[Gate-users] Problem with gjm when Gate tree is missing

[Jan De Beenhouwer]

On Mon, 2007-12-03 at 13:02 +0100, Hannes Hofmann wrote:
> Hello,
> 
> in order to save disc space I have disabled the ntuple output (Gate tree
> in the .root file). When I run gjm after my jobs have completed I get
> the following output:
> 
> $ gjm my.split
>   Combining: my1.root my2.root ... -> my.root
> Gate is empty!
> Problem with merging Gate
> $
> 
> Now I wonder if this message is just informative or if gjm aborts after
> it. The other trees (Singles and Hits) look fine, but maybe it is just a
> conincidence because the appear before the Gate tree and get merged
> before the problem occurs?
> 

it is informative, the merging of other trees should continue.

regards,

> Btw, gjm does not complain that any other tree like SingesBlurred etc.
> is empty.
> 
> Is gjm safe in case when a tree is empty?
> 
> Thanks,
> Hannes
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-- 
MScE Jan De Beenhouwer
Ghent University Hospital
IBITECH - MEDISIP
De Pintelaan 185
Block B - 5th floor
B-9000 Ghent
Tel. +32-9-332.43.26
Fax: +32-9-332.33.90
E-mail: <Jan.DeBeenhouwer at UGent.be>