ERROR for : mahout trainnb -i train-vectors -el -li labelindex -o model -ow -c

[arunpune]

I am getting an error when Run the below command: The error is for el parameter.

mahout trainnb -i train-vectors -el -li labelindex -o model -ow -c

Running on hadoop, using /home/ubuntu/hadoop/bin/hadoop and HADOOP_CONF_DIR=
MAHOUT-JOB: /home/ubuntu/mahout/examples/target/mahout-examples-0.11.2-SNAPSHOT-job.jar
16/02/17 16:44:36 WARN MahoutDriver: No trainnb.props found on classpath, will use command-line arguments only
16/02/17 16:44:36 ERROR AbstractJob: Unexpected -el while processing Job-Specific Options:
Unexpected -el while processing Job-Specific Options:
Usage:
[--input --output --alphaI --trainComplementary
--labelIndex --overwrite --help --tempDir --startPhase
--endPhase ]
Job-Specific Options:
--input (-i) input Path to job input directory.
--output (-o) output The directory pathname for output.
--alphaI (-a) alphaI smoothing parameter
--trainComplementary (-c) train complementary?
--labelIndex (-li) labelIndex The path to store the label index in
--overwrite (-ow) If present, overwrite the output directory
before running job
--help (-h) Print out help
--tempDir tempDir Intermediate output directory
--startPhase startPhase First phase to run
--endPhase endPhase Last phase to run

[fabianomichels]

This error happens because that Mahout has removed the --extractLabels option for trainnb in 0.10.1 release and runs as default."

https://github.com/intel-hadoop/Big-Data-Benchmark-for-Big-Bench/issues/50

Just remove "-el", or try to use a older version