest a reviewing of the dependencies
> between Xfce packages (in particular regarding libexo-2-0) because my
> understanding is that if a package depends on (requires) another package,
> then it would not migrate to testing from unstable until all dependencies
> are also ready to migrate (assuming that whatever this issue was, it was
> caused by some packages migrating before others, which has now resolved
> itself). Reviewing any dependencies on libexo-2-0 and others in general may
> prevent further issues.

libexo and exo-helpers package are self-contained, so it shouldn't really
matter here. So I'm really at lost at which package you actually upgraded
which “broke” your system.

- -- 


--- End Message ---

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