Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/18616#discussion_r127293531
--- Diff:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala
---
@@ -90,6 +90,18 @@ private[spark] class ApplicationMaster(
@volatile private var reporterThread: Thread = _
@volatile private var allocator: YarnAllocator = _
+ private val userClassLoader = {
+ val classpath = Client.getUserClasspath(sparkConf)
+ val urls = classpath.map { entry =>
+ new URL("file:" + new File(entry.getPath()).getAbsolutePath())
+ }
+ if (Client.isUserClassPathFirst(sparkConf, isDriver = true)) {
--- End diff --
Now `spark.driver.userClassPathFirst` will apply to the client AM, is that
what you want? Shouldn't it be a separate option?
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