Github user srowen commented on a diff in the pull request: https://github.com/apache/spark/pull/23065#discussion_r234393720 --- Diff: external/kafka-0-10-sql/src/test/scala/org/apache/spark/sql/kafka010/KafkaContinuousTest.scala --- @@ -56,7 +56,7 @@ trait KafkaContinuousTest extends KafkaSourceTest { } // Continuous processing tasks end asynchronously, so test that they actually end. - private val tasksEndedListener = new SparkListener() { + private class TasksEndedListener extends SparkListener { --- End diff -- Complains about existential types if you access a method in an anonymous inner class
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