scala - Using keytab file in spark standalone program -


i trying access file hdfs in standalone scala program using apache-spark. following error upon execution.

simple authentication not enabled.  available:[token,kerberos]

i found this question explains need create keytab file , make standalone program use . have generated keytab file . tell me how can use program.

any appreciated.

ps - using hadoop 2.3.0 , spark 0.9.0

update : how core-site.xml looks :

<?xml version="1.0" encoding="utf-8"?>  <!--autogenerated cloudera manager--> <configuration>   <property>     <name>fs.defaultfs</name>     <value>hdfs://ushadoop</value>   </property>   <property>     <name>fs.trash.interval</name>     <value>1</value>   </property>   <property>     <name>io.compression.codecs</name>     <value>org.apache.hadoop.io.compress.defaultcodec,org.apache.hadoop.io.compress.gzipcodec,org.apache.hadoop.io.compress.bzip2codec,org.apache.hadoop.io.compress.deflatecodec,org.apache.hadoop.io.compress.snappycodec,org.apache.hadoop.io.compress.lz4codec</value>   </property>   <property>     <name>hadoop.security.authentication</name>     <value>kerberos</value>   </property>   <property>     <name>hadoop.rpc.protection</name>     <value>authentication</value>   </property>   <property>     <name>hadoop.security.auth_to_local</name>     <value>default</value>   </property> </configuration>


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