X2Go Bug report logs - #1478
pyhoca-cli failing to resume an existing session

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Package: pyhoca-cli; Maintainer for pyhoca-cli is X2Go Developers <x2go-dev@lists.x2go.org>; Source for pyhoca-cli is src:pyhoca-cli.

Reported by: Chris Greenshields <c.greenshields@cfd.direct>

Date: Tue, 23 Jun 2020 09:00:02 UTC

Severity: normal

Found in version 0.6.1.2

Fixed in version 0.6.1.3

Done: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Bug is archived. No further changes may be made.

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Subject: Bug#1478: pyhoca-cli failing to resume an existing session
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Package: pyhoca-cli
Version: 0.6.1.2

With x2goserver 4.1.0.0-3, pyhoca-cli fails to resume an existing session.

For example with:
pyhoca-cli --username <user> --server <ip> -R <session ID>

Error message is:

pyhoca-cli[1269418] NOTICE: preparing requested X2Go session
pyhoca-cli[1269418] (PyHocaCLI) NOTICE: preparing requested X2Go session
pyhoca-cli[1269418] (x2gosessregistry-pylib) NOTICE: registering X2Go session Pyhoca-Client_Session...
pyhoca-cli[1269418] (x2goclient-pylib) NOTICE: initializing X2Go session...
pyhoca-cli[1269418] (x2gocontrolsession-pylib) NOTICE: connecting to [3.127.73.135]:22
pyhoca-cli[1269418] (PyHocaCLI) NOTICE: authentication has been successful
pyhoca-cli[1269418] (PyHocaCLI) NOTICE: give the X2Go session some time to come up...

Traceback (most recent call last):
  File "/usr/bin/pyhoca-cli", line 455, in <module>
    thisPyHocaCLI.MainLoop()
  File "/usr/lib/python3/dist-packages/pyhoca/cli/frontend.py", line 702, in MainLoop
    self.resume_session(self.x2go_session_hash)
  File "/usr/lib/python3/dist-packages/pyhoca/cli/frontend.py", line 229, in resume_session
    if available_sessions is None:
UnboundLocalError: local variable 'available_sessions' referenced before assignment

An upgrade to x2goserver 4.1.0.3 does not fix the problem, since pyhoca-cli 0.6.1.2 fails with
"pyhoca-cli: error: the remote server does not have the X2Go Server software installed"
as in https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1357

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