cloud-fan commented on code in PR #35799:
URL: https://github.com/apache/spark/pull/35799#discussion_r2487509416
##########
streaming/src/main/scala/org/apache/spark/streaming/StreamingContext.scala:
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@@ -622,6 +621,27 @@ class StreamingContext private[streaming] (
}
}
+ /**
+ * Registers streaming listeners specified in spark.streaming.extraListeners.
+ */
+ private def registerExtraStreamingListener(): Unit = {
+ try {
+ conf.get(STREAMING_EXTRA_LISTENERS).foreach { classNames =>
+ val listeners = Utils.loadExtensions(classOf[StreamingListener],
classNames, conf)
+ listeners.foreach { listener =>
+ addStreamingListener(listener)
+ logInfo(s"Registered streaming listener
${listener.getClass().getName()}")
+ }
+ }
+ } catch {
+ case e: Exception =>
+ try {
+ stop()
Review Comment:
is it also how to handle normal spark listeners? We fail the entire Spark
application if any listener fails to be registered?
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