Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/19272#discussion_r150049758
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
---
@@ -236,7 +234,7 @@ class CoarseGrainedSchedulerBackend(scheduler:
TaskSchedulerImpl, val rpcEnv: Rp
val reply = SparkAppConfig(
sparkProperties,
SparkEnv.get.securityManager.getIOEncryptionKey(),
- hadoopDelegationCreds)
+ hadoopDelegationTokens.apply())
--- End diff --
Can't you just call `fetchHadoopDelegationTokens()` directly?
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