Github user squito commented on a diff in the pull request: https://github.com/apache/spark/pull/22071#discussion_r209633119 --- Diff: resource-managers/mesos/src/main/scala/org/apache/spark/deploy/mesos/MesosClusterDispatcher.scala --- @@ -51,6 +51,13 @@ private[mesos] class MesosClusterDispatcher( conf: SparkConf) extends Logging { + { + val authKey = SecurityManager.SPARK_AUTH_SECRET_CONF --- End diff -- I thought about this too, and originally wrote it that way ... but then I figured the way it works now, its really the same thing. If I put it in the MesosRestServer, it might seem like you could run the ClusterDispatcher without the RestServer somehow -- but maybe the exception itself is clear enough? anyway, don't feel particularly strongly either way.
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