Github user taoli91 commented on a diff in the pull request: https://github.com/apache/spark/pull/12693#discussion_r61044982 --- Diff: core/src/main/scala/org/apache/spark/rdd/ReliableCheckpointRDD.scala --- @@ -243,7 +243,16 @@ private[spark] object ReliableCheckpointRDD extends Logging { if (fs.exists(partitionerFilePath)) { val fileInputStream = fs.open(partitionerFilePath, bufferSize) val serializer = SparkEnv.get.serializer.newInstance() - val deserializeStream = serializer.deserializeStream(fileInputStream) + // make sure that the file is closed if error occurrs during deserialization + val deserializeStream = --- End diff -- The `deserializeStream` will be closed. We only need this when the `deserializeStream` method throws exception and we have no chance to go to the line 258, in which the `deserializeStream` will be closed, with the inner `fileInputStream`.
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