Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/1218#discussion_r15482905
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/SparkDeploySchedulerBackend.scala
---
@@ -63,6 +67,8 @@ private[spark] class SparkDeploySchedulerBackend(
client = new AppClient(sc.env.actorSystem, masters, appDesc, this,
conf)
client.start()
+
+ waitForRegistration()
--- End diff --
Is the purpose of this such that we will never post the application start
event before we have registered the app (or found out that registration was
unsuccessful)?
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