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root:troubleshooting [2013/06/14 12:11]
nchiap
root:troubleshooting [2013/06/14 12:14] (current)
nchiap
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 Root-files can be the source of various problems. Root-files can be the source of various problems.
 Usually they are caused by hidden changes in the internal state of ROOT. Usually they are caused by hidden changes in the internal state of ROOT.
-ROOT stores the active directory. +ROOT stores the active directory ​and uses this to create new objects and look for existing ones
-When a new histograms ​is created, ​ in the active directoy, existing histograms are looked for in+The active directory is changed when a new file is opened.  
 +This can lead to unexpected behaviours and hard to trace bugs.
  
 ===== Empty Files ===== ===== Empty Files =====
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 outputFile->​Write();​ outputFile->​Write();​
 </​code>​ </​code>​
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root/troubleshooting.txt · Last modified: 2013/06/14 12:14 by nchiap