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Posted to issues@spark.apache.org by "Herman van Hovell (JIRA)" <ji...@apache.org> on 2016/11/28 12:20:58 UTC
[jira] [Resolved] (SPARK-18118) SpecificSafeProjection.apply of
Java Object from Dataset to JavaRDD Grows Beyond 64 KB
[ https://issues.apache.org/jira/browse/SPARK-18118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Herman van Hovell resolved SPARK-18118.
---------------------------------------
Resolution: Fixed
Assignee: Kazuaki Ishizaki
Fix Version/s: 2.1.0
2.0.3
> SpecificSafeProjection.apply of Java Object from Dataset to JavaRDD Grows Beyond 64 KB
> --------------------------------------------------------------------------------------
>
> Key: SPARK-18118
> URL: https://issues.apache.org/jira/browse/SPARK-18118
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: Aleksander Eskilson
> Assignee: Kazuaki Ishizaki
> Fix For: 2.0.3, 2.1.0
>
>
> For sufficiently wide or nested Java Objects, when SpecificSafeProjection attempts to recreate the object from an InternalRow, the generated SpecificSafeProjection.apply method is larger than allowed:
> {code}
> Caused by: org.codehaus.janino.JaninoRuntimeException: Code of method "apply(Ljava/lang/Object;)Ljava/lang/Object;" of class "org.apache.spark.sql.catalyst.expressions.GeneratedClass$SpecificSafeProjection" grows beyond 64 KB
> {code}
> Although related, this issue appears not to have been resolved by SPARK-15285. Since there is only one top-level object when projecting, splitExpressions finds no additional Expressions to split. The result is a single large, nested Expression that forms the apply code.
> See the reproducer for an example [1].
> [1] - https://github.com/bdrillard/specific-safe-projection-error
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