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Jackie-Jiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/pinot.git


The following commit(s) were added to refs/heads/master by this push:
     new 54045fca3e5 Replace production `assert` with an explicit null/empty 
check in RealtimeSegmentDataManager (#19261)
54045fca3e5 is described below

commit 54045fca3e5e9449ba10092e013ab2b1badb6de1
Author: Deepak kumar <[email protected]>
AuthorDate: Tue Aug 18 11:22:47 2026 -0700

    Replace production `assert` with an explicit null/empty check in 
RealtimeSegmentDataManager (#19261)
---
 .../core/data/manager/realtime/RealtimeSegmentDataManager.java      | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git 
a/pinot-core/src/main/java/org/apache/pinot/core/data/manager/realtime/RealtimeSegmentDataManager.java
 
b/pinot-core/src/main/java/org/apache/pinot/core/data/manager/realtime/RealtimeSegmentDataManager.java
index c8df2d687f0..5beff4e116e 100644
--- 
a/pinot-core/src/main/java/org/apache/pinot/core/data/manager/realtime/RealtimeSegmentDataManager.java
+++ 
b/pinot-core/src/main/java/org/apache/pinot/core/data/manager/realtime/RealtimeSegmentDataManager.java
@@ -1257,7 +1257,11 @@ public class RealtimeSegmentDataManager extends 
SegmentDataManager {
       FileUtils.deleteQuietly(indexDir);
 
       File[] tempFiles = tempSegmentFolder.listFiles();
-      assert tempFiles != null;
+      if (tempFiles == null || tempFiles.length == 0) {
+        String errorMessage = "Temp segment folder is empty or unreadable: " + 
tempSegmentFolder;
+        reportSegmentBuildFailure(errorMessage, null);
+        throw new SegmentBuildFailureException(errorMessage);
+      }
       File tempIndexDir = tempFiles[0];
       try {
         FileUtils.moveDirectory(tempIndexDir, indexDir);


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