{"record":{"id":"490dcdcfad6d890e","repo":"apache/flink","slug":"error-in-data-type-serialization-s","errorCode":null,"errorMessage":"Error in data type serialization: %s","messagePattern":"Error in data type serialization: (.+?)","errorType":"exception","errorClass":"RuntimeException","httpStatus":null,"severity":"error","filePath":"flink-core/src/main/java/org/apache/flink/types/Record.java","lineNumber":1023,"sourceCode":"                            if (serializer.position >= serializer.memory.length - length - 1) {\n                                serializer.resize(length);\n                            }\n                            serializer.position += length;\n\n                        } else {\n                            // serialize modified fields\n                            this.writeFields[i].write(serializer);\n                        }\n                    } else {\n                        // bin-copy unmodified fields\n                        serializer.write(this.binaryData, co, this.lengths[i]);\n                    }\n\n                    this.lengths[i] = serializer.position - offset;\n                    offset = serializer.position;\n                }\n            } catch (Exception e) {\n                throw new RuntimeException(\n                        \"Error in data type serialization: \" + e.getMessage(), e);\n            }\n        }\n\n        serializeHeader(serializer, offsets, numFields);\n\n        // set the fields\n        this.switchBuffer = this.binaryData;\n        this.binaryData = serializer.memory;\n        this.binaryLen = serializer.position;\n        this.firstModifiedPos = Integer.MAX_VALUE;\n    }\n\n    private void serializeHeader(\n            final InternalDeSerializer serializer, final int[] offsets, final int numFields) {\n        try {\n            if (numFields > 0) {\n                int slp = serializer.position; // track the last position of the serializer","sourceCodeStart":1005,"sourceCodeEnd":1041,"githubUrl":"https://github.com/apache/flink/blob/2f3c205e9266cb30240eb7f4fdab15cad629a70f/flink-core/src/main/java/org/apache/flink/types/Record.java#L1005-L1041","documentation":"Error \"Error in data type serialization: %s\" thrown in apache/flink.","triggerScenarios":"Triggered at runtime when the operation fails because: Error in data type serialization: the reported value.","commonSituations":"Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Error in data type serialization: the reported value.","solutions":["Address the cause reported by the error message: Error in data type serialization: the reported value","Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry."],"exampleFix":"Correct the condition described (\"Error in data type serialization: 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"}