{"record":{"id":"3250d21ad133dd5c","repo":"apache/flink","slug":"failed-to-deserialize-csv-row","errorCode":null,"errorMessage":"Failed to deserialize CSV row.","messagePattern":"Failed to deserialize CSV row\\.","errorType":"exception","errorClass":"IOException","httpStatus":null,"severity":"error","filePath":"flink-formats/flink-csv/src/main/java/org/apache/flink/formats/csv/RowCsvInputFormat.java","lineNumber":146,"sourceCode":"    }\n\n    @Override\n    public boolean reachedEnd() {\n        return end;\n    }\n\n    @Override\n    public Row nextRecord(Row record) throws IOException {\n        Row returnRecord = null;\n        do {\n            try {\n                JsonNode root = iterator.nextValue();\n                returnRecord = (Row) runtimeConverter.convert(root);\n            } catch (NoSuchElementException e) {\n                end = true;\n            } catch (Throwable t) {\n                if (!ignoreParseErrors) {\n                    throw new IOException(\"Failed to deserialize CSV row.\", t);\n                }\n            }\n        } while (returnRecord == null && !reachedEnd());\n\n        return returnRecord;\n    }\n\n    // --------------------------------------------------------------------------------------------\n\n    interface RuntimeConverter extends Serializable {\n        Object convert(JsonNode node);\n    }\n\n    private static RuntimeConverter createRowRuntimeConverter(\n            RowTypeInfo rowTypeInfo, boolean ignoreParseErrors, boolean isTopLevel) {\n        final TypeInformation<?>[] fieldTypes = rowTypeInfo.getFieldTypes();\n        final String[] fieldNames = rowTypeInfo.getFieldNames();\n","sourceCodeStart":128,"sourceCodeEnd":164,"githubUrl":"https://github.com/apache/flink/blob/2f3c205e9266cb30240eb7f4fdab15cad629a70f/flink-formats/flink-csv/src/main/java/org/apache/flink/formats/csv/RowCsvInputFormat.java#L128-L164","documentation":"Error \"Failed to deserialize CSV row.\" thrown in apache/flink.","triggerScenarios":"Triggered at runtime when the operation fails because: Failed to deserialize CSV row.","commonSituations":"Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Failed to deserialize CSV row.","solutions":["Address the cause reported by the error message: Failed to deserialize CSV row.","Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry."],"exampleFix":"Correct the condition described (\"Failed to deserialize CSV row.\") 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"}