[GitHub] [spark] cloud-fan commented on a change in pull request #31569: [SPARK-34443][CORE] Replace symbol literals with Symbol constructor invocations to comply with Scala 2.13

[GitBox <gi...@apache.org>]

cloud-fan commented on a change in pull request #31569:
URL: https://github.com/apache/spark/pull/31569#discussion_r578214121



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File path: core/src/test/scala/org/apache/spark/metrics/sink/PrometheusServletSuite.scala
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@@ -63,7 +63,7 @@ class PrometheusServletSuite extends SparkFunSuite with PrivateMethodTester {
     val key = "local-1592132938718.driver.LiveListenerBus." +
       "listenerProcessingTime.org.apache.spark.HeartbeatReceiver"
     val sink = createPrometheusServlet()
-    val suffix = sink invokePrivate PrivateMethod[String]('normalizeKey)(key)
+    val suffix = sink invokePrivate PrivateMethod[String](Symbol("normalizeKey"))(key)

Review comment:
       will this be broken again if Scala removes symbol completely?




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