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-rw-r--r--core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorter.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorter.java b/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorter.java
index 296bf722fc..9236bd2c04 100644
--- a/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorter.java
+++ b/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeExternalSorter.java
@@ -550,7 +550,7 @@ public final class UnsafeExternalSorter extends MemoryConsumer {
/**
* Chain multiple UnsafeSorterIterator together as single one.
*/
- class ChainedIterator extends UnsafeSorterIterator {
+ static class ChainedIterator extends UnsafeSorterIterator {
private final Queue<UnsafeSorterIterator> iterators;
private UnsafeSorterIterator current;