Github user abellina commented on a diff in the pull request: https://github.com/apache/spark/pull/18253#discussion_r129659027 --- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala --- @@ -2379,8 +2382,13 @@ class SparkContext(config: SparkConf) extends Logging { " parameter from breaking Spark's ability to find a valid constructor.") } } - listenerBus.addListener(listener) - logInfo(s"Registered listener $className") + logInfo(s"listener $className created") + listener + } + if (extraListeners.nonEmpty) { + val group = new FixGroupOfListener(extraListeners, "extraListeners") --- End diff -- @vanzin are you suggesting making this a call to addProcessor? Or, and addListener override? Just trying to understand the code at this stage.
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