qdbus /ScreenSaver Lock fails

[Kevin Krammer]

On Sunday, 2014-01-05, 08:22:13, David L wrote:
> On Sun, Jan 5, 2014 at 7:53 AM, Kevin Krammer  wrote:
> > On Sunday, 2014-01-05, 07:16:51, David L wrote:
> > 
> > Since you have confirmed in your other reply that it works if the D-Bus
> > address is available to the script, do you get any error when you run
> > qdbus in
> > the SSH session and have just exported DISPLAY?
> 
> My old script did not work from cron or ssh after upgrading Kubuntu and
> Mint.  It did work in a local session.

So any output, error or otherwise, when you only set DISPLAY?

> > Regarding your idea to write the address into a file, that actually
> > already
> > happens as well, see ~/.dbus/session-bus
> 
> If I try to use the DBUS_SESSION_BUS_ADDRESS in the one file
> in ~/.dbus/session-bus, it doesn't work.  The results I get are different
> in my local session and in that tmp file:
> 
> echo $DBUS_SESSION_BUS_ADDRESS
> unix:abstract=/tmp/dbus-1i5RBi6cFV,guid=4a22a915e3c0a1082928620e52c238bf
> 
> grep DBUS_SESSION_BUS_ADDRESS ~/.dbus/session-bus/*
> # If the DBUS_SESSION_BUS_ADDRESS environment variable is set, it will
> DBUS_SESSION_BUS_ADDRESS=unix:abstract=/tmp/dbus-p7FI7sRDLO,guid=42d74b3a12b
> 87cd5e97149cd52c238bf

Strange. If you look at that file's time stamp, is it approximately the 
date/time when you started the session?

> If I set the variable to the value in the file, my script stops working
> even from the local session.

Right, it seems to have come from an earlier/unrelated session.

It would in all cases just be a workaround, dbus-launch should be able to find 
the XAtom with the address via DISPLAY.

Cheers,
Kevin
-- 
Kevin Krammer, KDE developer, xdg-utils developer
KDE user support, developer mentoring
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