[Halld-offline] root tree issue

Michael Staib mstaib at andrew.cmu.edu
Mon Apr 17 13:57:25 EDT 2017

Hi Beni,

How big is the tree? Maybe the negative number of bytes is some kind of overflow in a uint->int cast. Does it happen for all of the files or just a few?


Michael Staib
Graduate Student, Dept. of Physics
Carnegie Mellon University
mstaib at cmu.edu
phone: 412-268-2983

> On Apr 17, 2017, at 11:59 AM, Beni Zihlmann <zihlmann at jlab.org> wrote:
> Does anyone have an idea what I am doing wrong in my Tree?
> Creating and writing a tree does not snow any error. However when opening the file 
> and look with TBrowser in the tree I get the following error outputs when looking at any variable in the tree
> for each entry.
> Error in <TBasket::Streamer>: The value of fNbytes is incorrect (-394784763) ; trying to recover by setting it to zero
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