Hi Reinhardt,
I do not understand how you can get this message.
Could you tell me which version of Root you are using?
Did you build it yourself?
Could you send me a file r97.root showing this problem?
Rene Brun
On Mon, 18 Mar 2002, Reinhardt Chamonal wrote:
> Hi,
> I have a problem with an warning message...
> I must confess I ignored it until I needed to Write new histograms...
> The message is:
>
> WARNING, class:TLeaf StreamerInfo read from file:r97.root
> has the same version:2 than the active class
> but a different checksum.
> You should update the version to ClassDef(TLeaf,3).
> Do not try to write objects with the current class definition,
> the files will not be readable.
>
> How do I "update the version to ClassDef(TLeaf,3)" ?
> Do I need to get rid of the streamer or something like that ?
>
> The r97.root has been obtained by h2root a r97.rz file
> and I am calling it this way:
> TFile *r97 = new TFile("r97.root") ;
>
> Any Idea ?
>
> Cheers..
>
>
>
>
>
> ------------------------------------------------------------
> Reinhardt CHAMONAL The University of Edinburgh
> Dept. of Physics & Astronomy
> email: chamonal@ph.ed.ac.uk King's Buildings, JCMB, 5301
> Mayfield Road
> phone: +44-131-650 5307 Edinburgh, EH9 3JZ
>
> web: http://www.ph.ed.ac.uk/~chamonal/
> http://www.reuh.fr.st
> ------------------------------------------------------------
>
This archive was generated by hypermail 2b29 : Sat Jan 04 2003 - 23:50:46 MET