Github user jerryshao commented on a diff in the pull request:
https://github.com/apache/spark/pull/20119#discussion_r159370876
--- Diff:
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/OneForOneBlockFetcher.java
---
@@ -165,7 +165,7 @@ private void failRemainingBlocks(String[]
failedBlockIds, Throwable e) {
DownloadCallback(int chunkIndex) throws IOException {
this.targetFile = tempFileManager.createTempFile();
- this.channel =
Channels.newChannel(Files.newOutputStream(targetFile.toPath()));
+ this.channel = Channels.newChannel(new FileOutputStream(targetFile));
--- End diff --
Here I think we can use `FileChannel.open` instead.
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