gokaai commented on code in PR #12872:
URL: https://github.com/apache/lucene/pull/12872#discussion_r1440324120


##########
lucene/core/src/java/org/apache/lucene/index/SegmentInfos.java:
##########
@@ -389,13 +389,26 @@ private static void parseSegmentInfos(
     }
 
     long totalDocs = 0;
+    SegmentInfo info;
     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);
-      SegmentInfo info =
-          codec.segmentInfoFormat().read(directory, segName, segmentID, 
IOContext.READ);
+      try {
+        info = codec.segmentInfoFormat().read(directory, segName, segmentID, 
IOContext.READ);
+      } catch (Throwable t) {
+        if (infoStream != null) {
+          message(t.getMessage());
+        }
+        if (t instanceof NoSuchFileException || t instanceof 
FileNotFoundException) {
+          throw new CorruptSegmentInfoException(
+              "segment info file: " + segName + ".si cannot be read - it may 
be missing or corrupt",
+              input);
+        } else {
+          throw t;

Review Comment:
   I tried catching all Throwable t here but it causes 
`TestIndexWrtier#testThreadInterruptDeadlock` to fail as it doesn't throw 
`ThreadInterruptExceptions` 



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