MapReduce服务 MRS-执行复杂SQL语句时报“Code of method ... grows beyond 64 KB”的错误:问题

时间：2023-11-01 16:25:25

MapReduce服务 MRS

问题

当执行一个很复杂的SQL语句时，例如有多层语句嵌套，且单层语句中对字段有大量的逻辑处理（如多层嵌套的case when语句），此时执行该语句会报如下所示的错误日志，该错误表明某个方法的代码超出了64KB。

java.util.concurrent.ExecutionException: java.lang.Exception: failed to compile: org.codehaus.janino.JaninoRuntimeException: Code of method "(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

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