Github user zsxwing commented on a diff in the pull request: https://github.com/apache/spark/pull/16380#discussion_r93570841 --- Diff: core/src/main/scala/org/apache/spark/storage/ShuffleBlockFetcherIterator.scala --- @@ -315,6 +315,10 @@ final class ShuffleBlockFetcherIterator( * Throws a FetchFailedException if the next block could not be fetched. */ override def next(): (BlockId, InputStream) = { + if (!hasNext) { + throw new NoSuchElementException + } + --- End diff -- cc @JoshRosen FYI, I have done the change we discussed here.
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