diff --git a/core/src/main/scala/org/apache/spark/ui/UIUtils.scala b/core/src/main/scala/org/apache/spark/ui/UIUtils.scala index 315327c3c6b7c..d970fa30c1c35 100644 --- a/core/src/main/scala/org/apache/spark/ui/UIUtils.scala +++ b/core/src/main/scala/org/apache/spark/ui/UIUtils.scala @@ -181,7 +181,9 @@ private[spark] object UIUtils extends Logging { } val helpButton: Seq[Node] = helpText.map { helpText => - (?) + + (?) + }.getOrElse(Seq.empty)