[rkward-devel] R_engine_has_died

[Thomas Friedrichsmeier]

Hi,

On Sunday 16 October 2011, Ádám Kőrösi wrote:
> I receive the following error message (1) when I try to start RKWard
> using sudo rkward from the konsole. I have Ubuntu lucid lynx installed
> on my PC with KDE 4.4.5 and R 2.12.3.
> 
> Message 1:
> 
> R engine has died
> 
> Error during handshake with backend process. Expected token 'Error:
> "/tmp/kde-korosi" is owned by uid 1000 instead of uid 0.', received
> token '3J0AboaB3yq66QFyvuXHC581kFAGQNdS'

well, in general, it is not recommended to run RKWard (or any other complex 
application) as root. We do not generally test this, and it is always likely 
that you will see some quirks, and / or end up with files owned by root inside 
your home folder (which could cause subsequent problems running as a regular 
user).

That said, this particular problem is probably fixed in our svn version 
(http://p.sf.net/rkward/svn), and the daily builds 
(https://launchpad.net/~rkward-devel/+archive/rkward-dailys). At least on this 
computer, I can start the development version of RKWard with sudo, without 
obvious problems.

Regards
Thomas
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