[GitHub] [spark] jiangxb1987 commented on a change in pull request #27604: [SPARK-30849][CORE][SHUFFLE]Fix application failed due to failed to get MapStatuses broadcast block

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jiangxb1987 commented on a change in pull request #27604: [SPARK-30849][CORE][SHUFFLE]Fix application failed due to failed to get MapStatuses broadcast block
URL: https://github.com/apache/spark/pull/27604#discussion_r393856539
 
 

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 File path: core/src/main/scala/org/apache/spark/broadcast/TorrentBroadcast.scala
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 @@ -186,7 +186,7 @@ private[spark] class TorrentBroadcast[T: ClassTag](obj: T, id: Long)
               }
               blocks(pid) = new ByteBufferBlockData(b, true)
             case None =>
-              throw new SparkException(s"Failed to get $pieceId of $broadcastId")
+              throw new BlockNotFoundException(pieceId.toString)
 
 Review comment:
   Is it still possible to include the `broadcastId` in the error msg? I feel it's still important information to help debuggability.

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