[X2Go-User] Problem with x2go - the connection with the remote server was shut down

[Brian Lam]

Hello,

I have been having intermittent problems with getting into x2go on RH6
machine.  Recently, after update of x2go server and client, I am not having
any success in connecting.   I saw the same message before but I was able
to connect after I tried multiple times (usually success rate about 10%).

The message is -

*X2Go - 52*
*The connection with the remove server was shut down.  Please check the
state of your network connections.*


I updated x2go server with version *4.1.0.0 *using yum

    Updated x2goserver-4.1.0.0-0.0x2go1.1.git20180302.1517.main.el6.x86_64
          @x2go-release-epel
    Update             4.1.0.2-0.0x2go1.1.git20180801.1642.main.el6.x86_64
          @x2go-release-epel
    Updated
x2goserver-common-4.1.0.0-0.0x2go1.1.git20180302.1517.main.el6.x86_64
 @x2go-release-epel
    Update
4.1.0.2-0.0x2go1.1.git20180801.1642.main.el6.x86_64     @x2go-release-epel
    Updated
x2goserver-extensions-4.1.0.0-0.0x2go1.1.git20180302.1517.main.el6.x86_64
@x2go-release-epel
    Update
4.1.0.2-0.0x2go1.1.git20180801.1642.main.el6.x86_64 @x2go-release-epel
    Updated
x2goserver-x2goagent-4.1.0.0-0.0x2go1.1.git20180302.1517.main.el6.x86_64
@x2go-release-epel
    Update
 4.1.0.2-0.0x2go1.1.git20180801.1642.main.el6.x86_64  @x2go-release-epel
    Updated
x2goserver-xsession-4.1.0.0-0.0x2go1.1.git20180302.1517.main.el6.x86_64
 @x2go-release-epel
    Update
4.1.0.2-0.0x2go1.1.git20180801.1642.main.el6.x86_64   @x2go-release-epel

The client is running on Windows 10.   Version is* 4.1.2.0.*

The windows pop up for 1 or 2 seconds before closing with the error
message.   In my home directory, I see a dumped core.* and .xsessions error


> more .xsession-x2go-pleth01.plethrontech.com-errors
XSession-x2go: X session started for eminami at Thu Aug 23 12:39:34 EDT 2018
** (gnome-session:12939): WARNING **: Cannot open display:



In my /var/log/messages -

Aug 23 12:39:31 pleth01 /usr/bin/x2gostartagent: successfully started X2Go
Agent session with ID eminami-52-1535042370_stDGNOME_dp32
Aug 23 12:39:34 pleth01 /usr/bin/x2goserver-run-extensions:
/usr/lib64/x2go/extensions/pre-runcommand.d/005_GNOME-monitors-xml-ignore
(x2goserver-run-extensions) for session eminami-52-1535042370_stDGNOME_dp32
returned a non-zero exit code, continuing...
Aug 23 12:39:34 pleth01 /usr/bin/x2goruncommand: launching session with
Xsession-x2go mechanism, using STARTUP="/usr/bin/gnome-session"
Aug 23 12:39:34 pleth01 /usr/bin/x2goruncommand: dbus wrapper available as
/bin/dbus-run-session
Aug 23 12:39:37 pleth01 /usr/bin/x2gosetkeyboard: Setting X keyboard
according to
/home/eminami/.x2go/C-eminami-52-1535042370_stDGNOME_dp32/keyboard
Aug 23 12:39:39 pleth01 abrt[12896]: Saved core dump of pid 12432
(/usr/bin/nxagent) to /var/spool/abrt/ccpp-2018-08-23-12:39:38-12432
(11898880 bytes)
Aug 23 12:39:39 pleth01 abrtd: Directory 'ccpp-2018-08-23-12:39:38-12432'
creation detected
Aug 23 12:39:39 pleth01 abrtd: Package 'nxagent' isn't signed with proper
key
Aug 23 12:39:39 pleth01 abrtd: 'post-create' on
'/var/spool/abrt/ccpp-2018-08-23-12:39:38-12432' exited with 1
Aug 23 12:39:39 pleth01 abrtd: Deleting problem directory
'/var/spool/abrt/ccpp-2018-08-23-12:39:38-12432'


The Linux server (remote headless server) -

>  cat /etc/redhat-release
Red Hat Enterprise Linux Server release 6.10 (Santiago)


> uname -a

Linux  blam01.blamtech.com 2.6.32-754.el6.x86_64 #1 SMP Thu May 24 18:18:25
EDT 2018 x86_64 x86_64 x86_64 GNU/Linux


I can login to the server using putty with ssh connection.   Any
suggetions/help will be greatly appreciated.

Thanks.
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