项目启起来了，但调不通？ about dubbo-proxy HOT 5 CLOSED

    private String[] getTypesFromMetadata(String application, String interfaze, String group, String version, String methodName, int paramLen) {
        MetadataIdentifier identifier = new MetadataIdentifier(interfaze, version, group, Constants.PROVIDER_SIDE, application);
        String metadata = metadataCollector.getProviderMetaData(identifier);
        FullServiceDefinition serviceDefinition = JSON.parseObject(metadata, FullServiceDefinition.class);
        List<MethodDefinition> methods  = serviceDefinition.getMethods();
        if (methods != null) {
            for (MethodDefinition m : methods) {
                if (Tool.sameMethod(m, methodName, paramLen)) {
                    return m.getParameterTypes();
                }
            }
        }
        return null;
    }