dongjoon-hyun commented on code in PR #47509:
URL: https://github.com/apache/spark/pull/47509#discussion_r1693782472
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core/src/main/scala/org/apache/spark/deploy/rest/StandaloneRestServer.scala:
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@@ -174,6 +174,13 @@ private[rest] class StandaloneSubmitRequestServlet(
conf: SparkConf)
extends SubmitRequestServlet {
+ val envVariablePattern = "\\{\\{[A-Z_]+\\}\\}".r
Review Comment:
Oh, right. Now, it's no op. Let me clean up it.
I used it for Scala 2.12 patch.
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