(_ + _)
java.io.IOException: Can't get Master Kerberos principal for use as renewer
at
org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:116)
at
org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:100
, free 294.3 MB)
file: org.apache.spark.rdd.RDD[String] = MappedRDD[1] at textFile at
console:12
scala val counts = file.flatMap(line = line.split( )).map(word =
(word, 1)).reduceByKey(_ + _)
java.io.IOException: Can't get Master Kerberos principal for use as renewer
: Can't get Master Kerberos principal for use as renewer
at
org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:116)
at
org.apache.hadoop.mapreduce.security.TokenCache.obtainTokensForNamenodesInternal(TokenCache.java:100