Re: [ROOT] R__zip: bad pack level

From: Rene Brun (Rene.Brun@cern.ch)
Date: Fri Mar 29 2002 - 08:26:27 MET


Hi Huw,
The problem cannot be with the input file.
Could you send me a script and an input file that I can use
to understand this problem.
If the input file is too big, let me know where I can pick it.

Rene Brun

On Thu, 28 Mar 2002, Huw Shorthouse wrote:

> Hi,
> 
> I haven't specified a compression level or any options when opening
> TFile's (except "recreate").
> 
> I'm just filling a cloned tree to reduce the number of entries.  The
> original file seems fine (!?) and then I open a new file, clone the tree
> and fill some of the entries.  The [R__zip: bad pack level] errors only
> seem to occur at certain times from tree->Fill() (and the new reduced file
> is unreadable).
> 
> Its hard to see what could be going wrong - I've never had this problem
> before when doing exactly the same thing (with the same version, 3.00/06).
> 
> The only thing I can think of is a problem with the original root file but
> I made it and so can't see anything wrong with it.  Its just created with
> origTree->Fill(), origTree->Write(); outputFile->Close(); (if that means
> anything).  Are there any obvious problems that could cause this.
> 
> Cheers,
> Huw
> 
> On Thu, 28 Mar 2002, Rene Brun wrote:
> 
> > Huw,
> >
> > You get this message if you have specified a compression level > 9
> >
> > Rene Brun
> >
> > Huw Shorthouse wrote:
> > >
> > > Hi,
> > >
> > > Could anyone tell me what the error message "R__zip: bad pack level"
> > > means.  Its occurring when I fill a subset of a tree so I guess I must be
> > > doing something wrong.
> > >
> > > Cheers,
> > > Huw
> >
> 



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