Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/1262#discussion_r14611888
--- Diff: core/src/main/scala/org/apache/spark/ui/jobs/StagePage.scala ---
@@ -34,8 +35,9 @@ private[ui] class StagePage(parent: JobProgressTab)
extends WebUIPage("stage") {
def render(request: HttpServletRequest): Seq[Node] = {
listener.synchronized {
val stageId = request.getParameter("id").toInt
+ val stageData = listener.stageUIData(stageId)
--- End diff --
should we do `get` here instead of `apply`? If the user attempts to look at
the stage page for an ID that does not exist this will throw up.
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