fengchaoge created SPARK-21337:
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             Summary: 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


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!attachment-name.jpg|thumbnail!



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