From 3de46746ca651a37f3958ec09aad1f1f662f3b94 Mon Sep 17 00:00:00 2001
From: Kashif Faraz <kashif.faraz@gmail.com>
Date: Wed, 4 Dec 2024 23:28:47 -0800
Subject: [PATCH] Fix NPE in segment allocation when reduceMetadataIO is true
 (#17537)

---
 .../druid/metadata/IndexerSQLMetadataStorageCoordinator.java    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/main/java/org/apache/druid/metadata/IndexerSQLMetadataStorageCoordinator.java b/server/src/main/java/org/apache/druid/metadata/IndexerSQLMetadataStorageCoordinator.java
index e3a3ee04708..69d86ab80cf 100644
--- a/server/src/main/java/org/apache/druid/metadata/IndexerSQLMetadataStorageCoordinator.java
+++ b/server/src/main/java/org/apache/druid/metadata/IndexerSQLMetadataStorageCoordinator.java
@@ -2943,7 +2943,7 @@ public class IndexerSQLMetadataStorageCoordinator implements IndexerMetadataStor
           = versionIntervalToSmallestSegmentId.computeIfAbsent(segmentId.getVersion(), v -> new HashMap<>());
       final SegmentId value = map.get(segmentId.getInterval());
       if (value == null || value.getPartitionNum() > segmentId.getPartitionNum()) {
-        map.put(interval, segmentId);
+        map.put(segmentId.getInterval(), segmentId);
       }
     }