Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/1218#discussion_r15548707
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/SimrSchedulerBackend.scala
---
@@ -66,4 +66,6 @@ private[spark] class SimrSchedulerBackend(
fs.delete(new Path(driverFilePath), false)
super.stop()
}
+
+ override def applicationId(): Option[String] = None
--- End diff --
I tried to explain in another comment, but just to reiterate: the goal here
is not to create an application id, but to expose the application ID defined by
the cluster manager. So `None` means the cluster manager hasn't provided an ID.
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