Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/6166#discussion_r30455916
--- Diff:
yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterSchedulerBackend.scala
---
@@ -53,4 +62,61 @@ private[spark] class YarnClusterSchedulerBackend(
logError("Application attempt ID is not set.")
super.applicationAttemptId
}
+
+ override def getDriverLogUrls: Option[Map[String, String]] = {
+ var yarnClientOpt: Option[YarnClient] = None
+ var driverLogs: Option[Map[String, String]] = None
+ val appId: String = applicationId()
+ if (appId == null) {
--- End diff --
This will never be `null` (see `SchedulerBackend.scala`). If you want to do
this check you'd have to explicitly check the value in `sc.getConf`.
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