Hi Daniel, it looks like you are using an obsolete version of the .rootrc or $ROOTSYS/etc/system.rootrc file which has an old format for the plugin handler description. Hence the Error from the TPluginHandler. Please check that: root [1] gROOT->GetPluginManager()->Print("a") ===================================================================== Base Regexp Class Plugin ===================================================================== TFile ^rfio: TRFIOFile RFIO [Ctor: TRFIOFile(const char*,Option_t*,const char*,Int_t)] prints the Ctor. Let me know. Cheers, Fons. On Wed, 2002-11-27 at 17:14, Daniel Cussol wrote: > Hello rooters, > I would like to know if it there is a way to add TRFIOFiles to TChains. > When I use the TChain::Add("rfio:....") it works correctly or at least no > error occurs. But when I want to start a viewer I obtain a segmentation > violation. When I use the TChain::Process, the error message > > Error in <TPluginHandler::ExecPlugin>: no ctor specified for this handler > TRFIOFile method, > > is printed. I tried to add directly the TFiles to the TChain's list of > file (using TChain::GetListOfFiles()->Add(tf) method, where tf is > obtained by TFile *tf=(TFile *)new TRFIOFile("rfio:...") ) but it does not > work. When I use the TFRIOFile alone, all is working correctly. Could it > be possible a TRFIOChain Class to chain TRFIOFiles or modify the TChain in > order to enable the use of TRFIOFiles? > > I run ROOT version 3.03/07 on Linux RH7.2. > > Friendly > > Daniel CUSSOL > > LPC Caen > Boulevard du Marechal Juin > 14050 CAEN CEDEX > > e-mail : cussol@in2p3.fr > Tel : +33-(0)2-31-45-29-73 > FAX : +33-(0)2-31-45-25-49 -- Org: CERN, European Laboratory for Particle Physics. Mail: 1211 Geneve 23, Switzerland E-Mail: Fons.Rademakers@cern.ch Phone: +41 22 7679248 WWW: http://root.cern.ch/~rdm/ Fax: +41 22 7679480
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