Hi Valeriy,
Thanks for the reply.. I modified CarrotChildInit.C as you have described
here. I then restarted the apache server. However, I'm still seeing the same
behaviour, segfaulting on histograms. Any other ideas?
thanks,
-alex
However, this didn't change the behaviour.
On Monday 03 March 2003 01:16 am, Valeriy Onuchin wrote:
> Hi,
> Carrot should work with ROOT version > 3.02.
> Although a problem would appear in executing child init script
> http://carrot.cern.ch/CarrotExamples/CarrotChildInit.C
>
> This script loads several ROOT libs and executed when apache cihild
> process is spawned. Since some ROOT libraries have dependences
> an order of loading is not arbitrary. Unfortunately the order could be
> changed when one switches to another ROOT version. If you have ROOT
> sources you can find ROOT libs dependences by looking at
> config/Makefile.win32 I do not know at the moment how to determine libs
> dependencies by looking at compiled libs. If sombody knows how to do it,
> please, let me know.
> I hope to find solution for it by next Carrot release.
>
> For a time being try changed order of ROOT libs loading in
> CarrotChildInit.C as
>
> ret &= !gSystem->Load("libMatrix"); // moved up
> ret &= !gSystem->Load("libHist"); // moved up
> ret &= !gSystem->Load("libGraf");
> ret &= !gSystem->Load("libGpad");
> // ret &= !gSystem->Load("libMatrix");
> // ret &= !gSystem->Load("libHist");
> ret &= !gSystem->Load("libTree");
> ret &= !gSystem->Load("libGraf3d");
> ret &= G__loadfile("TApacheConfig.h");
>
> Hope this helps. Thanks for pointing the problem.
>
> Regards. Valeriy
>
>
>
> ----- Original Message -----
> From: "Alex Schlessinger" <als@SLAC.Stanford.EDU>
> To: <Valeri.Onoutchine@cern.ch>; <roottalk@pcroot.cern.ch>;
> <richard@SLAC.Stanford.EDU>; <kyoung@SLAC.Stanford.EDU>
> Sent: Friday, February 28, 2003 2:31 AM
> Subject: Carrot 1.07 and ROOT 3.04.02
>
> > Hi, a Carrot question:
> >
> > Is Carrot known to work with ROOT 3.04? When I run a histogram example
> > (hsimple0.C), the apache child serving the request segfaults. Here is a
> > snip from error_log
> >
> > [Thu Feb 27 16:44:27 2003] [notice] child pid 25875 exit signal
> > Segmentaon fault (11)
> >
> > This worked when our Carrot environment was against ROOT 3.02. What
> > have I done wrong?
> >
> > thanks,
> > -alex
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