Re: [ROOT] tchain

From: Rene Brun (Rene.Brun@cern.ch)
Date: Wed Nov 27 2002 - 22:32:50 MET


Hi Davide,

Please give more information, eg run under gdb and send
the traceback when you get the crash.
I obviously assume that you have recompiled at least once
your file test.C with

       chain.Process("test.C++");
instead of;
       chain.Process("test.C+");

Rene Brun

On Wed, 27 Nov 2002, Davide Grandi wrote:

> root version 3.03.09 
> Linux machine, Intel 2.0 Ghz double processor
> 
> Dear rooters,
> 	I'm having problems in using TChain with new root version, a
> simple code running on two files independently is not running on a chain
> of both. In the code I select only few branches to analyse....
> 
> I use this lines of code:
> 
>         TChain chain("mychain");
> 	chain.Add("one.root");
> 	chain.Add("two.root");
> 	chain.Print("all");
> 	chain.Process("test.C+");
> 	
> This gives:
> 
>  *** Break *** segmentation violation
> 
> but  with previous version 3.03.04 it works.... Sorry for stupid question
> but is something changed (chain.Print works on both version of root)?
> 
> Thanks
> 
> Davide Grandi
> 
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