X2Go Bug report logs - #708
x2gosqlitewrapper.pl reports "unable to open database" on session-resume, while the database is there.

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Package: x2goserver; Maintainer for x2goserver is X2Go Developers <x2go-dev@lists.x2go.org>; Source for x2goserver is src:x2goserver.

Reported by: "Zuck, Daniel" <Daniel.Zuck@six-group.com>

Date: Fri, 19 Dec 2014 10:20:01 UTC

Severity: normal

Found in version 4.0.1.15

Done: Stefan Baur <X2Go-ML-1@baur-itcs.de>

Bug is archived. No further changes may be made.

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From: owner@bugs.x2go.org (X2Go Bug Tracking System)
Subject: Bug#708 closed by Stefan Baur <X2Go-ML-1@baur-itcs.de> (Re:
 x2gosqlitewrapper.pl reports "unable to open database" on session-resume,
 while the database is there.)
Message-ID: <handler.708.b708.14207370889739.notifdone@bugs.x2go.org>
References: <54AEB94E.9050500@baur-itcs.de>
X-X2go-PR-Message: they-closed 708
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Date: Thu, 08 Jan 2015 17:15:02 +0000
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This is an automatic notification regarding your Bug report
which was filed against the x2goserver package:

#708: x2gosqlitewrapper.pl reports "unable to open database" on session-resume, while the database is there.

It has been closed by Stefan Baur <X2Go-ML-1@baur-itcs.de>.

Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact Stefan Baur <X2Go-ML-1@baur-itcs.de> by
replying to this email.


-- 
708: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=708
X2Go Bug Tracking System
Contact owner@bugs.x2go.org with problems
[Message part 2 (message/rfc822, inline)]
From: Stefan Baur <X2Go-ML-1@baur-itcs.de>
To: "Zuck, Daniel" <Daniel.Zuck@six-group.com>, "708@bugs.x2go.org" <708@bugs.x2go.org>
Subject: Re: x2gosqlitewrapper.pl reports "unable to open database" on session-resume, while the database is there.
Date: Thu, 08 Jan 2015 18:07:26 +0100
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Control: close -1
thanks

Am 08.01.2015 um 18:00 schrieb Zuck, Daniel:

> I understand it is hard to debug, and there is nothing more to do
> at this point in time; so I am absolutely OK to close the bug.

Thank you. :)

> However, if it reappears in the future, we have some sort of
> "knowledge base" to refer to - so the bug may be useful for this
> type of purpose.

Totally okay, that's why our bug tracker is public.

> Related any "success stories", I am bound to pipe this thru our
> "corporate communications", and it may be helpful to sort out the
> level of "evangelism" internally before. I am personally open to do
> so, and you may PING me from time to time in order to keep each
> other posted - in case I forget.

If you want to, you can pass my contact details (see footer) on to
your corporate communications department, or send me their contact
details off-list.  I'll make a note in my calendar for January 29,
2015, and ping you again then, if I don't hear from you or your
corporate communications department sooner. Okay? :-)

- -Stefan

- -- 
BAUR-ITCS UG (haftungsbeschränkt)
Geschäftsführer: Stefan Baur
Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243
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From: "Zuck, Daniel" <Daniel.Zuck@six-group.com>
To: "submit@bugs.x2go.org" <submit@bugs.x2go.org>
Cc: GuggenbĂĽhl, Oliver <Oliver.Guggenbuehl@six-group.com>, "Talvacchia, Claudio" <Claudio.Talvacchia@six-group.com>
Subject: x2gosqlitewrapper.pl reports "unable to open database" on session-resume, while the database is there.
Date: Fri, 19 Dec 2014 10:14:13 +0000
Package: x2goserver
Version: 4.0.1.15

Hello

The environment ist:
x2goagent: 3.5.0.27
x2goserver: 4.0.1.15
x2goserver-compat: 4.0.1.15
x2goserver-extensions: 4.0.1.15
x2goserver-fmbindings: 4.0.1.15
x2goserver-printing: 4.0.1.15
x2goserver-pyhoca: 4.0.1.15
x2goserver-xsession: 4.0.1.15
running on SLES11SP3. We have several servers running X2go, where at two systems a session resume raises an error since the same day:

DBD::SQLite::st execute failed: unable to open database file at /usr/lib/x2go/x2gosqlitewrapper.pl line 320.
syslog: invalid level/facility: error at /usr/lib/x2go/x2gosqlitewrapper.pl line 323

The message is shown by the X2Go-Client on a reconnect, right before the "session-status-info-window" becomes visible. Now at the GUI "Suspend Session" (in German: Anhalten) is selected, after this a reconnect to the session to resume. On clicking "Suspend Session", the error message is shown again. Then the session is selected and "klicked", which results in a "normal" resume of the session, and the remote GUI becomes visible.

The Syslog however has entries which read like the session is suspended/resumed correctly without any issues:

Dec 19 10:15:35 mxxxxxxxxx02 /usr/bin/x2gosuspend-session: session with ID XYZAB-76-1417681012_stDGNOME_dp32 has been suspended successfully
Dec 19 10:16:30 mxxxxxxxxx02 /usr/bin/x2gosuspend-session: session with ID XYZAB-76-1417681012_stDGNOME_dp32 has been suspended successfully
Dec 19 10:16:39 mxxxxxxxxx02 /usr/bin/x2goresume-session: client 10.43.142.67 has successfully resumed session with ID XYZAB-76-1417681012_stDGNOME_dp32
Dec 19 10:16:49 mxxxxxxxxx02 /usr/bin/x2gosetkeyboard: Setting X keyboard according to /home/XYZAB/.x2go/C-XYZAB-76-1417681012_stDGNOME_dp32/keyboard

Investigating further: When calling "x2golistsessions_root", the script lists a number of states, including the error-message above. So it appears to me, there is a consistency issue with the SQLite-DB. I strongly assume, it can be worked-around by recreating the DB, but I would like to sort out the reason, why it came to this status.

My questions:
Is this issue known? - I did not find anything like this at the bugtracker.
What information is needed for further investigations? - The system is still in this state, so we can pull further infos.

Regards

Daniel Zuck

SIX
DGI-OIE
Hardturmstrasse 201
Postfach
8021 ZĂĽrich

T +41 58 399 23 56 

http://www.six-group.com
mailto:Daniel.Zuck@six-group.com

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