Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/17335#discussion_r106828435
--- Diff: core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala
---
@@ -353,6 +354,25 @@ class SparkHadoopUtil extends Logging {
}
buffer.toString
}
+
+ /**
+ * Run some code as the real logged in user (which may differ from the
current user, for
+ * example, when using proxying).
+ */
+ private[spark] def doAsRealUser[T](fn: => T): T = {
+ val currentUser = UserGroupInformation.getCurrentUser()
--- End diff --
I see. Let me take a try. But I'm guessing this is the only place where the
issue can be handled from Spark side.
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