{"record":{"id":"643c18c4a185b2f9","repo":"apache/flink","slug":"error-reading-field-s-as-s","errorCode":null,"errorMessage":"Error reading field %s as %s","messagePattern":"Error reading field (.+?) as (.+?)","errorType":"exception","errorClass":"DeserializationException","httpStatus":null,"severity":"error","filePath":"flink-core/src/main/java/org/apache/flink/types/Record.java","lineNumber":374,"sourceCode":"    /**\n     * Deserializes the given object from the binary string, starting at the given position. If the\n     * deserialization asks for more that <code>limit - offset</code> bytes, than an exception is\n     * thrown.\n     *\n     * @param <T> The generic type of the value to be deserialized.\n     * @param target The object to deserialize the data into.\n     * @param offset The offset in the binary string.\n     * @param limit The limit in the binary string.\n     */\n    private <T extends Value> void deserialize(T target, int offset, int limit, int fieldNumber) {\n        final InternalDeSerializer serializer = this.serializer;\n        serializer.memory = this.binaryData;\n        serializer.position = offset;\n        serializer.end = limit;\n        try {\n            target.read(serializer);\n        } catch (Exception e) {\n            throw new DeserializationException(\n                    \"Error reading field \" + fieldNumber + \" as \" + target.getClass().getName(), e);\n        }\n    }\n\n    /**\n     * Sets the field at the given position to the given value. If the field position is larger or\n     * equal than the current number of fields in the record, than the record is expanded to host as\n     * many columns.\n     *\n     * <p>The value is kept as a reference in the record until the binary representation is\n     * synchronized. Until that point, all modifications to the value's object will change the value\n     * inside the record.\n     *\n     * <p>The binary representation is synchronized the latest when the record is emitted. It may be\n     * triggered manually at an earlier point, but it is generally not necessary and advisable.\n     * Because the synchronization triggers the serialization on all modified values, it may be an\n     * expensive operation.\n     *","sourceCodeStart":356,"sourceCodeEnd":392,"githubUrl":"https://github.com/apache/flink/blob/2f3c205e9266cb30240eb7f4fdab15cad629a70f/flink-core/src/main/java/org/apache/flink/types/Record.java#L356-L392","documentation":"Error \"Error reading field %s as %s\" thrown in apache/flink.","triggerScenarios":"Triggered at runtime when the operation fails because: Error reading field the reported value as the reported value.","commonSituations":"Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Error reading field the reported value as the reported value.","solutions":["Address the cause reported by the error message: Error reading field the reported value as the reported value","Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry."],"exampleFix":"Correct the condition described (\"Error reading field the reported value as 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"}