SlaveBegin() is not called

Hi Rooters!

I am trying to use TSelector to process data in a TTree object. However, it seems that the SlaveBegin() function is not called. Therefore, the histograms declared in SlaveBegin cannot be saved to the output root file in Terminate() function.

The process time is extremely short which is abnormal. What I got from the processing is:

Info in <TProofLite::SetQueryRunning>: starting query: 1
Info in <TProofQueryResult::SetRunning>: nwrks: 1
Looking up for exact location of files: OK (1 files)                 
Looking up for exact location of files: OK (1 files)                 
Info in <TPacketizer::TPacketizer>: Initial number of workers: 1
Validating files: OK (1 files)                 
Collection name='TSelectorList', class='TSelectorList', size=1 0.00 %
Collection name='MissingFiles', class='TList', size=0

Here are the related codes:
TestSelector.h (7.3 KB)
TestSelector.C (3.8 KB)
ProcessGroup.C (529 Bytes)
AddFiles.C (1005 Bytes)

Could you please help me solve this problem? Thanks!


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