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[SPARK-4105][CORE] regenerate the shuffle file when it is corrupted #12700

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[SPARK-4105][CORE] regenerate the shuffle file when it is corrupted #12700

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6bba37c
Merge pull request #1 from apache/master
pzzs Dec 8, 2015
1604d25
Merge pull request #2 from apache/master
pzzs Apr 21, 2016
6ad2453
try catch unompress
pzzs Apr 21, 2016
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17 changes: 16 additions & 1 deletion core/src/main/scala/org/apache/spark/shuffle/BlockStoreShuffleReader.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,22 @@ private[spark] class BlockStoreShuffleReader[K, C](

// Wrap the streams for compression based on configuration
val wrappedStreams = blockFetcherItr.map { case (blockId, inputStream) =>
serializerManager.wrapForCompression(blockId, inputStream)
try {
serializerManager.wrapForCompression(blockId, inputStream)
} catch {
case e: IOException => {
if ((e.getMessage.contains("FAILED_TO_UNCOMPRESS(5)") ||
e.getMessage.contains("PARSING_ERROR(2)") ||
e.getMessage.contains("Stream is corrupted")) && blockId.isShuffle) {
val shuffleBlockId = blockId.asInstanceOf[ShuffleBlockId]
throw new FetchFailedException(
blockManager.blockManagerId, shuffleBlockId.shuffleId,
shuffleBlockId.mapId, shuffleBlockId.reduceId, e)
} else {
throw e
}
}
}
}

val serializerInstance = dep.serializer.newInstance()
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