Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/8880#discussion_r41587282
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala ---
@@ -608,6 +612,18 @@ private[spark] class ApplicationMaster(
}
}
+ /** set "SPARK_SHUFFLE_TOKEN" before registerAM
+ * @return
+ */
+ private def initJobCredentialsAndUGI() = {
--- End diff --
I mentioned this before but I don't believe this should be necessary.
`Client` always runs before this and should be propagating the credentials to
the AM. In fact, if somehow the secret generated by `Client` is not showing up
here, you could have weird things happening in client mode, since the driver
and the AM will have different secrets.
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