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From Marius Soutier <>
Subject spark.kryo.registrationRequired: Tuple2 is not registered
Date Wed, 09 Sep 2015 16:00:22 GMT
Hi all,

as indicated in the title, I’m using Kryo with a custom Kryo serializer, but as soon as
I enable `spark.kryo.registrationRequired`, my Spark Streaming job fails to start with this

Class is not registered: scala.collection.immutable.Range

When I register it, it continues with Tuple2, which I cannot serialize sanely for all specialized
forms. According to the documentation, this should be handled by Chill. Is this a bug or what
am I missing?

I’m using Spark 1.4.1.

- Marius

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