[winswitch] New to xpra: initialization error?

[Antoine Martin]

On 29/05/2020 06:11, Alan Hoyle via shifter-users wrote:
> I just installed xpra for the first time on my mac, and it doesn't seem to
> let me start applications on the server side.  I installed it via
> homebrew/cask, but didn't do anything on the remote end.
Be aware that this is not the recommended way of installing xpra, so it
may or may not work properly, features may be missing, etc.

> If I run "ssh -Y $LOGIN xterm" I get an xterm appearing after a few seconds
> (X apps run this way are not performant which is why I'm looking into xpra).
> 
> If I run the following command, I get some warnings, it says the
> authentication passed, and then it errors out with:
> xpra initialization error:
>     connection failed: all SSH remote proxy commands have failed
My guess is that you have not installed xpra on your server.

Cheers
Antoine


> 
> See below (mildly edited to remove our 'welcome' message).
> 
> $ xpra start ssh:$LOGIN --start=/usr/bin/xterm
> /Applications/Xpra.app/Contents/Resources/lib/python/xpra/platform/darwin/gui.py:90:
> Warning: invalid cast from 'GtkMenuBar' to 'GtkWindow'
>   osxapp.set_menu_bar(mh.rebuild())
> 
> (Xpra:29629): Gtk-CRITICAL **: 18:32:36.507: gtk_window_add_accel_group:
> assertion 'GTK_IS_WINDOW (window)' failed
> 2020-05-28 18:32:36,623 Xpra GTK3 client version 4.0.1-r26380 64-bit
> 2020-05-28 18:32:36,642  running on Mac OS X 10.15.5
> 2020-05-28 18:32:37,433 GStreamer version 1.16.2 for Python 3.8.2 64-bit
> 2020-05-28 18:32:37,550 OpenGL_accelerate module loaded
> 2020-05-28 18:32:37,566 Using accelerated ArrayDatatype
> /Applications/Xpra.app/Contents/Resources/lib/python/xpra/client/gl/gtk3/nativegl_client_window.py:12:
> Warning: g_object_get_qdata: assertion 'G_IS_OBJECT (object)' failed
>   return GLContext().check_support(force_enable)  #pylint:
> disable=not-callable
> /Applications/Xpra.app/Contents/Resources/lib/python/xpra/client/gl/gtk3/nativegl_client_window.py:12:
> Warning: g_object_set_qdata_full: assertion 'G_IS_OBJECT (object)' failed
>   return GLContext().check_support(force_enable)  #pylint:
> disable=not-callable
> /Applications/Xpra.app/Contents/Resources/lib/python/xpra/client/gl/gtk3/nativegl_client_window.py:12:
> Warning: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
>   return GLContext().check_support(force_enable)  #pylint:
> disable=not-callable
> 2020-05-28 18:32:38,178 OpenGL enabled with AMD Radeon Pro 5500M OpenGL
> Engine
> 2020-05-28 18:32:38,278 Connected (version 2.0, client OpenSSH_7.4)
> 2020-05-28 18:32:38,570 Auth banner: b'[...snip...]'
> 2020-05-28 18:32:38,878 Authentication (publickey) successful!
> xpra initialization error:
>  connection failed: all SSH remote proxy commands have failed
> 
> 
> --
>   -  Alan Hoyle  -  alan at alanhoyle.com  -  http://www.alanhoyle.com/  -