gaudirun.py from Gaudi.Configuration import * from Configurables import NTupleAlgorithm # Try to write in a directory that doesn't exist NTupleSvc(Output = ["MyTuples DATAFILE='/random/path/ntest.root' TYP='ROOT' OPT='NEW'"]) #HistogramPersistencySvc(OutputFile = "/random/path/htest.root") app = ApplicationMgr(TopAlg = [NTupleAlgorithm()], HistogramPersistency = "ROOT", EvtSel = "NONE", EvtMax = 5) SysError in <TFile::TFile>: file /random/path/ntest.root can not be opened (No such file or directory) SysError in <TFile::TFile>: file /random/path/ntest.root can not be opened (No such file or directory) true