validate input

Signed-off-by: Sicheng Song <sicheng.song@outlook.com>

Author: b4sjoo

ml-algorithms/src/main/java/org/opensearch/ml/engine/algorithms/remote/ConnectorUtils.java

@@ -269,12 +269,14 @@ public static SdkHttpFullRequest signRequest(
     public static void validateSchema(String schemaString, String instanceString) {
         try {
             // parse the schema JSON as string
+            System.out.println(schemaString);
             JsonValue schemaJson = new JsonParser(schemaString).parse();
             // map the raw json to a reusable Schema instance
             Schema schema = new SchemaLoader(schemaJson).load();
             // create a validator instance for each validation (one-time use object)
             Validator validator = Validator.create(schema, new ValidatorConfig(FormatValidationPolicy.ALWAYS));
             // parse the input instance to validate against the schema
+            System.out.println(instanceString);
             JsonValue instance = new JsonParser(instanceString).parse();
             // run the validation
             ValidationFailure failure = validator.validate(instance);