{"record":{"id":"2f5def95192efd77","repo":"apache/flink","slug":"unsupported-type-in-node","errorCode":null,"errorMessage":"Unsupported type '{}' in node: {}","messagePattern":"Unsupported type '(.+?)' in node: (.+?)","errorType":"validation","errorClass":"java.lang.IllegalArgumentException","httpStatus":null,"severity":"error","filePath":"flink-formats/flink-json/src/main/java/org/apache/flink/formats/json/JsonRowSchemaConverter.java","lineNumber":180,"sourceCode":"                            typeSet.add(Types.STRING);\n                        }\n                        break;\n                    case TYPE_NUMBER:\n                        typeSet.add(Types.BIG_DEC);\n                        break;\n                    case TYPE_INTEGER:\n                        // use BigDecimal for easier interoperability\n                        // without affecting the correctness of the result\n                        typeSet.add(Types.BIG_DEC);\n                        break;\n                    case TYPE_OBJECT:\n                        typeSet.add(convertObject(location, node, root));\n                        break;\n                    case TYPE_ARRAY:\n                        typeSet.add(convertArray(location, node, root));\n                        break;\n                    default:\n                        throw new IllegalArgumentException(\n                                \"Unsupported type '\"\n                                        + node.get(TYPE).asText()\n                                        + \"' in node: \"\n                                        + location);\n                }\n            }\n        }\n        // use TYPE of reference as fallback if present\n        else {\n            ref.filter(r -> r.has(TYPE))\n                    .ifPresent(r -> typeSet.add(convertType(node.get(REF).asText(), r, root)));\n        }\n\n        // simple interpretation of ONE_OF for supporting \"object or null\"\n        if (node.has(ONE_OF) && node.get(ONE_OF).isArray()) {\n            final TypeInformation<?>[] types =\n                    convertTypes(location + '/' + ONE_OF, node.get(ONE_OF), root);\n            typeSet.addAll(Arrays.asList(types));","sourceCodeStart":162,"sourceCodeEnd":198,"githubUrl":"https://github.com/apache/flink/blob/2f3c205e9266cb30240eb7f4fdab15cad629a70f/flink-formats/flink-json/src/main/java/org/apache/flink/formats/json/JsonRowSchemaConverter.java#L162-L198","documentation":"Error \"Unsupported type '{}' in node: {}\" thrown in apache/flink.","triggerScenarios":"Triggered at runtime when the operation fails because: Unsupported type 'the reported value' in node: the reported value.","commonSituations":"Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Unsupported type 'the reported value' in node: the reported value.","solutions":["Address the cause reported by the error message: Unsupported type 'the reported value' in node: the reported value","Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry."],"exampleFix":"Correct the condition described (\"Unsupported type 'the reported value' in node: 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"}