utf7 commented on pull request #2209:
URL: https://github.com/apache/hbase/pull/2209#issuecomment-680009056


   fix NullPointerException when using TestTableSnapshotInputFormat,something 
the counter is null 
   
   before that, origin code using try-catch and debug log , here we using `if 
(counter != null) {
             counter.increment(numScannerRestarts);
           }` instead 


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