Github user harsha2010 commented on a diff in the pull request: https://github.com/apache/spark/pull/8465#discussion_r38013026 --- Diff: core/src/main/scala/org/apache/spark/serializer/KryoSerializer.scala --- @@ -131,6 +132,35 @@ class KryoSerializer(conf: SparkConf) // our code override the generic serializers in Chill for things like Seq new AllScalaRegistrar().apply(kryo) + // Register types missed by Chill. + kryo.register(classOf[Array[Tuple1[Any]]]) --- End diff -- @rxin yes, there is a check for (Int, Int) in the KryoSuite and without registering Array[Tuple2[Any, Any]] that test fails.
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