{"record":{"id":"eb64e4d6015c6741","repo":"apache/flink","slug":"could-not-read-levels-in-page-for-col-s","errorCode":null,"errorMessage":"Could not read levels in page for col %s.","messagePattern":"Could not read levels in page for col (.+?)\\.","errorType":"exception","errorClass":"ParquetDecodingException","httpStatus":null,"severity":"error","filePath":"flink-formats/flink-parquet/src/main/java/org/apache/flink/formats/parquet/vector/reader/NestedPrimitiveColumnReader.java","lineNumber":577,"sourceCode":"            initDataReader(\n                    page.getDataEncoding(), page.getData().toInputStream(), page.getValueCount());\n        } catch (IOException e) {\n            throw new ParquetDecodingException(\n                    String.format(\"Could not read page %s in col %s.\", page, descriptor), e);\n        }\n    }\n\n    private IntIterator newRLEIterator(int maxLevel, BytesInput bytes) {\n        try {\n            if (maxLevel == 0) {\n                return new NullIntIterator();\n            }\n            return new RLEIntIterator(\n                    new RunLengthBitPackingHybridDecoder(\n                            BytesUtils.getWidthFromMaxInt(maxLevel),\n                            new ByteArrayInputStream(bytes.toByteArray())));\n        } catch (IOException e) {\n            throw new ParquetDecodingException(\n                    String.format(\"Could not read levels in page for col %s.\", descriptor), e);\n        }\n    }\n\n    /** Utility interface to abstract over different way to read ints with different encodings. */\n    interface IntIterator {\n        int nextInt();\n    }\n\n    /** Reading int from {@link ValuesReader}. */\n    protected static final class ValuesReaderIntIterator implements IntIterator {\n        ValuesReader delegate;\n\n        public ValuesReaderIntIterator(ValuesReader delegate) {\n            this.delegate = delegate;\n        }\n\n        @Override","sourceCodeStart":559,"sourceCodeEnd":595,"githubUrl":"https://github.com/apache/flink/blob/2f3c205e9266cb30240eb7f4fdab15cad629a70f/flink-formats/flink-parquet/src/main/java/org/apache/flink/formats/parquet/vector/reader/NestedPrimitiveColumnReader.java#L559-L595","documentation":"Error \"Could not read levels in page for col %s.\" thrown in apache/flink.","triggerScenarios":"Triggered at runtime when the operation fails because: Could not read levels in page for col the reported value.","commonSituations":"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.","solutions":["Address the cause reported by the error message: Could not read levels in page for col the reported value.","Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry."],"exampleFix":"Correct the condition described (\"Could not read levels in page for col the reported value.\") and rerun the job or command.","handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"2f3c205e9266cb30240eb7f4fdab15cad629a70f","analyzedAt":"2026-08-14T08:48:24.518Z","schemaVersion":2},"datasetVersion":"2026-08-14T10:17:34.591Z"}