Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/3574#discussion_r21418614
--- Diff: core/src/main/scala/org/apache/spark/storage/BlockManager.scala
---
@@ -1010,9 +1010,9 @@ private[spark] class BlockManager(
info.synchronized {
// required ? As of now, this will be invoked only for blocks
which are ready
// But in case this changes in future, adding for consistency sake.
- if (!info.waitForReady()) {
+ if (blockInfo.get(blockId).isEmpty || !info.waitForReady()) {
--- End diff --
It might be nice to split this into an `if` and `else if` case so that we
can log specific / accurate error messages in each of the cases.
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