leesf created SPARK-51910:
-----------------------------
Summary: Optimize CodeGenerator#updateAndGetCompilationStats when
enable spark.driver.userClassPathFirst
Key: SPARK-51910
URL: https://issues.apache.org/jira/browse/SPARK-51910
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.5.5
Environment: spark 3.5.1
Reporter: leesf
Fix For: 4.0.0
when enable spark.driver.userClassPathFirst, and user jar contains janino
dependency(the version is same as spark janino version), there will be warn log
below
```
java.lang.UnsupportedOperationException: empty.max
at scala.collection.TraversableOnce.max(TraversableOnce.scala:275)
at scala.collection.TraversableOnce.max$(TraversableOnce.scala:273)
at scala.collection.AbstractTraversable.max(Traversable.scala:108)
at
org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$.$anonfun$updateAndGetCompilationStats$1(CodeGenerator.scala:1556)
at scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:286)
at scala.collection.Iterator.foreach(Iterator.scala:943)
at scala.collection.Iterator.foreach$(Iterator.scala:943)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1431)
at scala.collection.IterableLike.foreach(IterableLike.scala:74)
at scala.collection.IterableLike.foreach$(IterableLike.scala:73)
at scala.collection.AbstractIterable.foreach(Iterable.scala:56)
at scala.collection.TraversableLike.map(TraversableLike.scala:286)
at scala.collection.TraversableLike.map$(TraversableLike.scala:279)
at scala.collection.AbstractTraversable.map(Traversable.scala:108)
at
org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$.updateAndGetCompilationStats(CodeGenerator.scala:1537)
at
org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$.doCompile(CodeGenerator.scala:1498)
at
org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$.$anonfun$cache$1(CodeGenerator.scala:1589)
at
org.apache.spark.util.NonFateSharingCache$$anon$1.load(NonFateSharingCache.scala:68)
at
org.sparkproject.guava.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3599)
at
org.sparkproject.guava.cache.LocalCache$Segment.loadSync(LocalCache.java:2379)
at
org.sparkproject.guava.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2342)
at org.sparkproject.guava.cache.LocalCache$Segment.get(LocalCache.java:2257)
at org.sparkproject.guava.cache.LocalCache.get(LocalCache.java:4000)
at org.sparkproject.guava.cache.LocalCache.getOrLoad(LocalCache.java:4004)
at
org.sparkproject.guava.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4874)
at
org.apache.spark.util.NonFateSharingLoadingCache.$anonfun$get$2(NonFateSharingCache.scala:94)
at org.apache.spark.util.KeyLock.withLock(KeyLock.scala:64)
at
org.apache.spark.util.NonFateSharingLoadingCache.get(NonFateSharingCache.scala:94)
at
org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$.compile(CodeGenerator.scala:1444)
at
org.apache.spark.sql.execution.WholeStageCodegenEvaluatorFactory$WholeStageCodegenPartitionEvaluator.eval(WholeStageCodegenEvaluatorFactory.scala:38)
at
org.apache.spark.sql.execution.WholeStageCodegenExec.$anonfun$doExecute$4(WholeStageCodegenExec.scala:761)
at
org.apache.spark.sql.execution.WholeStageCodegenExec.$anonfun$doExecute$4$adapted(WholeStageCodegenExec.scala:759)
at org.apache.spark.rdd.RDD.$anonfun$mapPartitionsWithIndex$2(RDD.scala:910)
at
org.apache.spark.rdd.RDD.$anonfun$mapPartitionsWithIndex$2$adapted(RDD.scala:910)
at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:367)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:331)
at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:367)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:331)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:93)
at org.apache.spark.TaskContext.runTaskWithListeners(TaskContext.scala:166)
at org.apache.spark.scheduler.Task.run(Task.scala:141)
at
org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$4(Executor.scala:620)
at
org.apache.spark.util.SparkErrorUtils.tryWithSafeFinally(SparkErrorUtils.scala:64)
at
org.apache.spark.util.SparkErrorUtils.tryWithSafeFinally$(SparkErrorUtils.scala:61)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:94)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:623)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Wor
```
reason:
```
method.getAttributes().filter(_.getClass eq codeAttr).map { a =>
```
the AttributeInfo and codeAttr is loaded by different classloader, so
_.getClass eq codeAttr will return false.
However, we could compare class name and then cast for CodeAttribute type.
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