Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/18616#discussion_r127295807
--- Diff:
core/src/main/scala/org/apache/spark/deploy/security/HadoopDelegationTokenManager.scala
---
@@ -42,7 +42,7 @@ import org.apache.spark.internal.Logging
private[spark] class HadoopDelegationTokenManager(
sparkConf: SparkConf,
hadoopConf: Configuration,
- fileSystems: Set[FileSystem])
+ fileSystems: () => Set[FileSystem])
--- End diff --
Can you explain better what these changes are for? You only mention there
is an issue, but don't really explain why it's an issue.
"FileSystem is gotten before kerberos logged", for all I understand,
shouldn't be an issue, because the code should have valid tokens distributed by
YARN when the container was started.
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