ConeyLiu commented on code in PR #3136:
URL: https://github.com/apache/parquet-java/pull/3136#discussion_r1928349167


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parquet-hadoop/src/main/java/org/apache/parquet/hadoop/ParquetFileReader.java:
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@@ -589,7 +589,12 @@ private static final ParquetMetadata readFooter(
     long fileMetadataLengthIndex = fileLen - magic.length - FOOTER_LENGTH_SIZE;
     LOG.debug("reading footer index at {}", fileMetadataLengthIndex);
     f.seek(fileMetadataLengthIndex);
-    int fileMetadataLength = readIntLittleEndian(f);
+    long readFileMetadataLength = readIntLittleEndian(f) & 0xFFFFFFFFL;

Review Comment:
   read as a unsigned int



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