Hi Damir,
I do not see anything wrong in your example.
But if you will use TObjArray of TObjArray's then you will not need
special Streamer at all.
Victor
Damir Buskulic wrote:
>
> Hi,
>
> I have an array of TObjArrays that I want to stream. When I read the
> objects back, I have an error :
>
> Error in <TClass::New>: no default ctor for class TObjArray
> Error in <TBuffer::ReadObject>: could not create object of class
> TObjArray
> Warning in <TExMap::Remove>: key 2560 not found at 45
> Warning in <TBuffer::CheckObject>: reference to object of unavailable
> class TObjArray, pointer will be 0
>
> Program received signal SIGSEGV, Segmentation fault.
>
> This happens in the streamer of a class, here is the excerpt of the
> Streamer that does the job :
>
> mFDNames = new TObjArray* [mCapacity];
> memset(mFDNames, 0, mCapacity*sizeof(TObjArray*));
> TObjArray* obj;
> for (Int_t i=0; i<mCapacity;i++) {
> R__b >> obj;
> if (obj) mFDNames[i] = obj;
> }
>
> It happens only on Alpha with gcc 2.8.1, but works fine on Alpha/egcs
> and LinuxPPC/egcs. What does this mean ? Should I do something special
> before R__b>>obj ?
>
> Cheers
>
> Damir
> --
> =====================================================================
> | Damir Buskulic | Universite de Savoie/LAPP |
> | | Chemin de Bellevue, B.P. 110 |
> | Tel : +33 (0)450091600 | F-74941 Annecy-le-Vieux Cedex |
> | e-mail: buskulic@lapp.in2p3.fr | FRANCE |
> =====================================================================
> mailto:buskulic@lapp.in2p3.fr
--
Victor M. Perevoztchikov perev@bnl.gov perev@vxcern.cern.ch
Brookhaven National Laboratory MS 510A PO Box 5000 Upton NY 11973-5000
tel office : 631-344-7894; fax 631-344-4206; home 631-345-2690
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