Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/6918#discussion_r32969205
--- Diff:
core/src/main/java/org/apache/spark/shuffle/unsafe/UnsafeShuffleWriter.java ---
@@ -147,8 +150,16 @@ public void
write(scala.collection.Iterator<Product2<K, V>> records) throws IOEx
closeAndWriteOutput();
success = true;
} finally {
- if (!success) {
- sorter.cleanupAfterError();
+ if (sorter != null) {
+ try {
+ sorter.cleanupAfterError();
+ } catch (Exception e) {
+ // Only throw this error if we won't be masking another
+ // error.
+ if (success) {
+ throw e;
+ }
--- End diff --
Shouldn't we log in the `else` branch to make sure that the error is never
silently swallowed?
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