console/src/main/java/com/alibaba/nacos/console/controller/v3/naming/ConsoleServiceController.java [236:252]:
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    private Selector parseSelector(String selectorJsonString) throws Exception {
        if (StringUtils.isBlank(selectorJsonString)) {
            return new NoneSelector();
        }
        
        JsonNode selectorJson = JacksonUtils.toObj(URLDecoder.decode(selectorJsonString, "UTF-8"));
        String type = Optional.ofNullable(selectorJson.get("type")).orElseThrow(
                () -> new NacosApiException(NacosException.INVALID_PARAM, ErrorCode.SELECTOR_ERROR,
                        "not match any type of selector!")).asText();
        String expression = Optional.ofNullable(selectorJson.get("expression")).map(JsonNode::asText).orElse(null);
        Selector selector = selectorManager.parseSelector(type, expression);
        if (Objects.isNull(selector)) {
            throw new NacosApiException(NacosException.INVALID_PARAM, ErrorCode.SELECTOR_ERROR,
                    "not match any type of selector!");
        }
        return selector;
    }
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naming/src/main/java/com/alibaba/nacos/naming/controllers/v2/ServiceControllerV2.java [188:204]:
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    private Selector parseSelector(String selectorJsonString) throws Exception {
        if (StringUtils.isBlank(selectorJsonString)) {
            return new NoneSelector();
        }
        
        JsonNode selectorJson = JacksonUtils.toObj(URLDecoder.decode(selectorJsonString, "UTF-8"));
        String type = Optional.ofNullable(selectorJson.get("type")).orElseThrow(
                () -> new NacosApiException(NacosException.INVALID_PARAM, ErrorCode.SELECTOR_ERROR,
                        "not match any type of selector!")).asText();
        String expression = Optional.ofNullable(selectorJson.get("expression")).map(JsonNode::asText).orElse(null);
        Selector selector = selectorManager.parseSelector(type, expression);
        if (Objects.isNull(selector)) {
            throw new NacosApiException(NacosException.INVALID_PARAM, ErrorCode.SELECTOR_ERROR,
                    "not match any type of selector!");
        }
        return selector;
    }
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naming/src/main/java/com/alibaba/nacos/naming/controllers/v3/ServiceControllerV3.java [203:220]:
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    private Selector parseSelector(String selectorJsonString) throws Exception {
        if (StringUtils.isBlank(selectorJsonString)) {
            return new NoneSelector();
        }
        
        JsonNode selectorJson = JacksonUtils.toObj(URLDecoder.decode(selectorJsonString, "UTF-8"));
        String type = Optional.ofNullable(selectorJson.get("type")).orElseThrow(
                () -> new NacosApiException(NacosException.INVALID_PARAM, ErrorCode.SELECTOR_ERROR,
                        "not match any type of selector!")).asText();
        String expression = Optional.ofNullable(selectorJson.get("expression")).map(JsonNode::asText).orElse(null);
        Selector selector = selectorManager.parseSelector(type, expression);
        if (Objects.isNull(selector)) {
            throw new NacosApiException(NacosException.INVALID_PARAM, ErrorCode.SELECTOR_ERROR,
                    "not match any type of selector!");
        }
        
        return selector;
    }
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