Issue 54 in neatx: Internal Error have not been able to connect

ne...@googlecode.com

unread,

May 31, 2010, 5:16:57 PM5/31/10

to ne...@googlegroups.com

Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 54 by alex.louis.angelini: Internal Error have not been able to
connect
http://code.google.com/p/neatx/issues/detail?id=54

What steps will reproduce the problem?
1. Install neatx on an LFS install
2. Install a client on a Ubuntu machine
3. Try to connect

What is the expected output? What do you see instead?

The expected output is a working nx session
Instead I get NX> 500 Internal Error

What version of the product are you using? On what operating system?

The server is running on our company's embedded linux system, which is
built from scratch. And the client is running on Ubuntu 9.10

Everything is up to date with the SVN

Please provide any additional information below.

Here is what I am able to get from the /var/log/user.log

(p.s. logging in as root is not the issue, this happens for any user)

May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>>
'HELLO NXSERVER - Version 3.3.0 - GPL\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>> 'NX>
105 '
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:227 <<<
'hello NXCLIENT - Version 3.3.0\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>>
'Hello nxclient - version 3.3.0\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG nxserver_login:111 Got
client protocol version 3030000 ('3.3.0'), want 3030000
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>> 'NX>
134 Accepted protocol: 3.3.0\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>> 'NX>
105 '
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:227 <<< 'SET
SHELL_MODE SHELL\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>> 'Set
SHELL_MODE: SHELL\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>> 'NX>
105 '
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:227 <<< 'SET
AUTH_MODE PASSWORD\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>> 'Set
AUTH_MODE: PASSWORD\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>> 'NX>
105 '
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:227 <<<
'login\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>>
'Login\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>> 'NX>
101 User: '
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:227 <<<
'root\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>>
'root\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>> 'NX>
102 Password: '
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:225 <<<
[hidden]
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>>
'**********\n'
May 31 17:05:31 angelini nxserver-login[4455]: INFO nxserver_login:253
Trying login for user 'root' using auth method 'su'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG auth:50 Authenticating
as 'root', running ['/usr/lib/neatx/nxserver', '--proto=3030000', '--',
'root']
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG auth:53 Auth command
['/usr/lib/neatx/ttysetup', '/bin/su', 'root', '-c', 'cd &&
/usr/lib/neatx/nxserver --proto=3030000 -- root']
May 31 17:05:31 angelini nxserver-login[4455]: ERROR protocol:165 Error
while handling line 'login'
May 31 17:05:31 angelini nxserver-login[4455]: Traceback (most recent call
last):
May 31 17:05:31 angelini nxserver-login[4455]: File
"/usr/lib/python2.6/site-packages/neatx/protocol.py", line 161, in
_HandleLine
May 31 17:05:31 angelini nxserver-login[4455]: self._handler(line)
May 31 17:05:31 angelini nxserver-login[4455]: File
"/usr/lib/python2.6/site-packages/neatx/app/nxserver_login.py", line 76, in
__call__
May 31 17:05:31 angelini nxserver-login[4455]: return self._Login(args)
May 31 17:05:31 angelini nxserver-login[4455]: File
"/usr/lib/python2.6/site-packages/neatx/app/nxserver_login.py", line 173,
in _Login
May 31 17:05:31 angelini nxserver-login[4455]: self._TryLogin(username,
password)
May 31 17:05:31 angelini nxserver-login[4455]: File
"/usr/lib/python2.6/site-packages/neatx/app/nxserver_login.py", line 263,
in _TryLogin
May 31 17:05:31 angelini nxserver-login[4455]:
authenticator.AuthenticateAndRun(username, password, args)
May 31 17:05:31 angelini nxserver-login[4455]: File
"/usr/lib/python2.6/site-packages/neatx/auth.py", line 71, in
AuthenticateAndRun
May 31 17:05:31 angelini nxserver-login[4455]: timeout=30)
May 31 17:05:31 angelini nxserver-login[4455]: File
"/usr/lib/python2.6/site-packages/pexpect.py", line 429, in __init__
May 31 17:05:31 angelini nxserver-login[4455]: self._spawn (command,
args)
May 31 17:05:31 angelini nxserver-login[4455]: File
"/usr/lib/python2.6/site-packages/pexpect.py", line 529, in _spawn
May 31 17:05:31 angelini nxserver-login[4455]: raise
ExceptionPexpect('Error! pty.fork() failed: ' + str(e))
May 31 17:05:31 angelini nxserver-login[4455]: ExceptionPexpect: Error!
pty.fork() failed: out of pty devices
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>> 'NX>
500 Internal error\n'
May 31 17:05:31 angelini nxserver-login[4455]: DEBUG protocol:172 >>> 'NX>
999 Bye.\n'
May 31 17:05:31 angelini nxserver-login-wrapper[4452]: EOF on stderr,
exiting

ne...@googlecode.com

unread,

Jun 10, 2010, 8:10:10 AM6/10/10

to ne...@googlegroups.com

Comment #1 on issue 54 by kostas.mitropoulos: Internal Error have not been

able to connect
http://code.google.com/p/neatx/issues/detail?id=54

I'm doing a similiar thing, but client side is ubuntu 9.10 64bit desktop,
and server is 10.04 x86 desktop with neatx.

NX> 203 NXSSH running with pid: 6212
NX> 285 Enabling check on switch command
NX> 285 Enabling skip of SSH config files
NX> 285 Setting the preferred NX options
NX> 200 Connected to address: 192.168.1.203 on port: 22
NX> 202 Authenticating user: nx
NX> 208 Using auth method: publickey

HELLO NXSERVER - Version 3.3.0 - GPL

NX> 105 Hello nxclient - version 3.3.0

NX> 134 Accepted protocol: 3.3.0

NX> 105 Set SHELL_MODE: SHELL
NX> 105 Set AUTH_MODE: PASSWORD
NX> 105 Login
NX> 101 User: xxxx
NX> 102 Password: **********
NX> 103 Welcome to: compaq user: xxxx
NX> 105 Listsession --user="con" --status="suspended,running"
--geometry="1920x1200x24+render" --type="unix-gnome"
NX> 127 Session list of user 'xxxx':
Display Type Session ID Options Depth
Screen Status Session Name
------- ---------------- -------------------------------- -------- -----
-------------- ----------- ------------------------------
45 unix-gnome M747U25A4E67X1682B9954453G1H4F79 -RD--PSA 24
1920x1152 Suspended Compaq

NX> 148 Server capacity: not reached for user: xxxx
NX> 105 Restoresession --link="adsl" --backingstore="1" --encryption="1"
--cache="16m" --images="64m" --shmem="1" --shpix="1" --strict="0"
--composite="1" --media="0" --session="compaq" --type="unix-gnome"
--geometry="800x600+560+288" --client="linux" --keyboard="pc105/us"
--id="d747b25a4e67a1682b9954453d1d4f79"
NX> 500 Internal error
NX> 999 Bye.
NX> 280 Exiting on signal: 15

ne...@googlecode.com

unread,

Jun 23, 2010, 4:46:54 AM6/23/10

to ne...@googlegroups.com

Comment #2 on issue 54 by cmsdew: Internal Error have not been able to
connect
http://code.google.com/p/neatx/issues/detail?id=54

I see the same problem. Ubuntu 10.04 x86_64 server with both Ubuntu 10.04
nxclient and Windows client. (Implies problem may be with server?) This
log is from windows client, but linux output looks similar.

Is there any way of killing the session, so that I can regain graphical
access to the server? A reboot doesn't do it.

Thanks,

Chris.

NX> 203 NXSSH running with pid: 2596

NX> 285 Enabling check on switch command
NX> 285 Enabling skip of SSH config files
NX> 285 Setting the preferred NX options

NX> 200 Connected to address: x.x.x.x on port: 22

NX> 202 Authenticating user: nx
NX> 208 Using auth method: publickey
HELLO NXSERVER - Version 3.3.0 - GPL
NX> 105 Hello nxclient - version 3.3.0
NX> 134 Accepted protocol: 3.3.0
NX> 105 Set SHELL_MODE: SHELL
NX> 105 Set AUTH_MODE: PASSWORD
NX> 105 Login

NX> 101 User: chris
NX> 102 Password: **********
Could not find ':' in DISPLAY:
NX> 103 Welcome to: grey user: chris
NX> 105 Listsession --user="chris" --status="suspended,running"
--geometry="1280x1024x32+render+fullscreen" --type="unix-gnome"
NX> 127 Session list of user 'chris':

Display Type Session ID Options Depth
Screen Status Session Name
------- ---------------- -------------------------------- -------- -----
-------------- ----------- ------------------------------

623 unix-gnome 76B7D24142C3898DE8A6F8C5BD4DED50 FRD--PSA 24
1280x1024 Running grey

NX> 148 Server capacity: not reached for user: chris
NX> 105 Restoresession --link="lan" --backingstore="1" --encryption="1"

--cache="16m" --images="64m" --shmem="1" --shpix="1" --strict="0"

--composite="1" --media="0" --session="grey" --type="unix-gnome"
--geometry="1274x962" --fullscreen="1" --client="winnt"
--keyboard="pc102/gb" --id="76b7d24142c3898de8a6f8c5bd4ded50" --resize="1"

ne...@googlecode.com

unread,

Jul 18, 2010, 6:54:20 PM7/18/10

to ne...@googlegroups.com

Comment #3 on issue 54 by jmgrubia: Internal Error have not been able to
connect
http://code.google.com/p/neatx/issues/detail?id=54

I see the same problem. Ubuntu 10.04 x86_64 server with NX for Windows
client. This log is from windows client:

NX> 203 NXSSH running with pid: 4936

NX> 285 Enabling check on switch command
NX> 285 Enabling skip of SSH config files
NX> 285 Setting the preferred NX options

NX> 200 Connected to address: 192.168.1.12 on port: 22

NX> 202 Authenticating user: nx
NX> 208 Using auth method: publickey
HELLO NXSERVER - Version 3.3.0 - GPL
NX> 105 Hello nxclient - version 3.3.0
NX> 134 Accepted protocol: 3.3.0
NX> 105 Set SHELL_MODE: SHELL
NX> 105 Set AUTH_MODE: PASSWORD
NX> 105 Login

NX> 101 User: pepe

NX> 102 Password: **********
Could not find ':' in DISPLAY:

NX> 103 Welcome to: perdigon user: pepe
NX> 105 Listsession --user="pepe" --status="suspended,running"
--geometry="1920x1200x32+render" --type="unix-gnome"
NX> 127 Session list of user 'pepe':

Display Type Session ID Options Depth
Screen Status Session Name
------- ---------------- -------------------------------- -------- -----
-------------- ----------- ------------------------------

517 unix-gnome F0E9A556161C051176929C971DE8DB94 -RD--PSA 24
1024x768 Suspended Perdigon

NX> 148 Server capacity: not reached for user: pepe

NX> 105 Restoresession --link="lan" --backingstore="1" --encryption="1"
--cache="16m" --images="64m" --shmem="1" --shpix="1" --strict="0"

--composite="1" --media="0" --session="perdigon" --type="unix-gnome"
--geometry="1280x1024" --client="winnt" --keyboard="pc102/es"
--id="f0e9a556161c051176929c971de8db94" --resize="1"

Emmanuel Prestat

unread,

Sep 10, 2010, 8:42:27 AM9/10/10

to ne...@googlegroups.com

Hi,
I have the same problem :
Ubuntu 10.04.1 LTS server
NX for mac OS X client : 3.4.0-8

NX> 203 NXSSH running with pid: 29311

NX> 285 Enabling check on switch command
NX> 285 Enabling skip of SSH config files
NX> 285 Setting the preferred NX options

NX> 200 Connected to address: 156.18.32.10 on port: 22

NX> 202 Authenticating user: nx
NX> 208 Using auth method: publickey
HELLO NXSERVER - Version 3.3.0 - GPL
NX> 105 Hello nxclient - version 3.3.0
NX> 134 Accepted protocol: 3.3.0
NX> 105 Set SHELL_MODE: SHELL
NX> 105 Set AUTH_MODE: PASSWORD
NX> 105 Login

NX> 101 User: manu
NX> 102 Password: **********
/tmp/launch-Spc5Gw/org.x: unknown host. (nodename nor servname provided, or not known)
NX> 103 Welcome to: trotek10.cegely.ec-lyon.fr user: manu
NX> 105 Listsession --user="manu" --status="suspended,running" --geometry="1920x1200x32+render" --type="unix-gnome"
NX> 127 Session list of user 'manu':

Display Type Session ID Options Depth Screen Status Session Name
------- ---------------- -------------------------------- -------- ----- -------------- ----------- ------------------------------

164 unix-gnome 87F5139B22DFCC6D9B2F24B72964916D -RD--PSA 24 1885x1156 Running musclor

NX> 148 Server capacity: not reached for user: manu
NX> 105 Restoresession --link="lan" --backingstore="1" --cache="128m" --images="256m" --shmem="1" --shpix="1" --strict="0" --composite="1" --media="0" --session="musclor" --type="unix-gnome" --geometry="800x600+542+289" --client="macosx" --keyboard="query" --id="87f5139b22dfcc6d9b2f24b72964916d"

NX> 500 Internal error
NX> 999 Bye.
NX> 280 Exiting on signal: 15

ne...@googlecode.com

unread,

Oct 8, 2010, 9:14:13 AM10/8/10

to ne...@googlegroups.com

Comment #4 on issue 54 by repinel: Internal Error have not been able to
connect
http://code.google.com/p/neatx/issues/detail?id=54

NX> 203 NXSSH running with pid: 2702

NX> 285 Enabling check on switch command
NX> 285 Enabling skip of SSH config files
NX> 285 Setting the preferred NX options

NX> 200 Connected to address: IP on port: 2222

NX> 202 Authenticating user: nx
NX> 208 Using auth method: publickey

/usr/bin/X11/xauth: timeout in locking authority file
/var/lib/nxserver/home//.Xauthority

HELLO NXSERVER - Version 3.3.0 - GPL
NX> 105 Hello nxclient - version 3.3.0
NX> 134 Accepted protocol: 3.3.0
NX> 105 Set SHELL_MODE: SHELL
NX> 105 Set AUTH_MODE: PASSWORD
NX> 105 Login

NX> 101 User: xxxx
NX> 102 Password: **********

X11 connection rejected because of wrong authentication.
NX> 103 Welcome to: hostname user: xxxx
NX> 105 Listsession --user="xxxx" --status="suspended,running"
--geometry="1280x1024x24+render" --type="unix-gnome"

ne...@googlecode.com

unread,

Dec 23, 2010, 5:12:40 PM12/23/10

to ne...@googlegroups.com

Comment #5 on issue 54 by sparklingsri: Internal Error have not been able
to connect
http://code.google.com/p/neatx/issues/detail?id=54

NX> 203 NXSSH running with pid: 5788

NX> 285 Enabling check on switch command
NX> 285 Enabling skip of SSH config files
NX> 285 Setting the preferred NX options

NX> 200 Connected to address: 10.10.51.68 on port: 22

NX> 202 Authenticating user: nx
NX> 208 Using auth method: publickey

HELLO NXSERVER - Version 3.3.0 - GPL
NX> 105 Hello nxclient - version 3.3.0
NX> 134 Accepted protocol: 3.3.0
NX> 105 Set SHELL_MODE: SHELL
NX> 105 Set AUTH_MODE: PASSWORD
NX> 105 Login

NX> 101 User: kal

NX> 102 Password: **********
Could not find ':' in DISPLAY:

NX> 103 Welcome to: kal-desktop user: kal
NX> 105 Listsession --user="kal" --status="suspended,running"
--geometry="1920x1200x32+render" --type="unix-gnome"
NX> 127 Session list of user 'kal':

Display Type Session ID Options Depth
Screen Status Session Name
------- ---------------- -------------------------------- -------- -----
-------------- ----------- ------------------------------

178 unix-gnome 795E9EF524AC98749F3852B72E0F51F0 FRD--PSA 24
1914x1119 Running FullDesktop

NX> 148 Server capacity: not reached for user: kal

NX> 105 Restoresession --link="lan" --backingstore="1" --encryption="1"
--cache="16m" --images="64m" --shmem="1" --shpix="1" --strict="0"

--composite="1" --media="0" --session="fulldesktop" --type="unix-gnome"
--geometry="1914x1119" --client="winnt" --keyboard="pc102/en_us"
--id="795e9ef524ac98749f3852b72e0f51f0" --resize="1"

ne...@googlecode.com

unread,

May 10, 2011, 10:32:54 AM5/10/11

to ne...@googlegroups.com

Comment #6 on issue 54 by taz.ins...@gmail.com: Internal Error have not

been able to connect
http://code.google.com/p/neatx/issues/detail?id=54

to restart session i'm doing this:
cd /var/lib/neatx/sessions && rm -rf *

then reboot to kill all X app's and after that connecting again.

Nico Kadel-Garcia

unread,

May 16, 2011, 12:28:49 AM5/16/11

to neatx

On May 10, 10:32 am, ne...@googlecode.com wrote:
> Comment #6 on issue 54 by taz.ins...@gmail.com: Internal Error have not

> been able to connecthttp://code.google.com/p/neatx/issues/detail?id=54

>
> to restart session i'm doing this:
> cd /var/lib/neatx/sessions && rm -rf *
>
> then reboot to kill all X app's and after that connecting again.

If this is what I think, than this is more than you need. You can use
lsof to identify which of the pipes in /var/lib/neatx/sessions are
still active, and delete the ones that aren't. I ue a cron job for
this, that also reports the dead sessions.

It's an old bug. Since Neatx, and the other freeware NX wrapper
"freenx" are both abandonware, since it does not include the
underlying NX libraries but is merely a server wrapper, and since the
company that wrote NX is alpha testing version 4.0 which is a pretty
thorough rewrite, I think you can consider pursuing neatx to be fairly
pointless. Freenx has fewer glaring bugs like this, though progress on
it also seems to have stalled.

ne...@googlecode.com

unread,

Nov 27, 2011, 10:56:45 AM11/27/11

to ne...@googlegroups.com

Comment #7 on issue 54 by rektide: Internal Error have not been able to
connect
http://code.google.com/p/neatx/issues/detail?id=54

on Debian/testing, getting the same generic nondescript "500 Internal
error" when I try to reconnect to a session I've been disconnected from.
tried using various wm's; openbox, awesome, i don't see a gnome 2.x to try
and add in debian.

i'm afraid no one on this chain really knows what to do to generate more
useful debugging information for this ticket. :( the 500 Internal error is
so generic. :(

Reply all

Reply to author

Forward