{"record":{"id":"b7d1f4b9b0a235d5","repo":"apache/flink","slug":"could-not-decode-the-dictionary-for-s","errorCode":null,"errorMessage":"Could not decode the dictionary for %s","messagePattern":"Could not decode the dictionary for (.+?)","errorType":"exception","errorClass":"IOException","httpStatus":null,"severity":"error","filePath":"flink-formats/flink-parquet/src/main/java/org/apache/flink/formats/parquet/vector/reader/NestedPrimitiveColumnReader.java","lineNumber":141,"sourceCode":"        this.type = parquetType;\n        this.pageReader = pageReader;\n        this.maxDefLevel = descriptor.getMaxDefinitionLevel();\n        this.isUtcTimestamp = isUtcTimestamp;\n        this.logicalType = logicalType;\n\n        DictionaryPage dictionaryPage = pageReader.readDictionaryPage();\n        if (dictionaryPage != null) {\n            try {\n                this.dictionary =\n                        ParquetDataColumnReaderFactory.getDataColumnReaderByTypeOnDictionary(\n                                parquetType.asPrimitiveType(),\n                                dictionaryPage\n                                        .getEncoding()\n                                        .initDictionary(descriptor, dictionaryPage),\n                                isUtcTimestamp);\n                this.isCurrentPageDictionaryEncoded = true;\n            } catch (IOException e) {\n                throw new IOException(\n                        String.format(\"Could not decode the dictionary for %s\", descriptor), e);\n            }\n        } else {\n            this.dictionary = null;\n            this.isCurrentPageDictionaryEncoded = false;\n        }\n    }\n\n    // This won't call, will actually call readAndNewVector\n    @Override\n    public void readToVector(int readNumber, WritableColumnVector vector) throws IOException {\n        throw new UnsupportedOperationException(\"This function should no be called.\");\n    }\n\n    public WritableColumnVector readAndNewVector(int readNumber, WritableColumnVector vector)\n            throws IOException {\n        if (isFirstRow) {\n            if (!readValue()) {","sourceCodeStart":123,"sourceCodeEnd":159,"githubUrl":"https://github.com/apache/flink/blob/2f3c205e9266cb30240eb7f4fdab15cad629a70f/flink-formats/flink-parquet/src/main/java/org/apache/flink/formats/parquet/vector/reader/NestedPrimitiveColumnReader.java#L123-L159","documentation":"Error \"Could not decode the dictionary for %s\" thrown in apache/flink.","triggerScenarios":"Triggered at runtime when the operation fails because: Could not decode the dictionary for the reported value.","commonSituations":"Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Could not decode the dictionary for the reported value.","solutions":["Address the cause reported by the error message: Could not decode the dictionary for 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 decode the dictionary for 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"}