​Hi,

when i tried to run *PIO TRAIN*​ Command It is giving below exception
-----------------------------


*[INFO] [Engine$] Using existing engine manifest JSON at
${json.getCanonicalPath}[INFO] [Runner$] Submission command:
/home/vinod/PredictionIO/vendors/spark-1.6.2/bin/spark-submit --class
org.apache.predictionio.workflow.CreateWorkflow --jars
file:/home/vinod/bkp/Vinod-Backup/prediction/apache-predictionio-0.10.0-incubating/PredictionIO-0.10.0-incubating/bin/MyRecommendation/target/scala-2.10/template-scala-parallel-recommendation_2.10-0.1-SNAPSHOT.jar,file:/home/vinod/bkp/Vinod-Backup/prediction/apache-predictionio-0.10.0-incubating/PredictionIO-0.10.0-incubating/bin/MyRecommendation/target/scala-2.10/template-scala-parallel-recommendation-assembly-0.1-SNAPSHOT-deps.jar
--files
file:/home/vinod/PredictionIO/conf/log4j.properties,file:/home/vinod/PredictionIO/vendors/hbase-1.2.2/conf/hbase-site.xml
--driver-class-path
/home/vinod/PredictionIO/conf:/home/vinod/PredictionIO/lib/postgresql-9.4-1204.jdbc41.jar:/home/vinod/PredictionIO/lib/mysql-connector-java-5.1.37.jar:/home/vinod/PredictionIO/vendors/hbase-1.2.2/conf
file:/home/vinod/PredictionIO/lib/pio-assembly-0.11.0-SNAPSHOT.jar
--engine-id TauJFTFsGqH28Sk83s4GNq70QgC17fnw --engine-version
8d2942d699f689bacfa758ce4468ac89348a95f8 --engine-variant
file:/home/vinod/bkp/Vinod-Backup/prediction/apache-predictionio-0.10.0-incubating/PredictionIO-0.10.0-incubating/bin/MyRecommendation/engine.json
--verbosity 0 --json-extractor Both --env
PIO_STORAGE_SOURCES_HBASE_TYPE=hbase,PIO_ENV_LOADED=1,PIO_STORAGE_REPOSITORIES_METADATA_NAME=pio_meta,PIO_FS_BASEDIR=/home/vinod/.pio_store,PIO_STORAGE_SOURCES_HBASE_HOME=/home/vinod/PredictionIO/vendors/hbase-1.2.2,PIO_HOME=/home/vinod/PredictionIO,PIO_FS_ENGINESDIR=/home/vinod/.pio_store/engines,PIO_STORAGE_SOURCES_LOCALFS_PATH=/home/vinod/.pio_store/models,PIO_STORAGE_SOURCES_ELASTICSEARCH_TYPE=elasticsearch,PIO_STORAGE_REPOSITORIES_METADATA_SOURCE=ELASTICSEARCH,PIO_STORAGE_REPOSITORIES_MODELDATA_SOURCE=LOCALFS,PIO_STORAGE_REPOSITORIES_EVENTDATA_NAME=pio_event,PIO_STORAGE_SOURCES_ELASTICSEARCH_HOME=/home/vinod/PredictionIO/vendors/elasticsearch-1.7.5,PIO_FS_TMPDIR=/home/vinod/.pio_store/tmp,PIO_STORAGE_REPOSITORIES_MODELDATA_NAME=pio_model,PIO_STORAGE_REPOSITORIES_EVENTDATA_SOURCE=HBASE,PIO_CONF_DIR=/home/vinod/PredictionIO/conf,PIO_STORAGE_SOURCES_LOCALFS_TYPE=localfsError:
Could not find or load main class org.apache.spark.launcher.Main*


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​kindly help me out from this probelm.
​

-- 
....vinod.....

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