apache/flink · error · ParquetDecodingException

Could not read levels in page for col %s.

Error message

Could not read levels in page for col %s.

What it means

Error "Could not read levels in page for col %s." thrown in apache/flink.

Source

Thrown at flink-formats/flink-parquet/src/main/java/org/apache/flink/formats/parquet/vector/reader/NestedPrimitiveColumnReader.java:577

            initDataReader(
                    page.getDataEncoding(), page.getData().toInputStream(), page.getValueCount());
        } catch (IOException e) {
            throw new ParquetDecodingException(
                    String.format("Could not read page %s in col %s.", page, descriptor), e);
        }
    }

    private IntIterator newRLEIterator(int maxLevel, BytesInput bytes) {
        try {
            if (maxLevel == 0) {
                return new NullIntIterator();
            }
            return new RLEIntIterator(
                    new RunLengthBitPackingHybridDecoder(
                            BytesUtils.getWidthFromMaxInt(maxLevel),
                            new ByteArrayInputStream(bytes.toByteArray())));
        } catch (IOException e) {
            throw new ParquetDecodingException(
                    String.format("Could not read levels in page for col %s.", descriptor), e);
        }
    }

    /** Utility interface to abstract over different way to read ints with different encodings. */
    interface IntIterator {
        int nextInt();
    }

    /** Reading int from {@link ValuesReader}. */
    protected static final class ValuesReaderIntIterator implements IntIterator {
        ValuesReader delegate;

        public ValuesReaderIntIterator(ValuesReader delegate) {
            this.delegate = delegate;
        }

        @Override

View on GitHub (pinned to 2f3c205e92)

Solutions

1. Address the cause reported by the error message: Could not read levels in page for col the reported value.
2. Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry.

Example fix

Correct the condition described ("Could not read levels in page for col the reported value.") and rerun the job or command.

When it happens

Trigger: Triggered at runtime when the operation fails because: Could not read levels in page for col the reported value.

Common situations: Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Could not read levels in page for col the reported value.

AI-assisted analysis of apache/flink@2f3c205e92 (2026-08-14). Data as JSON: /api/errors/eb64e4d6015c6741. Report an issue: GitHub.