Github user gaborgsomogyi commented on a diff in the pull request: https://github.com/apache/spark/pull/20652#discussion_r169797492 --- Diff: core/src/main/scala/org/apache/spark/SecurityManager.scala --- @@ -529,7 +529,8 @@ private[spark] class SecurityManager( return } - if (sparkConf.get(SparkLauncher.SPARK_MASTER, null) != "yarn") { + val master = sparkConf.get(SparkLauncher.SPARK_MASTER, "") --- End diff -- Nice catch! I've enhanced the test and fixed the issue.
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