Hi Rasmus,
mail me (and don't cc: roottalk) the hsimple.root file in the attachment.
I first want to try it locally.
-- Fons
Rasmus Ischebeck wrote:
>
> Hi Fons,
>
> I agree that using the ~/.rootdpass file is the easiest for us at the
> moment. Still, I am not successful:
> My password for accessing files via rootd shall be "hello". (I've also
> tried my login password, it gives the same results.)
>
> I entered the following command:
>
> $ perl -e '$pw = crypt("hello","salt"); print "$pw\n"'
> saPPmoXIbs91M
>
> I created a file ~/.rootdpass that contains:
> saPPmoXIbs91M
>
> I start rootd on the machine ttfsvr2.desy.de:
> $ rootd -p 5157
> The process runs in the background:
> $ ps -ef | grep rootd
> rasmus 10983 1 0 17:05:51 ? 0:00 rootd -p 5157
>
> Now I open ROOT on another machine.
> within ROOT, I enter:
> TFile *myfile = TFile::Open("root://ttfsvr2.desy.
> de:5157/Root/ROOT.2.24.04/test/hsimple.root")
> ROOT asks for my name (rasmus) and password (hello)
> Name (ttfsvr2.desy.de:rasmus): rasmus
> Password: hello {not shown}
>
> I keep getting this error message:
> Error in <TNetFile::ReadBuffer>: undefined error
> Error in <TNetFile::TFile>: root://ttfsvr2.desy.de:5157
> /Root/ROOT.2.24.04/test/hsimple.root not a ROOT file
>
> However, when I open the file via NFS, it works:
> TFile *mylocalfile = TFile::Open("/home/rasmus/Root/ROOT.2.24.04/test
> /hsimple.root")
> mylocalfile.ls()
> TFile** /home/rasmus/Root/ROOT.2.24.04/test/hsimple.root
> Demo ROOT file with histograms
> TFile* /home/rasmus/Root/ROOT.2.24.04/test/hsimple.root
> Demo ROOT file with histograms
> KEY: TH1F hpx;1 This is the px distribution
> KEY: TH2F hpxpy;1 py vs px
> KEY: TProfile hprof;1 Profile of pz versus px
> KEY: TNtuple ntuple;1 Demo ntuple
>
> (which is just what hsimple.cxx put in the file.)
>
> Do you have any clue what prevents my rootd from reading the file?
> Why is it not recognized as a ROOT file?
>
> By the way, the authentication seems to work:
> if I enter a wrong password, I get the message:
> Error in <TNetFile::Authenticate>: undefined error
> Error in <TNetFile::TNetFile>: autentication failed for host
> ttfsvr2.desy.de
>
> Checking whether the file name is correct also seems to work:
> if I enter a wrong file name, I get a different error message:
> TFile *myfile7 = TFile::Open("root://ttfsvr2.desy.
> de:5157/Root/ROOT.2.24.04/test/wrongfilename.root")
> Name (ttfsvr2.desy.de:rasmus): rasmus
> Password:
> Error in <TNetFile::TNetFile>: undefined error
> (I do not get the message "not a ROOT file" in this case.)
>
> Can you reproduce the problem?
>
> Thanks,
>
> Rasmus.
> ___
>
> >Hi Ingo,
> >concerning the first case did you compile rootd with AFS support? If
> >not you have to recompile rootd with AFS support.
> >COncerning the second case? Seems like it should not happen. Does the
> >machine in question have a normal passwd file or does it use shadow
> >passwords.
> >In the later case you'll also have to recompile rootd with
> >shadow passwd support.
> >In general it might be easier to use the
> >~/.rootdpass method as described in the comments of the rootd.cxx source
> >file.
> >Cheers, Fons.
>
> >Ingo Strauch wrote:
> >>
> >> Hi rooters!
> >>
> >> We tried to access a root-file on a remote machine running the root
> daemon
> >> (rootd -p 5151). The following command gave a strange error:
> >>
> >> TFile *file =
> TFile::Open("root://tortuga.desy.de:5151/root/Example.root");
> >> Name (tortuga.desy.de:strauch): strauch Password: Error in
> >> <TNetFile::Authenticate>: wrong passwd
> >> Error in <TNetFile::TNetFile>: autentication failed for host
> tortuga.desy.de
> >>
> >> But I'm perfectly sure to have entered my right AFS password...
> >>
> >> When we try to access a file on a non-afs machine, we get one step
> further,
> >> but still the error remains strange:
> >>
> >> root [3] TFile *file =
> >> TFile::Open("root://ttfsvr2.desy.de:5151/DAQ/readROOT/oink.root");
> >> Name (ttfsvr2.desy.de:strauch): rasmus Password: Error in
> >> <TNetFile::ReadBuffer>: undefined error Error in <TNetFile::TFile>:
> root://ttfsvr2.desy.de:5151/DAQ/readROOT/oink.root
> >> not a ROOT file root [4] file.ls()
> >> TNetFile**
> root://ttfsvr2.desy.de:5151/DAQ/readROOT/oink.root
> >> TNetFile*
> root://ttfsvr2.desy.de:5151/DAQ/readROOT/oink.root
> >>
> >> The ROOT versions we tried were 2.23/10 and 2.24/04 Machines tortuga:
> >> IRIX 6.5 ttfsvr2: Solaris 5.7
> >>
> >> Can anybody tell us your experience with the ROOT daemon?
> >>
> >> Ingo & Rasmus
> >>
--
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 7677910
This archive was generated by hypermail 2b29 : Tue Jan 02 2001 - 11:50:25 MET