[GitHub] [spark] Ngone51 commented on a change in pull request #32033: [SPARK-34939][CORE] Throw fetch failure exception when unable to deserialize broadcasted map statuses

[GitBox <gi...@apache.org>]

Ngone51 commented on a change in pull request #32033:
URL: https://github.com/apache/spark/pull/32033#discussion_r606133973



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File path: core/src/main/scala/org/apache/spark/shuffle/FetchFailedException.scala
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@@ -68,5 +68,6 @@ private[spark] class FetchFailedException(
 private[spark] class MetadataFetchFailedException(
     shuffleId: Int,
     reduceId: Int,
-    message: String)
-  extends FetchFailedException(null, shuffleId, -1L, -1, reduceId, message)
+    message: String,
+    cause: Throwable = null)

Review comment:
       I don't see `cause` is used anywhere. Shall we covert the `cause` to stack string and append to the `message`?




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