[X2Go-User] "The remote proxy closed the connection while negotiating"

[Andrew Munn]

Paul,
client: Debian 4.9.0-4-amd64 SMP Debian 4.9.51-1 
server: CentOS Linux 3.10.0-514.26.2.el7.x86_64


On Mon, 11 Dec 2017, Paul Borowicz wrote:

> What OS are you on? I was having a very similar problem on OpenSuSE. Have you tried running "x2goclient --debug"
> 
> Paul
> 
> On Mon, Dec 11, 2017 at 1:58 PM, Andrew Munn <andrew at nmedia.net> wrote:
>       I keep getting this message from my x2goclient
> 
>       "The remote proxy closed the connection while negotiating
>       the session. This may be due to the wrong authentication
>       credentials passed to the server."
> 
>       I am shown the usual "Select session:" dialog box with columns display,
>       status, command.? And also the normal buttons suspend, terminate, new,
>       resume, cancel.
> 
>       There is 1 session listed.? I double click on it and get the error.? But
>       the password is correct. I can ssh into the session with no problems.? I
>       think this error occurs because I recently deleted x2go related directorys
>       in /tmp or ~/ on the client machine.? Is that possible?? And if so could
>       we make the error message more helpful?
> 
>       I have uninstalled and re-installed x2goclient including the ~/.x2go* dirs
>       and it does not fix the problem.
> 
>       I'm seeing this in /var/log/secure:
>       Dec 11 12:56:47 herc sshd[60805]: error: connect_to localhost port 59700: failed.
>       Dec 11 12:56:47 herc sshd[60805]: channel_by_id: 0: bad id: channelfree
>       Dec 11 12:56:47 herc sshd[60805]: Disconnecting: Received ieof for nonexistent channel 0.
>       Dec 11 12:56:47 herc sshd[60799]: pam_unix(sshd:session): session closed for user andrew
> 
>       I have these running on the server.
> 
>       $ ps aux|grep x2go|grep andrew
>       andrew? ?27835? 0.5? 0.2 558036 278540 ??? ? ?S? ? Nov18 165:20 /usr/lib64/nx/../x2go/bin/x2goagent -extension XFIXES -nolisten tcp -nolisten tcp -dpi 96 -D -auth /home/andrew/.Xauthority
>       -geometry 1280x1024 -name X2GO-andrew-51-1511062472_stDMATE_dp24 :51
>       andrew? ?27995? 0.0? 0.0 113132? 1528 ??? ? ? Ss? ?Nov18? ?0:00 /bin/bash /usr/bin/x2goruncommand 51 27835 andrew-51-1511062472_stDMATE_dp24 59701 mate-session nosnd D
> 
>       Should I be killing one or both of them to fix this?
>       Thanks
> 
>       _______________________________________________
>       x2go-user mailing list
>       x2go-user at lists.x2go.org
>       https://lists.x2go.org/listinfo/x2go-user
> 
> 
> 
>