Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/6026#discussion_r29991777
--- Diff: yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala ---
@@ -515,7 +515,28 @@ private[spark] class Client(
logInfo("Setting up container launch context for our AM")
val appId = newAppResponse.getApplicationId
val appStagingDir = getAppStagingDir(appId)
- val localResources = prepareLocalResources(appStagingDir)
+ var localResources: Map[String, LocalResource] = null
+ try {
+ localResources = prepareLocalResources(appStagingDir)
+ } catch {
+ case e: Throwable =>
+ var stagingDirPath: Path = null
--- End diff --
I don't think this variable is needed? `appStagingDir` can be used
everywhere except where it needs to be wrapped for `FileSystem`. Can
`localResources` remain a `val` and receive the value of the `try` block?
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