[X2Go-Dev] Bug#1633: Bug#1633: New clipboard issue in Libreoffice with X2Go

Thu Mar 13 13:08:59 CET 2025

Hi,

just to be sure: have you done the lightweight test on the server side or
the client side?

Assuming you have done the test on the server side. This indicates that the
problem is somehow tied to the connection. Can you please check if
different connection settings in x2go lead to different results?

You don't need to compile x2goserver, just nxagent. Compiling is done like
this:
1. checkout nx-libs from ArcticaProject on github
2. run make

If this fails you probably need to install more dependencies. If it
succeeds, you need to repeat that after changing these lines in
nx-X11/programs/Xserver/hw/nxagent/Clipboard.c:

#undef TEST -> #define TEST
#undef DEBUG -> #define DEBUG

After running make again you should find a new nxagent in
nx-X11/programs/Xserver

Uli

On Thu, Mar 13, 2025 at 11:45 AM Jens Reyer <jens.reyer at leberrohstoffe.com>
wrote:

> Sorry for yet another PS:
> Yes, I may recompile a test x2goserver, if you tell me what
> changes/options you need.
>
> Jens Reyer <jens.reyer at leberrohstoffe.com> hat am 13. März 2025 um 11:42
> geschrieben:
>
> I could NOT reproduce the problem with your lightweight test on Linuxmint
> 22.1 Mate:
>
> nxagent -ac :55
>
> DISPLAY=:55 twm
>
> DISPLAY=:55 soffice
>
> --> OK (except maybe one fail, but that was probably human failure)
>
>
> For the previous non-lightweight-test in twm on the remote Debian Trixie
> server I started in that x2go/twm session a terminal and from there
> soffice, since I couldn't find a direct Libreoffice launcher. So I tried
> this for the lightweight test - still works:
>
> nxagent -ac :55
>
> DISPLAY=:55 twm
>
> DISPLAY=:55 xterm
>
> In xterm: soffice
>
> --> OK
>
>
> I agree there must be something specific with newer Libreoffice versions,
> since I neither found this with other applications, nor with libreoffice
> 7.3.7. But as just discovered this is only an issue with (remote?) X2Go
> sessions.
>
>
> Ulrich Sibiller <ulrich.sibiller at gmail.com> hat am 13. März 2025 um 10:52
> geschrieben:
>
> Ok, thanks for the information. The nxagent is the current version, that's
> ok. Also I think we take out the client from the equation.
>
> I have just tried your reproducer with LibreOffice 6.4.7.2 on RockyLinux
> 8.10 in a rootless NX session without any problems. Maybe this is tied to
> newer LibreOffice versions?
>
> You can also do a very lightweight test locally like this:
> 1. run nxagent -ac :55
> 2. DISPLAY=:55 openbox (or any other WM)
> 3. DISPLAY=:55 soffice -> will open soffice in the nx window.
>
> Is the problem showing up then, too?
>
> Maybe we need more debugging information which would require to recompile
> nxagent on your server system.
>
>
> Uli
>
> On Wed, Mar 12, 2025 at 3:00 PM Ulrich Sibiller <ulrich.sibiller at gmail.com>
> wrote:
>
> Sorry, x2goserver-x2goagent is only a wrapper. The real functionality sits
> in the nxagent package, and that's the version I need. Alternatively you
> can run /usr/bin/x2goagent -version on the server.
>
> KDE includes a clipboard manager. What DE are you using?
>
> Does the problem also show up when you are using a very simple window
> manager like twm or fvwm2 or openbox?
>
> Uli
>
> On Wed, Mar 12, 2025 at 1:55 PM Jens Reyer <jens.reyer at leberrohstoffe.com>
> wrote:
>
> Hi,
>
> thanks for the quick answer.
>
>
> x2goagent 4.1.0.6, as provided by the distributions,
>
> so on the affected Debian Trixie/Sid Mate server:
>
> x2goserver-x2goagent 4.1.0.6-1.1+b1
>
> and on LinuxMint 22.1 Mate:
>
> x2goserver-x2goagent 4.1.0.6-1.1build1
>
>
> To the best of my knowledge there's no clipboard manager running on the
> systems, neither on the 2 tested servers nor the 3 clients.
>
> Most systems were just set up recently by myself, and I never used or even
> heard about clipboardmanagers before. Neither clipman nor xclipboard are
> installed.
>
>
> Greets
>
> jre
>
>
> Ulrich Sibiller <ulrich.sibiller at gmail.com> hat am 12. März 2025 um 11:13
> geschrieben:
>
> Hi,
>
>
> please let us know the version of nxagent (x2goagent) you are using. Also
> ensure that there’s no clipboard manager running (on both sides!).
>
>
> Uli
>
> On Wed, Mar 12, 2025 at 11:11 AM Jens Reyer <jens.reyer at leberrohstoffe.com>
> wrote:
>
> Package: x2goserver
>
> Version: 4.1.0.6-1.1+b1
>
> Severity: normal
>
>
> Hi,
>
> since an update/reinstallation copy&pasting in Libreoffice in X2Go always
> needs to be repeated, only the very first run works instantly.
>
> We found this issue only when using X2Go, but not when working directly on
> the same machine.
>
> It happens only in Libreoffice (Calc and Writer), but not in e.g. Firefox
> or an editor.
>
> Starting Libreoffice in safe mode (soffice --safe-mode) does not help.
>
>
> Steps to reproduce:
>
>
> Start Libreoffice
>
> ctrl+c, ctrl+v OK
>
> ctrl+c, ctrl+v FAIL (nothing is inserted)
>
> ctrl+c, ctrl+v FAIL (nothing is inserted)
>
>
> Start Libreoffice
>
> right-click > copy, right-click > paste OK
>
> right-click > copy, right-click > paste FAIL (Libreoffice Calc asks where
> to shift the cells, but then nothing is inserted)
>
> right-click > copy, right-click > paste FAIL (Libreoffice Calc asks where
> to shift the cells, but then nothing is inserted)
>
>
> Workaround:
>
> ctrl+c, ctrl+v OK
>
> ctrl+c, ctrl+c, ctrl+v OK
>
> ctrl+c, ctrl+c, ctrl+v OK
>
>
> Tested affected servers:
>
> Debian Trixie/Sid Mate (libreoffice 4:24.8.5-2 amd64, x2goserver
> 4.1.0.6-1.1+b1)
>
> LinuxMint 22.1 Mate (libreoffice 4:24.2.7-0ubuntu0.24.04.2,
> x2goserver 4.1.0.6-1.1build1)
>
>
> Previously not affected server:
>
> LinuxMint 21.3 Mate (libreoffice 1:7.3.7-0ubuntu0.22.04.8, x2goserver
> 4.1.0.3-5)
>
>
> Tested Clients:
>
> Debian Trixie (x2goclient 4.1.2.3-3)
>
> Linuxmint 22.1 (x2goclient 4.1.2.3-1build3)
>
> Win10 (X2GoClient 4.1.2.2), with the X.org server option "do not use
> primary clipboard" both checked and unchecked
>
>
> I reported this issue only here, not with the distros or Libreoffice.
> Please tell me if I should otherwise or if I should provide additional info
> or tests.
>
>
> My boss is willing to pay for a solution. Just contact me.
>
>
> Thanks in advance and thanks for all your work!
>
> Jens Reyer
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