Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/12433#discussion_r60180666
--- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
---
@@ -260,7 +260,12 @@ private[spark] class BlockManager(
def waitForAsyncReregister(): Unit = {
val task = asyncReregisterTask
if (task != null) {
- Await.ready(task, Duration.Inf)
+ try {
+ Await.ready(task, Duration.Inf)
--- End diff --
According to the Scaladoc (and actual usages), it looks like this
particular `waitForAsyncReregister` method is only used in test code and I'm
guessing that it's probably called from within an interrupt-based timeout block.
As for the other usages, we'd have to consider them on a case-by-case basis.
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