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https://issues.apache.org/jira/browse/SPARK-19741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15891348#comment-15891348
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Sean Owen commented on SPARK-19741:
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Duplicate of SPARK-17368 ?
> ClassCastException when using Dataset with type containing value types
> ----------------------------------------------------------------------
>
> Key: SPARK-19741
> URL: https://issues.apache.org/jira/browse/SPARK-19741
> Project: Spark
> Issue Type: Bug
> Components: Spark Core, SQL
> Affects Versions: 2.1.0
> Environment: JDK 8 on Ubuntu
> Scala 2.11.8
> Spark 2.1.0
> Reporter: Lior Regev
>
> The following code reproduces the error
> {code}
> final case class Foo(id: Int) extends AnyVal
> final case class Bar(foo: Foo)
> val foo = Foo(5)
> val bar = Bar(foo)
> import spark.implicits._
> spark.sparkContext.parallelize(0 to 10).toDS().map(_ => bar).collect()
> {code}
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