Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/4848#discussion_r25671346
--- Diff: core/src/main/scala/org/apache/spark/deploy/master/Master.scala
---
@@ -774,7 +778,7 @@ private[spark] class Master(
case fnf: FileNotFoundException =>
// Event logging is enabled for this application, but no event
logs are found
val title = s"Application history not found (${app.id})"
- var msg = s"No event logs found for application $appName in
${app.desc.eventLogDir}."
+ var msg = s"No event logs found for application $appName in
${app.desc.eventLogDir.get}."
--- End diff --
the `.get` is a minor unrelated change, right?
I think this looks good in that it changes a situation where Spark does
nothing and just shows an error, into one where it shows something, which may
be needed for debugging.
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