Issues

• Per-column Hadoop configuration cannot distinguish dotted and nested column paths

  apache/parquet-java#3832 · Filter by author costas-db opened on Sep 28, 2026

• Row-group copying collides for distinct column paths with the same dot string

  apache/parquet-java#3829 · Filter by author costas-db opened on Sep 28, 2026

• Dictionary lookup collides for distinct column paths with the same dot string

  apache/parquet-java#3828 · Filter by author costas-db opened on Sep 28, 2026

• Bloom filters collide for distinct column paths with the same dot string

  apache/parquet-java#3826 · Filter by author costas-db opened on Sep 28, 2026

• Binary statistics truncation test ignores its configured truncation length

  apache/parquet-java#3820 · Filter by author dhruv-15-03 opened on Sep 26, 2026

• Support content-defined chunking (CDC) in the Parquet writer

  apache/parquet-java#3817 · Filter by author kszucs opened on Sep 24, 2026

• Preserve physical leaf identity for duplicate primitive root paths

  apache/parquet-java#3795 · Filter by author ErikBPF opened on Sep 16, 2026

• Decouple parquet-hadoop module from hadoop-mapreduce-client-core

  Type: enhancement
  apache/parquet-java#3780 · Filter by author jerolba opened on Sep 6, 2026

• Bulk skip in RunLengthBitPackingHybridDecoder / DictionaryValuesReader

  Type: enhancement
  apache/parquet-java#3772 · Filter by author abstractdog opened on Sep 4, 2026

• Make PageReader AutoCloseable

  apache/parquet-java#3767 · Filter by author abstractdog opened on Sep 4, 2026

• parquet-protobuf: recursion truncation breaks repeated and map fields — ClassCastException in specs-compliant mode, file corruption in the old style

  apache/parquet-java#3751 · Filter by author puskarpeter opened on Aug 26, 2026

• Add batch/columnar write API for Arrow VectorSchemaRoot (Java parity with C++/Python)

  apache/parquet-java#3733 · Filter by author qzyu999 opened on Aug 20, 2026

• Vectored Parquet reads can fall back unsafely after partial asynchronous reads and exceed allocation limits

  apache/parquet-java#3719 · Filter by author sunchao opened on Aug 14, 2026

• [parquet-java] Intermittent out-of-bounds dictionary ID when reading dictionary-encoded Parquet pages

  Type: bug
  apache/parquet-java#3715 · Filter by author zhaoyudi-creator opened on Aug 10, 2026

• Page header uncompressed_page_size exceeds the actual decompressed payload by 2 bytes on ZSTD + dictionary-encoded ARRAY<ARRAY<BIGINT>> columns

  Type: bug
  apache/parquet-java#3712 · Filter by author weijietong opened on Aug 7, 2026
  6

• ParquetFileWriter.end() flushes an incomplete file to storage when finalizing fails

  Type: bug
  apache/parquet-java#3706 · Filter by author arg3t opened on Aug 4, 2026

• Reuse hadoop file status and footer in ParquetRecordReader

  Type: enhancement
  apache/parquet-java#3697 · Filter by author steveloughran opened on Jul 30, 2026

• Cache ParsedVersion in FileMetaData to eliminate redundant created_by parsing

  apache/parquet-java#3696 · Filter by author asif-moh opened on Jul 29, 2026

• Remove duplicate LICENSE and NOTICE files from benchmark JARs

  apache/parquet-java#3695 · Filter by author kevinjqliu opened on Jul 29, 2026
  1

• Libraries 1.17.1 fails vulnerability scans

  apache/parquet-java#3693 · Filter by author nicktsek opened on Jul 27, 2026

• Add .rat-excludes file

  apache/parquet-java#3691 · Filter by author kevinjqliu opened on Jul 26, 2026
  1

• Audit third-party code bundled in published JARs

  apache/parquet-java#3690 · Filter by author kevinjqliu opened on Jul 26, 2026
  3

• Ensure all published JARs contain correct LICENSE and NOTICE files

  apache/parquet-java#3687 · Filter by author kevinjqliu opened on Jul 26, 2026

• Isolate Avro usage in parquet-cli to commands that require Avro

  apache/parquet-java#3672 · Filter by author kevinjqliu opened on Jul 17, 2026
  1

• Add integration tests for all parquet-testing files

  apache/parquet-java#3670 · Filter by author kevinjqliu opened on Jul 17, 2026
  4