Github user kiszk commented on a diff in the pull request:
https://github.com/apache/spark/pull/22399#discussion_r216962519
--- Diff: core/src/test/java/test/org/apache/spark/JavaAPISuite.java ---
@@ -1018,10 +1018,10 @@ public void binaryFilesCaching() throws Exception {
FileOutputStream fos1 = new FileOutputStream(file1);
- FileChannel channel1 = fos1.getChannel();
- ByteBuffer bbuf = ByteBuffer.wrap(content1);
- channel1.write(bbuf);
- channel1.close();
+ try(FileChannel channel1 = fos1.getChannel()) {
--- End diff --
ditto
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