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https://issues.apache.org/jira/browse/SPARK-20284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15964463#comment-15964463
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Sergei Lebedev commented on SPARK-20284:
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Yes, Scala is a bad citizen in the JVM land and comes w/o any support for
try-with-resources. IIUC scala-arm would manage just fine without Closeable
because it uses structural types. However, I think there is no reason not to
implement Closeable/AutoCloseable even if Spark/Scala code does not need this.
> Make SerializationStream and DeserializationStream extend Closeable
> -------------------------------------------------------------------
>
> Key: SPARK-20284
> URL: https://issues.apache.org/jira/browse/SPARK-20284
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 1.6.3, 2.1.0
> Reporter: Sergei Lebedev
> Priority: Trivial
>
> Both {{SerializationStream}} and {{DeserializationStream}} implement
> {{close}} but do not extend {{Closeable}}. As a result, these streams cannot
> be used in try-with-resources.
> Was this intentional or rather nobody ever needed that?
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