Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/4799#discussion_r25573606
--- Diff: core/src/main/scala/org/apache/spark/executor/Executor.scala ---
@@ -92,6 +92,16 @@ private[spark] class Executor(
private val executorActor = env.actorSystem.actorOf(
Props(new ExecutorActor(executorId)), "ExecutorActor")
+ // Whether to load classes in user jars before those in Spark jars
+ private val userClassPathFirst: Boolean = {
+ val oldKey = "spark.files.userClassPathFirst"
+ val newKey = "spark.executor.userClassPathFirst"
+ if (conf.contains(oldKey)) {
+ logWarning(s"$oldKey is deprecated. Please use $newKey instead.")
--- End diff --
This will log it on the executors, which seems weird since all other
configuration warnings are logged at the driver or submission client. Can we
just log this warning on the driver side? Or just don't log a deprecation
warning always?
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