Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/2676#discussion_r19773950
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -661,7 +662,10 @@ class SparkContext(config: SparkConf) extends Logging {
fClass: Class[F],
kClass: Class[K],
vClass: Class[V]): RDD[(K, V)] = {
- new NewHadoopRDD(this, fClass, kClass, vClass, conf)
+ // Add necessary security credentials to the JobConf. Required to
access secure HDFS.
+ val jconf = new JobConf(conf)
+ SparkHadoopUtil.get.addCredentials(jconf)
+ new NewHadoopRDD(this, fClass, kClass, vClass, jconf)
--- End diff --
In `hadoopFile` we actually mutate the existing conf. Should we modify this
one or that one to be more consistent? It does seem more sensible here to
duplicate it and then modify the copy.
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