Re: not a TStreamerInfo object

  Hi Oleksandr,

> I have this warning too with ROOT 5.26, if I open a file, which is produced with earlier ROOT version.

This should happen only when reading file create with v5.27/02 or later. If this happens with a file produced by an older ROOT file, can you please send me the offending file.

Thanks,
Philippe

On 9/11/10 7:05 PM, Oleksandr Zenaiev wrote:
> Hello everybody,
>
> I have this warning too with ROOT 5.26, if I open a file, which is produced with earlier ROOT version.
> Does anybody know the reason? And, more important, is this warning harmless or not?
>
> Best regards,
> Oleksandr.
>
> ----- Original Message -----
> From: Marc Escalier<escalier_at_lal.in2p3.fr>
> Date: Saturday, September 11, 2010 4:06 pm
> Subject: Re: [ROOT] not a TStreamerInfo object
> To: roottalk_at_lxroot01.cern.ch
>
>
>> sorry for the noise
>>
>> the problem disappeared, for an unknown reason anyway
>>
>> regards
>>
>> =================
>>
>> On Sat, 11 Sep 2010, Marc Escalier wrote:
>>
>>> Dear root community
>>>
>>> i fill some objects in a TFile using a compiled program
>>>
>>> But when afterwards, i open the produced file with root, i obtain
>> this :
>>> TFile f("myfile.root")
>>> -->
>>> Warning in<TFile::ReadStreamerInfo>: myfile.root: not a
>> TStreamerInfo object
>>> is it a problem that i could ignore ?
>>> Anyway, even if this is a warning, would you know where it is coming
>> from ?
>>> (i guess i must have done something not conventionnal somewhere)
>>>
>>> thank you
>>>
>>>
Received on Mon Sep 13 2010 - 18:24:14 CEST