Github user markhamstra commented on a diff in the pull request: https://github.com/apache/spark/pull/1360#discussion_r17255465 --- Diff: core/src/main/scala/org/apache/spark/deploy/master/Master.scala --- @@ -295,28 +295,34 @@ private[spark] class Master( val execOption = idToApp.get(appId).flatMap(app => app.executors.get(execId)) execOption match { case Some(exec) => { + val appInfo = idToApp(appId) --- End diff -- That's not necessary. If `idToApp` does not contain `appId`, then `execOption` will be `None` and we'll never end up in this `case Some(exec)`.
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