Random Forest Partial implementation in training stage throw EOF exception

when running next command line to training:
bin/hadoop jar mahout-examples-0.5-gphdce-1.1.0.0-job.jar org.apache.mahout.df.mapred.BuildForest -Dmapred.max.split.size=1874231 -oob -d rf_input/KDDTrain_20Percent.arff -ds rf_input/KDDTrain_20Percent.info -sl 5 -p -t 100
it will throw an EOF exception.
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Reason:
In previous stage, _SUCCESS and _logs file will in the output folder, when parse the output folder, _SUCCESS and _logs will cause an EOF exception