viirya commented on a change in pull request #31839:
URL: https://github.com/apache/spark/pull/31839#discussion_r594868894



##########
File path: core/src/main/scala/org/apache/spark/ContextCleaner.scala
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@@ -276,6 +287,16 @@ private[spark] class ContextCleaner(
     }
   }
 
+  def doCleanSparkListener(listener: SparkListener): Unit = {
+    try {
+      logDebug(s"Cleaning Spark listener $listener")

Review comment:
       Does logging `$listener` show meaningful message? It is not like other 
cases like clean up RDD (rdd id), or clean up broadcast (broadcast id).




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