### Environment

* Dubbo version: 2.7.3
* Operating System version: win 10
* Java version: 1.8

系统启动时报
Caused by: java.lang.IllegalArgumentException: Unsupported generic type false
	at org.apache.dubbo.config.ServiceConfig.setGeneric(ServiceConfig.java:1015)

这个错误只有在2.7.3的时候存在，在使用2.7.2的时候没有
}
    private void doExportUrlsFor1Protocol(ProtocolConfig protocolConfig, List<URL> registryURLs) {
        String name = protocolConfig.getName();
        if (StringUtils.isEmpty(name)) {
            name = DUBBO;
        }
        Map<String, String> map = new HashMap<String, String>();
        map.put(SIDE_KEY, PROVIDER_SIDE);
        appendRuntimeParameters(map);
        appendParameters(map, metrics);
        appendParameters(map, application);
        appendParameters(map, module);
        // 
        // 
        appendParameters(map, provider);
        appendParameters(map, protocolConfig);
        appendParameters(map, this);
        if (CollectionUtils.isNotEmpty(methods)) {
            for (MethodConfig method : methods) {
                appendParameters(map, method, method.getName());
                String retryKey = method.getName() + ".retry";
                if (map.containsKey(retryKey)) {
                    String retryValue = map.remove(retryKey);
                    if (Boolean.FALSE.toString().equals(retryValue)) {
                        map.put(method.getName() + ".retries", "0");
                    }
                }
                List<ArgumentConfig> arguments = method.getArguments();
                if (CollectionUtils.isNotEmpty(arguments)) {
                    for (ArgumentConfig argument : arguments) {