Github user ScrapCodes commented on a diff in the pull request:
https://github.com/apache/spark/pull/17357#discussion_r135699350
--- Diff:
core/src/main/scala/org/apache/spark/deploy/rest/StandaloneRestServer.scala ---
@@ -139,7 +139,9 @@ private[rest] class StandaloneSubmitRequestServlet(
val driverExtraLibraryPath =
sparkProperties.get("spark.driver.extraLibraryPath")
val superviseDriver = sparkProperties.get("spark.driver.supervise")
val appArgs = request.appArgs
- val environmentVariables = request.environmentVariables
+ // Filter SPARK_LOCAL_(IP|HOSTNAME) environment variables from being
set on the remote system.
+ val environmentVariables =
+ request.environmentVariables.filterNot(x =>
x._1.matches("SPARK_LOCAL_(IP|HOSTNAME"))
--- End diff --
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