Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/22995#discussion_r236394496
--- Diff:
core/src/main/scala/org/apache/spark/broadcast/TorrentBroadcast.scala ---
@@ -93,7 +96,14 @@ private[spark] class TorrentBroadcast[T: ClassTag](obj:
T, id: Long)
private var checksums: Array[Int] = _
override protected def getValue() = {
- _value
+ val memoized: T = if (_value == null) null.asInstanceOf[T] else
_value.get
--- End diff --
Hm, weird, I thought it would work based on a little local example, but
yeah leave the cast in of course.
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