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https://issues.apache.org/jira/browse/SPARK-21337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16079776#comment-16079776
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Hyukjin Kwon commented on SPARK-21337:
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No, just copying and pasting the SQL without a further investigation does not
help. Also, I can't reproduce this by the steps you gave in the master.
In such case, I believe it should be narrowed down. It sounds virtually asking
investigation rather than describing an issue.
> SQL which has large ‘case when’ expressions may cause code generation beyond
> 64KB
> ---------------------------------------------------------------------------------
>
> Key: SPARK-21337
> URL: https://issues.apache.org/jira/browse/SPARK-21337
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.1
> Environment: spark-2.1.1-hadoop-2.6.0-cdh-5.4.2
> Reporter: fengchaoge
> Fix For: 2.1.1
>
> Attachments: test1.JPG, test.JPG
>
>
> when there are large 'case when ' expressions in spark sql,the CodeGenerator
> failed to compile it.
> Error message is followed by a huge dump of generated source code,at last
> failed.
> java.util.concurrent.ExecutionException: java.lang.Exception: failed to
> compile: org.codehaus.janino.JaninoRuntimeException: Code of method
> "apply_9$(Lorg/apache/spark/sql/catalyst/expressions/GeneratedClass$SpecificUnsafeProjection;Lorg/apache/spark/sql/catalyst/InternalRow;)V"
> of class
> "org.apache.spark.sql.catalyst.expressions.GeneratedClass$SpecificUnsafeProjection"
> grows beyond 64 KB.
> It seems that SPARK-13242 has solved this problem in spark-1.6.2,however it
> apparence in spark-2.1.1 again.
> https://issues.apache.org/jira/browse/SPARK-13242.
> is there something wrong ?
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