Github user vanzin commented on a diff in the pull request: https://github.com/apache/spark/pull/22598#discussion_r228665965 --- Diff: core/src/main/scala/org/apache/spark/deploy/security/HadoopDelegationTokenManager.scala --- @@ -66,7 +66,8 @@ private[spark] class HadoopDelegationTokenManager( private def getDelegationTokenProviders: Map[String, HadoopDelegationTokenProvider] = { val providers = Seq(new HadoopFSDelegationTokenProvider(fileSystems)) ++ safeCreateProvider(new HiveDelegationTokenProvider) ++ - safeCreateProvider(new HBaseDelegationTokenProvider) + safeCreateProvider(new HBaseDelegationTokenProvider) ++ + safeCreateProvider(new KafkaDelegationTokenProvider) --- End diff -- It shouldn't be disabled by default. I think it's better to just remove the list of provides from the scaladoc. That's not really helpful in any case.
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