srowen commented on a change in pull request #34604:
URL: https://github.com/apache/spark/pull/34604#discussion_r753678616
##########
File path:
core/src/main/scala/org/apache/spark/deploy/security/HadoopFSDelegationTokenProvider.scala
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@@ -145,6 +145,12 @@ private[deploy] class HadoopFSDelegationTokenProvider
interval
}.toOption
}
+ // cancel the temporary delegation tokens to avoid leakage
+ creds.getAllTokens.asScala.foreach {
+ case id: AbstractDelegationTokenIdentifier => id.cancel(hadoopConf)
Review comment:
Agree, can you make this change @jojochuang ?
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