RE: I/O problem between 4.04/02 and 4.00/08

Hi Martin,

See the recommended version at:
http://root.cern.ch/root/Availability.html

Version 4.04 is back compatible with 4.0 or 4.02

Rene Brun

On Fri, 3 Jun 2005,
schulte-wissermann
wrote:

>
> hi all rooters,
> i wanted to go to from 4.00.08 (wich is very nice and stable, btw) to
> 4.02.00 (or newer) this weekend. any backward-compatibility problems
> known so far? probably not, but stil an important question for me, since
> i do the upgrade on about 15 machines.
>
> cheers,
> martin
>
>
> On Fri, 3 Jun 2005, Philippe Canal wrote:
>
>> Hi,
>>
>> Indeed ROOT 4.00/08 is not always able to read file produced by
>> the newer version ROOT 4.04/02. The issues includes better
>> support for bool and support for autloading of references.
>>
>> Philippe.
>>
>> -----Original Message-----
>> From: owner-roottalk_at_pcroot.cern.ch [mailto:owner-roottalk_at_pcroot.cern.ch]
>> On Behalf Of Carlos Munoz Camacho
>> Sent: Tuesday, May 31, 2005 12:30 PM
>> To: roottalk_at_pcroot.cern.ch
>> Subject: [ROOT] I/O problem between 4.04/02 and 4.00/08
>>
>>
>> Hi,
>>
>> The ntuple attached was created with root 4.04/02 and linux. When
>> trying to read it with root 4.00/08, it crashes as below. I guess
>> "forward-compatibility" is not supported, but did so many changes in I/O
>> took place between these two versions than the reading of an ntuple is not
>> possible?
>>
>> Carlos
>>
>>
>> root -b test.root
>> *******************************************
>> * *
>> * W E L C O M E to R O O T *
>> * *
>> * Version 4.00/08 31 May 2005 *
>> * *
>> * You are welcome to visit our Web site *
>> * http://root.cern.ch *
>> * *
>> *******************************************
>>
>> Compiled for linux with thread support.
>>
>> CINT/ROOT C/C++ Interpreter version 5.15.138, May 23 2004
>> Type ? for help. Commands must be C++ statements.
>> Enclose multiple statements between { }.
>> root [0]
>> Attaching file test.root as _file0...
>> Warning in <TClass::TClass>: no dictionary for class TBranchRef is
>> available
>> Warning in <TClass::TClass>: no dictionary for class TRefTable is
>> available
>> root [1] ntup.Draw("v")
>> Warning in <TExMap::Remove>: key 65536 not found at 146
>> Warning in <TBuffer::CheckObject>: reference to object of unavailable
>> class TObject, offset=65536 pointer will be 0
>> Warning in <TExMap::Remove>: key 64 not found at 64
>> Warning in <TBuffer::CheckObject>: reference to object of unavailable
>> class TObject, offset=64 pointer will be 0
>> Warning in <TExMap::Remove>: key 24064 not found at 423
>> Warning in <TBuffer::CheckObject>: reference to object of unavailable
>> class TObject, offset=24064 pointer will be 0
>> Warning in <TExMap::Remove>: key 50331904 not found at 215
>> Warning in <TBuffer::CheckObject>: reference to object of unavailable
>> class TObject, offset=50331904 pointer will be 0
>> Warning in <TExMap::Remove>: key 419072 not found at 73
>> Warning in <TBuffer::CheckObject>: reference to object of unavailable
>> class TObject, offset=419072 pointer will be 0
>> Warning in <TExMap::Remove>: key 3 not found at 3
>> Warning in <TBuffer::CheckObject>: reference to object of unavailable
>> class TObject, offset=3 pointer will be 0
>> Error in <TStreamerInfo::ReadBuffer>: The element TLeaf::fIsRange type 218
>> (Bool_t) is not supported yet
>>
>> Error in <TStreamerInfo::ReadBuffer>: The element TLeaf::fIsUnsigned type
>> 218 (Bool_t) is not supported yet
>>
>> Error in <TBuffer::CheckByteCount>: object of class TLeaf read too few
>> bytes: 38 instead of 40
>> Warning in <TExMap::Remove>: key 196609 not found at 439
>> Warning in <TBuffer::CheckObject>: reference to object of unavailable
>> class TObject, offset=196609 pointer will be 0
>> Warning in <TExMap::Remove>: key 50331648 not found at 462
>> Warning in <TBuffer::CheckObject>: reference to object of unavailable
>> class TObject, offset=50331648 pointer will be 0
>> Warning in <TExMap::Remove>: key 16777216 not found at 154
>> Warning in <TBuffer::CheckObject>: reference to object of unavailable
>> class TObject, offset=16777216 pointer will be 0
>> Warning in <TExMap::Remove>: key 4194304 not found at 290
>> Warning in <TBuffer::CheckObject>: reference to object of unavailable
>> class TObject, offset=4194304 pointer will be 0
>>
>> etc....
>>
>>
>
Received on Fri Jun 03 2005 - 19:41:52 MEST