msokolov commented on code in PR #14607:
URL: https://github.com/apache/lucene/pull/14607#discussion_r2473924719


##########
lucene/core/src/java/org/apache/lucene/index/SegmentInfos.java:
##########
@@ -402,11 +389,38 @@ private static void parseSegmentInfos(
     }
 
     long totalDocs = 0;
+
     for (int seg = 0; seg < numSegments; seg++) {
       String segName = input.readString();
       byte[] segmentID = new byte[StringHelper.ID_LENGTH];
       input.readBytes(segmentID, 0, segmentID.length);
-      Codec codec = readCodec(input);
+      Codec codec = null;
+      try {
+        codec = readCodec(input);

Review Comment:
   I guess with your change we can still read indexes that were originally 
created with 8x and 9x (which would not have been possible before) as long as 
their segments have been rewritten by 10x or 11x, but if the index was created 
by 7x or earlier we would not. 



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