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[SPARK-4010][Web UI]Spark UI returns 500 in yarn-client mode #2858

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[SPARK-4010][Web UI]Spark UI returns 500 in yarn-client mode #2858

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6 changes: 2 additions & 4 deletions core/src/main/scala/org/apache/spark/SparkContext.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -239,6 +239,8 @@ class SparkContext(config: SparkConf) extends Logging {
None
}

ui.foreach(_.bind())

/** A default Hadoop Configuration for the Hadoop code (e.g. file systems) that we reuse. */
val hadoopConfiguration = SparkHadoopUtil.get.newConfiguration(conf)

Expand Down Expand Up @@ -341,10 +343,6 @@ class SparkContext(config: SparkConf) extends Logging {
postEnvironmentUpdate()
postApplicationStart()

// Bind the SparkUI after starting the task scheduler
// because certain pages and listeners depend on it
ui.foreach(_.bind())

private[spark] var checkpointDir: Option[String] = None

// Thread Local variable that can be used by users to pass information down the stack
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2 changes: 1 addition & 1 deletion core/src/main/scala/org/apache/spark/ui/jobs/JobProgressPage.scala
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Expand Up @@ -29,7 +29,7 @@ private[ui] class JobProgressPage(parent: JobProgressTab) extends WebUIPage("")
private val live = parent.live
private val sc = parent.sc
private val listener = parent.listener
private lazy val isFairScheduler = parent.isFairScheduler
private def isFairScheduler = parent.isFairScheduler

def render(request: HttpServletRequest): Seq[Node] = {
listener.synchronized {
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