Re: problem with castor

From: Rene Brun <Rene.Brun_at_cern.ch>
Date: Mon, 16 Aug 2010 11:33:25 +0200


Use TChain::Add and not TChain::add

Rene Brun

Massimiliano Chiorboli wrote:
> Dear experts,
> I'm trying to read some files on castor from a macro.
> I have:
>
> TChain *fChain = new TChain("HltTree");
> fChain->add("/castor/cern.ch/user/c/chiorbo/OpenHlt_Spring10/LM0/openhlt_100_1_ios.root");
> fChain->add("/castor/cern.ch/user/c/chiorbo/OpenHlt_Spring10/LM0/openhlt_101_1_LuY.root");
>
>
> I tried also:
>
> fChain->add("rfio:/castor/cern.ch/user/c/chiorbo/OpenHlt_Spring10/LM0/openhlt_100_1_ios.root");
>
> and
>
> fChain->add("rfio:///castor/cern.ch/user/c/chiorbo/OpenHlt_Spring10/LM0/openhlt_100_1_ios.root");
>
>
> I always get:
>
> Error: Can't call TChain::add("/castor/cern.ch/user/c/chiorbo/OpenHlt_Spring10/LM0/openhlt_100_1_ios.root") in current scope BaseHltTree.h:1689:
> Possible candidates are...
> (in TChain)
> (in TTree)
> *** Interpreter error recovered ***
>
> What is wrong in what I do?
>
> I'm using root 5.22/00d with all the environments set as for the cms software (command cmsenv under a cmssw project).
>
> Thanks,
> Massimiliano
>
Received on Mon Aug 16 2010 - 11:33:31 CEST

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