[X2Go-User] testing session broker in WSGI/plain/inifile configuration

[Mike Gabriel]

Hi Kermit

----- Original message -----
> OK made a bit of progress.   I've got the session profile defined in the
> config file, and I'm getting the x2go client to communicate with the
> session broker.   It seems though, that things are breaking when the
> session broker tries to communicate with the broker agent.
> 
> I get an internal server error console message on the terminal where I'm
> trying to launch x2goclient.   When I look in the apache logs, I see the
> following error from the virtual host for the wsgi session broker:
> 
> <VirtualHost *:443>
>         ServerName broker.lanl.gov
> [Fri Nov 01 11:12:51 2013] [notice] Apache/2.2.22 (Ubuntu) configured --
> resuming no[Sat Nov 02 00:48:11 2013] [error]
> ***************************************************************************
> [Sat Nov 02 00:48:11 2013] [error] [Sat Nov 02 00:48:11 2013] [error]
> [Sat Nov 02 00:48:11 2013] [error] Authentication (publickey)
> successful! [Sat Nov 02 00:48:11 2013] [error] [chan 1] Max packet in:
> 34816 bytes [Sat Nov 02 00:48:11 2013] [error] [chan 1] Max packet out:
> 32768 bytes [Sat Nov 02 00:48:11 2013] [error] Secsh channel 1 opened.
> [Sat Nov 02 00:48:11 2013] [error] [chan 1] Sesch channel 1 request ok
> [Sat Nov 02 00:48:11 2013] [error] [chan 1] EOF received (1) [Sat Nov 02
> 00:48:11 2013] [error] Uncaught exception POST /plain/inifile
> (xxx.xxx.xxx.xxx) [Sat Nov 02 00:48:11 2013] [error]
> <tornado.wsgi.HTTPRequest object at 0x7fc8c0927dd0> [Sat Nov 02 00:48:11
> 2013] [error] Traceback (most recent call last): [Sat Nov 02 00:48:11
> 2013] [error]     File "/usr/lib/python2.7/dist-packages/tornado/web.py",
> line 954, in _execute [Sat Nov 02 00:48:11 2013] [error]       
> getattr(self, self.request.method.lower())(*args, **kwargs) [Sat Nov 02
> 00:48:11 2013] [error]     File
> "/usr/lib/python2.7/dist-packages/x2gobroker/web/plain.py", line 136, in
> post [Sat Nov 02 00:48:11 2013] [error]         profiles =
> broker_backend.list_profiles(username) [Sat Nov 02 00:48:11 2013]
> [error]     File
> "/usr/lib/python2.7/dist-packages/x2gobroker/brokers/base_broker.py",
> line 862, in list_profiles [Sat Nov 02 00:48:11 2013] [error]       
> running_sessions, suspended_sessions =
> x2gobroker.agent.has_sessions(username, query_mode=agent_query_mode,
> remote_agent=remote_agent) [Sat Nov 02 00:48:11 2013] [error]     File
> "/usr/lib/python2.7/dist-packages/x2gobroker/agent.py", line 230, in
> has_sessions [Sat Nov 02 00:48:11 2013] [error]         return ([
> s.split('|')[3] for s in _session_list if s.split('|')[4] == 'R' ], [
> s.split('|')[3] for s in _session_list if s.split('|')[4] == 'S' ]) [Sat
> Nov 02 00:48:11 2013] [error] TypeError: 'NoneType' object is not
> iterable
> 
> Do I have to actually modify something in the broker agent's
> configuration?   What might I have done wrong in a configuration file on
> the session broker server?
> 
> Thanks!!!
> -Kermit

I really have to release 0.0.3.0 which is currently in x2gobroker.git master branch and in our nightly builds.

Please use that version (which still is a development snapshot and a preview, but in terms of the agent more robust).

Mike




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