[GitHub] [spark] bogao007 commented on a diff in pull request #41752: [SPARK-44201][CONNECT][SS]Add support for Streaming Listener in Scala for Spark Connect

["bogao007 (via GitHub)" <gi...@apache.org>]

bogao007 commented on code in PR #41752:
URL: https://github.com/apache/spark/pull/41752#discussion_r1243042222


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sql/core/src/main/scala/org/apache/spark/sql/streaming/StreamingQueryListener.scala:
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@@ -34,7 +34,7 @@ import org.apache.spark.scheduler.SparkListenerEvent
  * @since 2.0.0
  */
 @Evolving
-abstract class StreamingQueryListener {
+abstract class StreamingQueryListener extends Serializable {

Review Comment:
   Serializing the entire class requires to update the `StreamingQueryListener` on server side to extend `Serializable `



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