Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/11603#discussion_r57477923
--- Diff: yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala ---
@@ -480,25 +495,16 @@ private[spark] class Client(
}
/**
- * Copy a few resources to the distributed cache if their scheme is
not "local".
+ * Copy user jar to the distributed cache if their scheme is not
"local".
* Otherwise, set the corresponding key in our SparkConf to handle it
downstream.
- * Each resource is represented by a 3-tuple of:
- * (1) destination resource name,
- * (2) local path to the resource,
- * (3) Spark property key to set if the scheme is not local
*/
- List(
- (APP_JAR_NAME, args.userJar, APP_JAR),
- ("log4j.properties", oldLog4jConf.orNull, null)
- ).foreach { case (destName, path, confKey) =>
- if (path != null && !path.trim().isEmpty()) {
- val (isLocal, localizedPath) = distribute(path, destName =
Some(destName))
- if (isLocal && confKey != null) {
- require(localizedPath != null, s"Path $path already
distributed.")
- // If the resource is intended for local use only, handle this
downstream
- // by setting the appropriate property
- sparkConf.set(confKey, localizedPath)
- }
+ for (jar <- Option(args.userJar); if !jar.trim.isEmpty) {
--- End diff --
minor: I slightly prefer
`Option(args.userJar).filter(_.trim().nonEmpty()).foreach { jar =>`
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