Subject: X Error of failed request: BadWindow (invalid Window parameter)

From: Anton Shevtsov <[email-masked]>
Date: Wed, 23 Dec 2020 15:44:20 +0500

Package: x2goclient

Hi,

I use x2go server and client. Both on AtlLinux P8 (russian linux distro)

x2goserver version 4.1.0.3
x2goclient version 4.1.2.2

Very often, connection is terminated with error

NXPROXY - Version 3.5.0

Copyright (C) 2001, 2010 NoMachine.
See http://www.nomachine.com/ for more information.

Info: Proxy running in client mode with pid '1989'.
Session: Starting session at 'Wed Dec 23 11:46:48 2020'.
Info: Using abstract X11 socket in kernel namespace for accessing
DISPLAY=:0.
Info: Connecting to remote host 'localhost:35279'.
Info: Connection to remote proxy 'localhost:35279' established.
Info: Connection with remote proxy completed.
Warning: Unrecognized session type 'unix-kde-depth_24'. Assuming agent
session.
Info: Using WAN link parameters 768/24/1/0.
Info: Using cache parameters 4/4096KB/8192KB/8192KB.
Info: Using pack method '256-jpeg-9' with session 'unix-kde-depth_24'.
Info: Using ZLIB data compression 1/1/32.
Info: Using ZLIB stream compression 1/1.
Info: No suitable cache file found.
Info: Forwarding X11 connections to display ':0.0'.
Session: Session started at 'Wed Dec 23 11:46:48 2020'.
Info: Established X server connection.
Info: Using shared memory parameters 0/0K.
X Error of failed request:  BadWindow (invalid Window parameter)
  Major opcode of failed request:  20 (X_GetProperty)
  Resource id in failed request:  0x1e004ec
  Serial number of failed request:  1912
  Current serial number in output stream:  1912

How fix it? What is this?