Github user mridulm commented on a diff in the pull request:
https://github.com/apache/spark/pull/20399#discussion_r164212154
--- Diff:
core/src/main/scala/org/apache/spark/deploy/security/HadoopDelegationTokenManager.scala
---
@@ -75,6 +75,17 @@ private[spark] class HadoopDelegationTokenManager(
.toMap
}
+ private def safeCreateProvider(
+ createFn: => HadoopDelegationTokenProvider):
Option[HadoopDelegationTokenProvider] = {
+ try {
+ Some(createFn)
+ } catch {
+ case t: Throwable =>
+ logDebug(s"Failed to load built in provider.", t)
--- End diff --
info probable - it is actually ok for this to fail if provider is not
relevant (and in classpath).
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