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taiyangli pushed a commit to branch main
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The following commit(s) were added to refs/heads/main by this push:
     new ce45bc4642 [GLUTEN-7983][CH] Fix NPE when disable 
spark.shuffle.compress (#7984)
ce45bc4642 is described below

commit ce45bc4642c6cdc5782951b713a4aaabc0635a06
Author: exmy <[email protected]>
AuthorDate: Tue Nov 19 14:50:08 2024 +0800

    [GLUTEN-7983][CH] Fix NPE when disable spark.shuffle.compress (#7984)
---
 .../org/apache/spark/shuffle/CHCelebornColumnarShuffleWriter.scala     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git 
a/gluten-celeborn/clickhouse/src/main/scala/org/apache/spark/shuffle/CHCelebornColumnarShuffleWriter.scala
 
b/gluten-celeborn/clickhouse/src/main/scala/org/apache/spark/shuffle/CHCelebornColumnarShuffleWriter.scala
index 11c45264db..2263cda7ea 100644
--- 
a/gluten-celeborn/clickhouse/src/main/scala/org/apache/spark/shuffle/CHCelebornColumnarShuffleWriter.scala
+++ 
b/gluten-celeborn/clickhouse/src/main/scala/org/apache/spark/shuffle/CHCelebornColumnarShuffleWriter.scala
@@ -50,7 +50,8 @@ class CHCelebornColumnarShuffleWriter[K, V](
     writeMetrics) {
 
   private val capitalizedCompressionCodec =
-    customizedCompressionCodec.toUpperCase(Locale.ROOT)
+    if (customizedCompressionCodec != null) 
customizedCompressionCodec.toUpperCase(Locale.ROOT)
+    else "NONE"
 
   private val jniWrapper = new CHShuffleSplitterJniWrapper
 


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