Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/4848#discussion_r25583270
--- Diff: core/src/main/scala/org/apache/spark/deploy/master/Master.scala
---
@@ -736,30 +736,31 @@ private[spark] class Master(
val appName = app.desc.name
val notFoundBasePath = HistoryServer.UI_PATH_PREFIX + "/not-found"
try {
- val eventLogFile = app.desc.eventLogDir
- .map { dir => EventLoggingListener.getLogPath(dir, app.id) }
+ val eventLogDir = app.desc.eventLogDir
.getOrElse {
// Event logging is not enabled for this application
app.desc.appUiUrl = notFoundBasePath
return false
}
-
- val fs = Utils.getHadoopFileSystem(eventLogFile, hadoopConf)
-
- if (fs.exists(new Path(eventLogFile +
EventLoggingListener.IN_PROGRESS))) {
+
+ val eventLogFilePrefix =
EventLoggingListener.getLogPath(eventLogDir, app.id)
+ val fs = Utils.getHadoopFileSystem(eventLogDir, hadoopConf)
+ val eventLogFileSuffix = if (fs.exists(new Path(eventLogFilePrefix +
+ EventLoggingListener.IN_PROGRESS))) {
// Event logging is enabled for this application, but the
application is still in progress
- val title = s"Application history not found (${app.id})"
- var msg = s"Application $appName is still in progress."
+ var msg = s"Application $appName is still in progress, it may be
terminated accidently."
logWarning(msg)
- msg = URLEncoder.encode(msg, "UTF-8")
- app.desc.appUiUrl = notFoundBasePath + s"?msg=$msg&title=$title"
- return false
- }
+ EventLoggingListener.IN_PROGRESS
+ } else ""
--- End diff --
This seems harder to understand than just perhaps recording the value of
`if (fs.exists(new Path(eventLogFilePrefix +
EventLoggingListener.IN_PROGRESS)))` in a `val`, using it above in the `if`,
and using it here to construct the file name.
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